Moxa Technologies AWK-1121, AWK-1127 User Manual

AirWorks AWK-1121/1127 Use r’ s Manu al

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Second Edition, April 2014

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© 2014 Moxa Inc. All rights reserved.

Reproduction without permission is prohibited.

AirWorks AWK-1121/1127 User’s Manual

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Moxa Asia

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The software described in this manual is furnished under a license agreement and may be used only in accordance with

the terms of that agreement.

Copyright Notice

©2014 Moxa Inc. All rights reserved.

Trademarks

The MOXA logo is a registered trademark of Moxa Inc.

All other trademarks or registered marks in this manual belong to their res pec tive manufacturers.

Disclaimer

Information in this document is subject to cha nge witho ut no tic e and doe s no t repres e nt a commitme nt o n the par t of
Moxa.

Moxa provides this document as is, without warranty of any kind, either expressed or implied, including, but not limited
to, its particular purpose. Moxa reserves the rig ht to make improvements and/or changes to this manual, or to the
products and/or the programs described in this manual , at any time .

Information provided in this manual is intended to be accurate and reliable. However, Moxa assumes no responsibility for
its use, or for any infringements on the rights of third parties that m ay res ult fr om its use.

This product might include unintentional tec hnic a l o r typographical errors. Changes are periodically made to the
information herein to correct such errors, and these changes are incorporated into new editions of the publica tio n.

Technical Support Contact Information

www.moxa.com/support

-free: 1-888-669-2872
[phone]

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Table of Contents

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1. Introduction ...................................................................................................................................... 1-1

Overview ........................................................................................................................................... 1-2

Package Checklist ............................................................................................................................... 1-2

Product Features ................................................................................................................................ 1-2

Product Specifications ......................................................................................................................... 1-3

Functional Design ............................................................................................................................... 1-5

LED Indicators ............................................................................................................................ 1-5

Beeper ....................................................................................................................................... 1-5

Reset Button ............................................................................................................................... 1-6

2. Getting Star ted.................................................................................................................................. 2-1

First-time Installation and Configuration ................................................................................................ 2-2

Function Map ..................................................................................................................................... 2-4

3. Web Console Configuration ............................................................................................................... 3-1

Web Browser Configuration .................................................................................................................. 3-2

Overview ........................................................................................................................................... 3-3

Basic Settings .................................................................................................................................... 3-4

System Info Settings ................................................................................................................... 3-4

Network Settings ......................................................................................................................... 3-4

Time Settings ............................................................................................................................. 3-5

Wireless Settings ................................................................................................................................ 3-6

Operation Mode........................................................................................................................... 3-7

WLAN ........................................................................................................................................ 3-7

Advanced Settings ............................................................................................................................ 3-16

Packet Filters ............................................................................................................................ 3-17

SNMP Agent.............................................................................................................................. 3-19

Link Fault Pass-Through ............................................................................................................. 3-21

Serial Port Settings (AWK-1127 Only) ................................................................................................. 3-21

Operation Modes ....................................................................................................................... 3-22

Communication Parameters ........................................................................................................ 3-40

Data Buffering/Log .................................................................................................................... 3-42

Auto Warning Settings ....................................................................................................................... 3-42

System Log .............................................................................................................................. 3-43

Syslog ..................................................................................................................................... 3-44

E-mail ...................................................................................................................................... 3-45

Trap ........................................................................................................................................ 3-46

Status ............................................................................................................................................. 3-47

Wireless Status ......................................................................................................................... 3-47

System Log .............................................................................................................................. 3-48

Serial Data Log (AWK-1127 Only)................................................................................................ 3-48

Power Status ............................................................................................................................ 3-48

Maintenance .................................................................................................................................... 3-49

Console Settings ....................................................................................................................... 3-49

Ping ......................................................................................................................................... 3-49

Firmware Upgrade ..................................................................................................................... 3-50

Config Import/Export ................................................................................................................. 3-50

Loading Factory Defaults ............................................................................................................ 3-51

Password.................................................................................................................................. 3-51

Misc. Settings ........................................................................................................................... 3-52

Save Configuration ........................................................................................................................... 3-52

Restart ............................................................................................................................................ 3-53

Logout............................................................................................................................................. 3-53

4. Software Install at ion a nd C onf iguration ........................................................................................... 4-1

Overview ........................................................................................................................................... 4-2

AWK Search Utility .............................................................................................................................. 4-2

Installing AWK Search Utility ........................................................................................................ 4-2

Configuring the AWK Search Utility ................................................................................................ 4-4

OnCell Windows Driver Manager ........................................................................................................... 4-8

Installing OnCell Windows Drive r Manager ...................................................................................... 4-8

Using OnCell Windows Driver Manager ......................................................................................... 4-10

Moxa OnCell Linux Real TTY Driver ...................................................................................................... 4-15

Basic Procedure ........................................................................................................................ 4-15

Hardware Setup ........................................................................................................................ 4-15

Installing Linux Real TTY Driver Files ........................................................................................... 4-15

Mapping TTY Ports ..................................................................................................................... 4-16

Removing Mapped TTY Ports ....................................................................................................... 4-17

Removing Linux Driver Files ........................................................................................................ 4-17

Moxa OnCell UNIX Fixed TTY Driver .................................................................................................... 4-17

Installing the UNIX Driver........................................................................................................... 4-17

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Configuring the UNIX Driver ....................................................................................................... 4-18

5. Other Console Considerations ........................................................................................................... 5-1

RS-232 Console Configuration (115200, None, 8, 1, VT100) .................................................................... 5-2

Configuration by Telnet and SSH Consoles ............................................................................................. 5-3

Configuration by Web Browser with HTTPS/SSL ...................................................................................... 5-4

Disabling Telnet and Browser Acces s ..................................................................................................... 5-5

A. References ........................................................................................................................................ A-1

Fragment ........................................................................................................................................... A-2

RTS threshold .................................................................................................................................... A-2

B. Supporting Information .................................................................................................................... B-1

About This User’s Manual ..................................................................................................................... B-2

DoC (Declaration of Conformity) ........................................................................................................... B-3

Federal Communication Commission Interference Statement ............................................................ B-3

R&TTE Compliance Statement ....................................................................................................... B-3

Firmware Recovery ............................................................................................................................. B-4

1

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1. Introduction

The AirWorks AWK-1121/1127 enables wireless users to access network resources wirelessly. The
AWK-1121/1127 is rated to operate at temperatures ranging from 0 to 60°C for standard mode ls and -40 to
75°C for wide temperature models, and is rugged enough for any harsh industrial env ironment.

The following topics are covered in this chapter:

Overview

Package Checklist

Product Features

Functional Design

 LED Indicators
 Beeper
 Reset Button

AWK-1121/1127 Introduction

1-2

NOTE

The above items
customized version

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Overview

The AWK-1121/1127 Client is ideal for applications that are hard to wire, too expensive to wire, or use mobile
equipment that connects to a TCP/IP network. The AWK-1121/1127 can operate at temperatures ranging from
0 to 60°C for standard models and -40 to 75°C fo r wide temperature models , and is rug ged e nough for any
harsh industrial environment. Ins talla tio n is e asy , with eithe r DIN-Rail mounting or wall mounting in
distribution boxes. The DIN-Rail/wall mounting capability, wide operating temperature range, and IP30
housing with LED indicators make the AWK-1121/1127 a convenient yet reliable solution for any industrial
wireless application.

Package Checklist

Moxa’s AWK-1121/1127 is shipped with the following items. If any of these items is missing or damaged ,
please contact your customer service representative for assistan ce.

• AWK-1121/1127

• Swivel-type antenna (2dBi, RP-SMA, 2.4&5GHz)

• Quick Installation Guide

• Software CD

• Moxa Product Warranty Card

• Resistive terminator

• Protective cap

come with the standard AWK-1121/1127 model, but the package contents may vary for

s.

Product Features

• IEEE802.11a/b/g compliant

• Dedicated client

• Advanced wireless security:

 64-bit and 128-bit WEP/WPA/WPA2
 SSID Hiding/IEEE 802. 1X/RADIUS
 Packet access control & filtering

• Turbo Roaming enables rapid handover (client based)

• ABC-01 for configuration import/export

• Dedicated antenna selection

• Free firmware update for more advanced functions

• RS-232 console management

• Wide -40 to 75°C oper ating tempe rature range (-T model )

• Redundant 24 VDC power inputs or IEEE802.3af Power over Ethernet (PoE model)

• DIN-Rail or wall mounting

• IP30 protected high-strength metal housing

AWK-1121/1127 Introduction

1-3

WLAN Interface

Standards:

IEEE 802.11a/b/g for Wireless LAN
IEEE 802.11i for Wireless Security
IEEE 802.3u for 10/ 100BaseT(X)
IEEE 802.3af for Power

Spread Spectrum and Modulation

• DSSS with DBPSK, DQPSK, CCK

• OFDM with BPSK, QPSK, 16QAM, 64QAM

• 802.11b: CCK @ 11/5.5 Mbps, DQPSK @ 2 Mbps, DBPSK @ 11 Mbps

• 802.11a/g: 64QAM @ 54 /48 Mbps, 16QAM @ 36/24 Mbps, QPS K @ 18/12 Mbps, BPSK @ 9/6 Mbps

Operating Channels (centra

US:

2.412 to 2.462 GHz (11 channels)

5.18 to 5.24 GHz (4 channels)
EU:

2.412 to 2.472 GHz (13 channels)

5.18 to 5.24 GHz (4 channels)
JP:

2.412 to 2.472 GHz (13 channels, OFDM)

2.412 to 2.484 GHz (14 channels, DSSS)

5.18 to 5.24 GHz (4 ch

Security:

• SSID broadcast enable/disable

• Firewall for MAC/IP/Protocol/Po rt

• 64
AES)

Transmission Rates:

802.11b: 1, 2, 5.

802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54

TX Transmit Power:

802.11b:
Typ. 18±1.5 dBm @ 1 to 11 Mbps

802.11g:
Typ. 18±1.5 dBm @ 6 to 24 Mbps, T yp. 17±1.5 dBm @ 36 Mbps,Typ. 16± 1.5 dBm @ 48 Mbps, Ty p. 16±1.5
dBm @ 54 Mbps

802.11a:
Typ. 18±1.5 dBm @ 6 to 24 Mbps, Typ. 16±1.5 dBm @ 36 Mbps, Typ. 15±1.5 dBm @ 48 Mbps, Typ. 14±1.5
dBm @ 54 Mbps

RX Sensitivity:

802.11b:

-

802.11g:

-

802.11a:

-

Protocol Support

General Protocols:

Interface

Default Antenna:

Connector for External Antennas:

LAN Ports:

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Product Specifications

-over-Ethernet (PoE mod e l)
(typical):

l frequency):

annels for W52)

-based filtering

-bit and 128-bit WEP encryption, WPA /WPA2-Personal and Enterprise (IEEE 802.1X/RADIUS, TKIP and

5, 11 Mbps

Mbps

97 dBm @ 1 Mbps, -94 dBm @ 2 Mbps, -92 dBm @ 5.5 Mbps, -90 dBm @ 11 Mbps

88 dBm @ 6 to 24 Mbps, -85 dBm @ 36 Mbps, -75 dBm @ 48 Mbps, -70 dBm @ 54 Mbps

88 dBm @ 6 to 24 Mbps, -85 dBm @ 36 Mbps, -75 dB m @ 48 Mbps, -70 d Bm @ 54 Mb ps

1, 10/100BaseT(X), auto negotiation speed (R J45 -type)

DNS, HTTP, HTTPS, IP, ICMP, SNTP, TCP, UDP, RADIUS, SNMP, PPPoE, DHCP, LLDP

2 dBi dual-band omni-directional antenna, RP-SMA (male)

RP-SMA (female)

AWK-1121/1127 Introduction

1-4

Serial Port:

Console:

LED Indicators:

Weight:

Dimensions:

AWK
AWK

Installation:

Serial Communication Pa ra me te rs

Data Bits:

Stop Bits:

Parity:

Flow Control:

Baudrate:

Serial Data Log:

Serial Signals (AWK-1127 Only)

RS

RS

RS

RS

Environmental Limits

Operating Temperatur e:

Standard Models: 0 to 60°C (32 to 140°F)
Wide Temp. Models:

Storage Temperature:

Ambient Relative Humidity:

Power Requirements

Input

Ethernet (IEEE 802.3af

compliant

Connector:

Power Consumption:

•

• 0.

Reverse Polarity

Regulatory Approv a ls

Safety:

Radio:

EMC:

Note: Please check Moxa

Warranty

Warranty Period:

Details:

ATTENTION

•

1121/1127 is NOT a portable mobile device and should be located at least 20 cm away from the

•

trained technician should be enlisted to

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1, RS-232/422/485, DB9 male connector (AWK-1127 only)

RS-232 (RJ45-type)

PWR, FAULT, STATE, signal strength, WLAN, LAN

400 g (AWK-1121), 410 g (AWK -1127)

-1121: 50 x 115 x 70 mm (2.0 x 4.5 x 2.8 in)

-1127: 50 x 127 x 70 mm (2.0 x 5.0 x 2.8 in)
DIN-Rail mounting, wall mounting (with op tional kit)

(AWK-1127 Only)

5, 6, 7, 8
1, 1.5, 2

None, Even, Odd, Space, Mark

RTS/CTS, XON/XOFF

50 bps to 921.6 Kbps

256 KB

-232: DSR, RT S , G N D, TxD, RxD, DCD, CTS, DTR

-422: Tx+, Tx-, Rx+, Rx-, GND

-485 (2-wire): Data+, Data- and GND

-485 (4-wire): Tx+, Rx+, Tx-, Rx+ and GND

-40 to 75°C (-40 to 167°F)

-40 to 85°C (-40 to 185°F)
5% to 95% (non-condensing)

Voltage: 12 to 48 VDC, redundant dual DC power inputs or 48 VDC Power-over-

, PoE model only)

4-pin removable terminal block

0.16 to 0.55 A @ 12 to 48 VDC
28 A @ 24 VDC

Protection: Present

EN60950-1, UL60950-1

EN 300 328, EN 301 893, DSPR (Ja pan)

EN 301 489-1/-17, FCC Part 15, EN 55022/55024

’s website for the most up-to-date certification status.

5 years

See www.moxa.com/warranty

The AWK-

human body.

The AWK-1121/1127 is NOT designed for the general public. A well-

ensure safe deployment of AWK -1121/1127 units, and to establish a wireless network.

AWK-1121/1127 Introduction

1-5

ATTENTION

T
interval
uncontrollable
recover the

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Functional Design

LED Indicators

The LEDs on the front panel of the AWK-1121/1127 provide a quick and easy means of determining the current
operational status and wireless se ttings.

The FAULT LED indicates system failures and user-configured events. If the AWK-1121/1127 cannot retrieve
the IP addres s from a DHCP serve r or if there is an IP conflict, the FAULT LED will blink at one second intervals.
The SIGNAL LEDs indicate signal strength.

he FAULT, SIGNAL, STATE and WLAN LEDs lighting up simultaneously and blinking at one second

s indicates that the system has fai le d to boo t. This may be due to improper op eratio n o r an

factor, such as an unexpected shutdown dur ing f irmw are update. Instructions on how to

firmware can be found in Appendix B in the “Firmware Recovery” section.

Beeper

The beeper emits two short beeps when the system is ready.

AWK-1121/1127 Introduction

1-6

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Reset Button

The RESET button is located on the back panel of the AWK-1121/1127. You can reboot the AWK-1121/1127 or
reset it to factory default settings by press ing the RESET button with a pointed object such as an unfo lde d
paper clip.

• System reboot: Hold the RESET button down for under 5 seco nds a nd then rele a se.

• Reset to factory defaults: Hold the RESET button down for more than 5 seconds until the STATE LED
starts blinking green. Rele ase the button to reset the AWK-1121/1127.

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2

2. Getting Started

This chapter explains how to install Moxa’s AirWorks AWK-1121/1127 for the first time, and quickly set up your
wireless network and test whether the conne c tio n is running well. The function guide provide s a convenie nt
means of determining which functions you need to u s e.

The following topics are covered in this chapter:

First-time Installation and Conf iguration
Function Map

AWK-1121/1127 Getting Started

2-2

NOTE

After you
AWK

192.168.127.253

NOTE

Default user name and password:

For security reasons, we strongly recommend changing the default password. To do so,

Maintenance

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First-time Installation and Configuration

Before installing the AWK-1121/1127, make sure that all items in the Package Checklist are in the box. You will
need access to a notebook computer or PC equipped with an Ethernet port. The AWK-1121/1127 has a default
IP address that must be used when connecting to the devic e for the fir s t time.

• Step 1: Select the power source.
The AWK-1121/1127 may be powered by a DC power input or PoE (Power over Ethernet, PoE model only).

• Step 2: Connect the AWK-1121/1127 to a notebook or PC.
Since the AWK-1121/1127 supports MDI/MDI-X auto-sensing, either a straight-through or crossover cable
may be used to connect to a computer. The LAN port LED indicator will lig ht up whe n a connection is
established.

• Step 3: Set up the computer’s IP address.
Choose an IP address on the same subnet as the AWK-1121/1127. Since the AWK-1121/1127’s default IP
address is 192.168.127.253, and the subnet mask is 255.255.255.0, you should set the IP address of
the computer to 192.168.127.xxx.

• Step 4: Use the web-based manager to configure the AWK-1121/1127

select Maintenance  Load Factory Defaults and click the Activate button, the

-1121/1127 will be reset to factory default setting s and the IP address will be reset to
.

Open your computer’s web browser and type http://192.168.127.253 in the address field to access the
homepage of the web-based Network Manager. Before the homepage opens, you will need to enter the user
name and password as shown in the following figure. For first-time configuration, e nter the defa ult us er
name and password and then click on the Login button:

User Name: admin
Password: root

Password, and then follow the on-screen instructions to change the password.

select

AWK-1121/1127 Getting Started

2-3

NOTE

After you click

and a

blinking reminder will be shown on the upper

To

after you change the settings. About 30

seconds are needed for the

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activate the changes click Restart and then Save and Restart

• Step 5: Test communications.
The following section describes one test method that can be used to verify a network connection has been
established.

Submit to apply changes the web page will refresh (Updated) will appear on the page

-right corner of the web page:

AWK-1121/1127 to complete the reboot procedure.

Communication Testing

After installing the AWK-1121/1127 a simple test may be run against an AP to make sure the AWK-1121/1127
has properly established a wireless connection and is functioning normally. In the example below, an
AWK-3121 is used as the primary access point.

How to Test an AWK-1121/1127 for Network Connectivity

Connect an AP-configured AWK-3121 (or another access point) to Notebo ok A. Connect an AWK-1121/1127 to
Notebook B. Config ure the AWK-1121/1127 and AWK-3121 for the same SSID, and set their IP addresses as
below.

After setting up the testing environment, open a DOS window on notebook B. At the prompt, type:

ping <IP address of notebook A>

and then press Enter. A “Reply from IP address …” response means the communicatio n was succe ssful. A
“Request timed out” response means the communication failed. In this case, be sur e to first reche ck the
configuration to make sure the connectio ns are corre c t.

AWK-1121/1127 Getting Started

2-4

wireless

Note: These advanced functions a r e all optional.

oriented device management functions

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Function Map

Quick overview of the AWK-1121/1127’s
information

Basic settings for administering the
AWK-1121/1127

Essential settings related to establishing a
network

Advanced features to support additional network
management and secure wired and wireless
communication

Serial port settings to support add itional serial
to wireless connectivity

Note: These settings are only available for
AWK-1127

Application­to set up events, traps, and reactions via e-mail
and SNMP notification

Note: These functions are all optional.

Real-time status information for monitoring and
maintaining network performance, advanced
services, and device management functions.

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3

3. Web Console Configuration

In this chapter, we explain all aspects of web-based console configuration. Moxa’s easy-to-use management
functions help you set up your AWK-1121/1127 and make it ea sy t o establish and maintain your wireless
network.

The following topics are covered in this chapter:

Web Browser Configuration
Overview
Basic Settings

 System Info Settings
 Ne tw ork Settings
 Time Settings

Wireless Settings

 O p er ation Mode
 WLAN

Advanced Setting s

 Packet Filters
 S NMP Ag e nt
 Link Fault Pass-Through

Serial Port Settings (AWK-1127 Only)

 O p er ation Modes
 C o m munic a tio n Pa r amete rs
 D ata B uff eri ng /Log

Auto Warning Setti ng s

 System Log
 Syslog
 E-mail
 Trap

Status

 Wireless Status
 System Log
 S erial Data Log (AWK-1127 Only)
 Power Status

Maintenance

 Console Settings
 Ping
 Firmware Upgrade
 Config Import/Export
 Loading Factory Defaults
 Password
 Mis c . S e tting s

Save Configuration
Restart
Logout

AWK-1121/1127 Web Console Confi guration

3-2

NOTE

To use

s management and monitoring functions from a PC host connected to the same

LAN as

are on the same

logical subnet. Similarly, if

ings, you must make sure

your PC host is on the management VLAN.
The Moxa

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Web Browser Configuration

Moxa AWK-1121/1127’s web browser interface provides a conve nie nt way to modif y its co nf iguration and
access the built-in monitoring and network administration functions. The reco mme nde d web bro wse r is
Microsoft

®

Internet Explorer with JVM (Java Virtual Machi ne ) installed .

1. Open your web browser (e.g., Internet Explorer) and type the AWK-1121/1127’s IP address in the address

2. The Web Console Login page will open. Enter the password (default Username = admin; default Password

the AWK-1121/1127’
the AWK-1121/1127, you must make sure that the PC host and the AWK-1121/1127

the AWK-1121/1127 is configured for other VLAN sett

AWK-1121/1127’s default IP is 192.168.127.253.

Follow these steps to access the AWK-1121/1127’s web-based console management interface.

field. Press Enter to establish the conne c tion.

= root) and then click Login to continue.

3. You may need to wait a few moments for the web page to download to your computer. Note that the Model
name and IP address of your AWK-1121/1127 are both shown in the title bar of the web page. This
information can be used to help you identify multiple AWK-1121/1127 units.

4. Use the menu tree on the left side of the window to open the functi o n pages to acce ss each of the
AWK-1121/1127’s functions.

AWK-1121/1127 Web Console Confi guration

3-3

NOTE

The model name of
code. The country code

AWK

appears

NOTE

For security reasons, you will need to log back into the

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In the following paragraphs, we describe each AWK-1121/1127 management function in detail. A quick
overview is available in this manual in the “Function Map” section of Chapter 2.

-1121/1127-EU as an example in the following figures. (The country code and model name that
on your computer screen may be different than the one shown here.)

Overview

The Overview page summarizes the AWK-1121/1127’s current status. The information is categoriz ed into
several groups: System Info, Device Info, and 802.11 Info.

the AWK-1121/1127 is shown as AWK-1121/1127-XX, where XX indicates the country

indicates the AWK-1121/1127 version and which bandwidth it uses. We use

AWK-1121/1127 after a 5-minute time-out.

Click on SSID for more detailed 802.11 information, as shown in the following fig ure.

AWK-1121/1127 Web Console Confi guration

3-4

_<Serial

information about whom to contact in order to resolve

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Basic Settings

The Basic Settings group includes the most commonly used settings required by administrators to maintain and
control the AWK-1121/1127.

System Info Settings

System Info labels (especially Device name) are display ed and included on the Overview page, in SNMP

information, and in alarm emails. Giving descriptive, unique labels to items under System Info makes it easier
to identify the different AWK-1121/1127 units connected to your network.

Device name

Setting Description Factory Defa ult

Max. 31 of characters This option is useful for specifying the role or application of

different AWK-1121/1127 units.

AWK-1121/1127
No. of this
AWK-1121/1127>

Device location

Setting Description Factory Defa ult

Max. of 31 characters Specifies the location of different AWK-1121/1127 units. None

Device description

Setting Description Factory Defa ult

Max. of 31 characters Use this space to record a more detailed description of the

Device contact information

Setting Description Factory Defa ult

Max. of 31 characters Provides

Network Settings

The Network Settings configuration panel allo ws yo u to modify the usual TCP/IP network parameters. An
explanation of each configuration item is given bel o w .

None

AWK-1121/1127

None
problems. Use this space to record contact informati o n of the
person responsible for maintaining this AWK-1121/1127.

AWK-1121/1127 Web Console Confi guration

3-5

Setting

Description

Factory Defa ult

is

LAN to an outside

your network. After

s address field instead of entering the IP address. The

NOTE

The

Local time

network does not have an Internet connection for

NTP server or there is no NTP server on the

LAN.

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IP configuration

Setting Description Factory Defa ult

DHCP The AWK-1121/1127’s IP address will be assigned

automatically by the network’s DHCP server

Static Set up the AWK-1121/1127’s IP address manually.

IP address

Setting Description Factory Defa ult

AWK-1121/1127’s IP
address

Subnet mask

Identifies the AWK-1121/1127 o n a TCP/IP network. 192.168.127.253

Static

AWK-1121/1127’s
subnet mask

Gateway

Setting Description Factory Defa ult

AWK-1121/1127’s
default gateway

Primary/ Seco n d ar y DN S server

Setting Description Factory Defa ult

IP address of the
Primary/Secondary
DNS server

Time Settings

The AWK-1121/1127 has a time calibration function based on information from an NTP server or user specified
Date and Time information. Functions such as Auto warning c an add real-time inf or m ation to the message.

Identifies the type of network to which the AWK-1121/1127
connected (e.g., 255.255.0.0 for a Class B network, or

255.255.255.0 for a Class C network).

The IP address of the router that connects the
network.

The IP address of the DN S Server used by
entering the DNS Server’s IP address, you can input the
AWK-1121/1127’s URL (e.g., http://ap11.abc.com) in your
browser’
Secondary DNS server will be used if the Primary DNS server
fails to connect.

255.255.255.0

None

None

The Current local time shows the AWK-1121/1127’s system time when you open this web page. You can click
on the Set Time button to activate the updated date and time parameters. An “(Updated)” string will appear
to indicate that the change is complete. Local time settings will be immediately activated in the system without
running Save and Restart.

AWK-1121/1127 has a built-in real time clock (RTC). We strongly recommend that users update the

for the AWK-1121/1127 after the initial setup or a long-term shutdow n, esp e c ially w he n the

accessing the

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3-6

GMT (Greenwich

ATTENTION

Changing the time zone will automatically

zone

the summer

the time is updated from

NOTE

Although it is more convenient to use dynamic bridging, there is a limitation

AP Client can only transmit

IP

of traffic

(such as IPX and AppleTalk) are not forwarded.

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Current local time

Setting Description Factory Defa ult

User adjustable time The date and time parameters allow configuration of the local

time, with immediate activation.
Use 24-hour format: yyyy/mm/dd hh:mm:ss

Time zone

Setting Description Factory Defa ult

User selectable time
zone

The time zone setting allows conversion from
Mean Time) to local time.

None

GMT (Greenwich

Mean Time)

before setting the Current local time.

Daylight saving time

Setting Description Factory Defa ult

Enable/Disable Daylight saving time (also know as DST or summer time)

involves advancing clocks (usually 1 hour) during
time to provide an extra hour of daylight in the afternoon.

When Daylight saving time is enabled, the following parameters will be shown:

• Starts at: The date that daylight sav ing time be g ins .

• Stops at: The date that daylight saving time ends.

• Time offset: Indicates how many hours forward the clock should be advanced.

Time server 1/2

Setting Description Factory Defa ult

IP/Name of Time
Server 1/2

Query period

Setting Description Factory Defa ult

Query period time
(1 to 9999 seconds)

IP or Domain name of the NTP time server. The 2nd NTP server
will be used if the 1st NTP server fails to connect.

This parameter deter mines h ow often
the NTP server.

adjust the Current local time. You should configure the Time

Disabled

time.nist.gov

600 (seconds)

Wireless Settings

The essential settings for wi reless networks are presented in this function group. Settings must be properly set
before establishing your wireless network. Familiarize yourself with the following terms before starting the
configuration process:

The AWK-1121/1127 as a client can b e used as an Etherne t-to-wir e le s s (or LAN-to-WLA N) netw or k ad apter.
For example, a notebook computer equipped with an Ethernet adaptor but no wireless card can be connected
to this device with an Ethernet cable to provide wireless connectivity to another AP.

-based packets betwee n its wirel e s s interf ac e (WLAN) and Ethernet interface (LAN); other types

—the

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Operation Mode

The AWK-1121/1127 is a dedicated WLAN client, so its only operation mode is client. Other client-based
operation modes may be added in the future firmware releases.

Wireless Enable

Setting Description Factory Defa ult

Enable/Disable The RF (Radio Frequency) module can be manually turned on or

off.

Enable

Operation Mode

Setting Description Factory Defa ult

Client The AWK-1121/1127 only operates as a wireless client. Client

WLAN

Basic Wireless Settings

The “WLAN Basic Setting Selection” panel is used to edit SSIDs and set the RF type. T he RF type selection will
configure the AWK-1121/1127 to either the 2.4GHz or 5GH z frequency band. An SSID is a unique identifier that
wireless networking devices use to establish and maintain wireless connectivity. Set the SSID parame ter to
match that of the APs you wish to connect to, so that the AWK-1121/1127 will associate with network defined
by the SSID.

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3-8

NOTE

Click the “Site Survey” button to view information about available APs, as

If this
client is connecting to an AP, a brief disconnection will occur during site survey. You can click on the SSID of an
entity and bring the value

Click

for the client and AP

to be able to communicate with each other.

NOTE

The
SSIDs,

EU (for European

frequency bands) only connects

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of its SSID onto the SSID field of the Basic Wirele s s Se tting s page .

the Refresh button to re-s c an and update the table.

shown in the following figure.

RF type

Setting Description Factory Defa ult

A Supports IEEE 802.11a standard only B/G Mixed
B Supports IEEE802.11b standard only
G Supports IEEE802.11g standard only
B/G Mixed Supports both of IEEE802.11b/g standards, but 802.11g can be

slowed down when 802.11b clients are on the network

SSID

Setting Description Factory Def a ult

Max. of 31 characters The SSID must be identical to the target AP

AWK-1121/1127-JP (for Japanese freq uency ba nds) connects o nl y APs wi th broadcast (i.e: not hidden)

in all IEEE802.11a channels and IEEE802.11g channels 1 to 11. The AWK-1121/1127-

APs with hidden SSIDs in all IEEE802.11b /g channe l s .

MOXA

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WLAN Security Settings

The AWK-1121/1127 provides four standardized wireless security modes: Open, WEP (Wired Equivalent
Privacy), WPA (Wi-Fi Protected Access), and WPA2. Several security modes are availab l e in the
AWK-1121/1127 by selecting Security mode and WPA type:

• Open: No authentication, no data encryptio n.

• WEP: Static WEP (Wired Equivalent Privacy) keys must be configured manually.

• WPA/WPA2-Personal: Also known as WPA/WPA2-PSK. You will need to specify the Pre-Shared Key in the
Passphrase field, which will be used by the TKIP or AES engine as a master key to generate keys that
actually encrypt outgoing packets and decryp t inc oming packets.

• WPA/WPA2-Enterprise: Also called WPA/WPA2-EAP (Extensible Authentication Protocol). In addition to
device-bas ed authe ntic ati o n, WPA /W PA 2-Enterprise enables user-based authentic ation via IEEE802.1X.
The AWK-1121/1127 can support three EAP methods: EAP-TLS, EAP-TTLS, and EAP-PEAP.

Security mode

Setting Description Factory Defa ult

Open No authentication Open
WEP Static WEP is used
WPA Fully supports IEEE802.11i with “TKIP/AES + 802.1X”
WPA2 Fully supports IEEE802.11i with “TKIP/AES + 802.1X”

Open

For security reasons, you should NOT set security mode to Open (or “Open System”), since authentication and
data encryption are NOT performed in Open (or “Open System” ) mode.

WEP

According to the IEEE802.11 standard , WEP can be used for authenticat i o n and data encryption to maintain
confidentiality. Shared (or Shared Key) authentication type is used if WEP authentication and data encryption
are both needed. Normally, Open (or Open System) authentication type is used when WEP data encryption is
run with authentication.

When WEP is enabled as a security mode, the length of a key (so-called WEP seed) can be specified as 64/128
bits, which is actually a 40/104-bit secret key with a 24-bit initialization vector. The AWK-1121/1127 provides
4 entities of WEP key settings that can be selected to use with Key index. The select ed key sett ing specifies the
key to be used as a send-key for encrypting traffic from the AP side to the wireless client side. All 4 WEP keys
are used as receive-keys to decrypt traffic from the wireless client side to the AP side.

The WEP key can be presented in two Key types, HEX and ASCII. Each ASCII character has 8 bits, so a 40-bit
(or 64-bit) WEP key contains 5 charac ter s , and a 104-bit (or 128-bit) key has 13 characters. In hex, each
character uses 4 bits, so a 40-bit key has 10 hex characters, and a 104-bit key has 26 hex characters.

AWK-1121/1127 Web Console Confi guration

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RC4 encryption

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Authentication type

Setting Description Factory Defa ult

Open Data encryption is enabled, but without authentication Open
Shared Data encryption and authentication are both e nabled.

Key type

Setting Description Factory Defa ult

HEX Specifies WEP keys in hex-decimal numb e r form HEX
ASCII Specifies WEP keys in ASCII form

Key length

Setting Description Factory Defa ult

64 bits Uses 40-bit secret keys with 24-bit initialization vector 64 bits
128 bits Uses 104-bit secret key with 24-bit initialization vector

Key index

Setting Description Factory Defa ult

1-4 Specifies which WEP key is used 1

WEP key 1-4

Setting Description Factory Defa ult

ASCII type:
64 bits: 5 chars
128 bits: 13chars
HEX type:
64 bits: 10 hex chars
128 bits: 26 hex chars

A string that can be us ed as a WE P seed for the
engine.

None

WPA/WPA2-Personal

WPA (Wi-Fi Protected Access) and WPA2 represent significant improvements over the WEP encryption method.
WPA is a security standard based on 802.11i draft 3, while WPA2 is based on the fully ratified version of 802.11i.
The initial vector is transmitted, encrypted, and enhanced with its 48 bits, twice as long as WEP. The key is
regularly changed so that true session is secur ed.

Even though AES encryption is only include d in the WPA2 s tandar d, it is widely available in the WPA security
mode of some wireless APs and clients as well. The AWK-1121/1127 also supports AES algorithms in WPA and
WPA2 for better compatibility.

Personal versions of WPA/WPA2, also known a s WPA/WPA -PSK (Pre-Shared Key), provide a simple way of
encrypting a wireless connection for high confidentiality. A Passphrase is used as a basis for encryption
methods (or cipher types) in a WLAN connection. The passphrases should be complicated and as long as
possible. There must be at least 8of ASCII characters in the Passphrase, and it could go up to 63. For security
reasons, this p assp hras e sho uld only be disclosed to users who need it, and it should be changed regularly.

AWK-1121/1127 Web Console Confi guration

3-11

TKIP

Temporal Key Integrity Protocol is enable d

802.1X, which is much more commonly implemented.

Setting

Description

Factory Defa ult

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WPA type

Setting Description Factory Defa ult

Personal Provides Pre-Shared Key-enabled WPA and WPA2 Personal
Enterprise Provides enterprise-level sec urity for WPA and WPA2

Encryption method

Setting Description Factory Defa ult

TKIP

AES Ad vance Encryption System is enabled

EAPOL Version

Setting Description Factory Defa ult

1 EAPOL version 1 was standardized in the 2001 version of

1

2 EAPOL version 2 was specified in 802.1X-2004.

Passphrase

Setting Description Factory Defa ult

8 to 63 characters Master key to generate keys for encryptio n and decryption None

WPA/WPA2-Enterprise

When used as a client, the AWK-1121/1127 can support three EAP methods (or EAP protocols): EAP-TLS,
EAP-TTLS, and EAP-PEAP, corresponding to WPA/WPA2-Enterp rise settings on the AP side.

EAP Protocol

TLS Specifies Transport Layer Security protocol TLS
TTLS Specifies Tunneled Transport Layer Security
PEAP Specifies Protected Extensible Authentication Protocol, or

Protected EAP

Before choosing the EAP protocol for your WPA/WPA2-Enterpise settings on the client end, please contact the
network administrator to make sure the system supports the protocol on the AP end. Detailed information on
these three popular EAP protocols is presented in the fo llo wing sections.

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EAP-TLS

TLS is the standards-based successor to Secure Sock et La ye r (SSL ). It can establish a trusted communication
channel over a distrusted network. TLS provides mutual authentication through certificate exchange. EAP-TLS
is also secure t o use. You are required to submit a digital certificate to the authentication server for validation,
but the authentication server must also supply a certificate.

You can use Basic Wireless Settings  WLAN Certificate Settings to import your W LAN certificate and
enable EAP-TLS on the client end.

• Certificate issued to: Shows the certificate user

• Certificate issued by: Shows the certificate issuer

• Certificate expiration date: Indicates when the certificate has expired

EAP-TTLS

It is usually much easier to re-use existing authenticatio n s ystems, such as a Windows domain or Active
Directory, LDAP directory, or Kerberos realm, rather than creating a parallel authentication system. As a result,
TTLS (Tunneled TLS) and PEAP (Protected EAP) are used to support the use of so-called “legacy authentication
methods.”

TTLS and PEAP work in a similar way. First, they establish a TLS tunnel (EAP-TLS for example), and validate
whether the network is trustworthy with digital certificates on the authentication server. This step establishes
a tunnel that protects the next step (or “inner” authentication), and consequently is sometimes referred to as
“outer” authentication. The TLS tunnel is then used to encrypt an older authentication protocol that
authenticates the user for the network.

As you can see, digital certificates are still need ed for outer authentication in a simplified form. Only a small
number of certificates are required, which can be generated by a small certificate authority. Certificate
reduction makes TTLS and PEAP much more popular than EAP-TLS.

The AWK-1121/1127 provides some non-cryptographic EAP methods, including PAP, CHAP, MS-CHAP, and
MS-CHAP-V2. These EAP methods are not recommended for direct use on wireless networks. However, they
may be useful as inner authentication method s with TTL S and PEAP.

Because the inner and outer authentications can use distinc t us e r name s in TTLS and PEAP, you can use an
anonymous user name for the outer authentication, with the true user name only shown through the encrypted
channel. Keep in mind that not all client software supports anonymous alteration. Confirm this with the network
administrator before you enable identity hiding in TTLS and PEAP.

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TTLS Inner Authentication

Setting Description Factory Defa ult

PAP Password Authentication Protocol is used MS-CHAP-V2
CHAP Challeng e Hand s hake Authe ntic ati o n Protocol is used
MS-CHAP Microsoft CHAP is used
MS-CHAP-V2 Microsoft CHAP version 2 is used

Anonymous

Setting Description Factory Defa ult

Max. of 31 characters A distinct name used for outer authentication None

User name & Password

Setting Description Factory Defa ult

User name and password used in inner authentication None

PEAP

There are a few differences in the TTLS and PEAP inner authentication procedures. TTLS uses the encrypted
channel to exchange attribute-value pairs (AVPs), while PEAP uses the encrypted channel to start a second EAP
exchange inside of the tunnel. The AWK-1121/1127 provides MS-CHAP-V2 merely as an EAP method for inner
authentication.

AWK-1121/1127 Web Console Confi guration

3-14

Setting

Description

Factory Defa ult

Setting

Description

Factory Defa ult

NOTE

Transmission power

However, the

country,

regulatory limitations

Wireless Status

for

Setting

Description

Factory Defa ult

splitting and

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Inner EAP protocol

Setting Description Factory Defa ult

MS-CHAP-V2 Microsoft CHAP version 2 is used MS-CHAP-V2

Anonymous

Setting Description Factory Defa ult

Max. of 31 characters A distinct name used for outer authentication None

User name & Password

Setting Description Factory Defa ult

User name and password used in inner authentication None

Advanced Wireless Settings

Additional wireless-related parameters are presented in this section to help you set up your wireless network
in detail.

Transmission Rate

Auto The AWK-1121/1127 senses and adjusts the data rate

automatically

Available rates Users can manually s e lect a targ e t trans mi s s io n data rate

Transmission Power

0 – 20 dBm The maximum power which the AWK may use for transmission 10 dBm

actual transmitted power depends on the radio module and other factors, such as the

the actual value of the transmission power that the AWK is currently using.

Fragmentation thr e s hol d

Fragment Length
(256 to 2346)

indicates the maximum value of transmission power which the user plans to use .

, and data rate. Please check the Transmission power in Status >

Specifies the maximum size a data packet before
creating another new packet

Auto

2346

AWK-1121/1127 Web Console Confi guration

3-15

etermines how large a packet can be before the Access Point

NOTE

Y
settings. By setting these parameters properly, you can better tune the performance of your wireless network.

WMM is a QoS standard for WLAN traffic. Voice and video data

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RTS threshold

Setting Description Factory Defa ult

RTS/CTS Threshold
(256 to 2346)

ou can refer to the related glossaries in Appendix A for detailed information about the abov e -mentioned

Noise protection

Setting Description Factory Defa ult

Enable/Disable Adjusts the interference coping capability of the wireless signal.

Antenna

Setting Description Factory Defa ult

MAIN The MAIN antenna is used for wireless communication. Main
AUX The AUX antenna is used for wireless communication.

D
coordinates transmission and reception to ensure efficient
communication

This option should be enabled for communicatio n d is tanc e
under 500 meters, and should be disabled for communication
distances over 500 meters.

2346

Disable

Note: For installation flexibility, either the MAIN antenna (on the front panel) or the AUX antenna (on the top
panel) may be selected for use. Make sure the antenna connection matches the ante nna co nf i g ure d in the
AWK-1121/1127 interface.

To protect the connectors and RF module, all radio ports should be terminated by either an antenna or a
terminator. The use of the resistive terminator for term inating the unused antenna port is strongly
recommended.

WMM

Setting Description Factory Defa ult

Enable/Disable

will be given priority bandwidth when enabl e d with WMM
supported wireless clients.

Turbo Roaming

Setting Description Factory Defa ult

Enable/Disable Moxa’s Turbo Roaming can enable rapid handover when the

AWK-1121/1127, as a client, roams among a group of APs.

When Turbo Roaming is enabled, the RF type, AP alive check, and Scan channels will be shown as follows. RF
type shows the current RF type that this client is using. AP alive check will check if the AP connection is still
available. When this function is enabled, a check will be done every 10 ms. You can set up Scan c hanne ls for
the APs among which this client is going to roam. There are three Scan channels available. Note that the Scan

channels may need to be modified when the RF type is changed. (For example, channel 36 is not available in
B, G, or B/G Mix mode.)

Disable

Disable

AWK-1121/1127 Web Console Confi guration

3-16

NOTE

The WLAN certificate will

, it can still be

seen on

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WLAN Certification Settings

When EAP-TLS is used, a WLAN Certificate will be required at the client end to support WPA/WPA2-Enterprise.
The AWK-1121/1127 can support the PKCS #12, also known as Personal Information Exc hange Syntax
Standard, certificate formats that define file formats commonly used to store private keys with accompanying
public key certificates, protected with a password-based symmetric key.

Current Status displays information for the current WLAN certificate, which has been imported into the
AWK-1121/1127. Nothing will be shown if a certificate is not available.

Certificate issued to: Shows the certificate user
Certificate issued by: Shows the certificate issuer
Certificate expiration date: Indicates when the certificate has expired

You can import a new WLAN certificate in Import WLAN Certificate by following these steps, in order:

1. Input the correspo nding password (or key) in the Certificate private password field and then click
Submit to set the password.

2. The password will be displayed in the Certificate pr ivate p assword f ie ld. Click on the Browse button in
Select certificat e/key file and select the certificate file.

3. Click Upload Certificate File to import the certificate file. If the import succeeds, you can see the
information uploaded in Current status. If it fails, you may need to return to step 1 to set the password
correctly and then import the certific ate fil e again.

Advanced Settings

remain after the AWK-1121/1127 reboots. Even though it is expired

the Current status.

Several advanced functions are available to increase the functionality of your AWK-1121/1127 and wireless
network system. The DHCP server helps you deploy wireless clients efficiently. Packet filters provide security
mechanisms, such as firewalls, in different netwo rk laye rs . Moreover, the AWK-1121/1127 s upports SNMP,
making network management easier.

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ATTENTION

Be careful when you enable the filter function:

Drop
Accept

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Packet Filters

The AWK-1121/1127 includes various filters for IP-based packets going through LAN and WLAN interfaces.
You can set these filters as a firewall to help enhance network security.

MAC Filter

The AWK-1121/1127’s MAC filter is a policy-based filter that can allo w or filte r o ut IP-based packets with
specified MAC addresses. The AWK-1121/1127 provides 8 entities for setting MAC addresses in your filtering
policy. Remember to check the Active check box for each entity to activate the setting.

Enable

Setting Description Factory Defa ult

Enable Enables MAC filter Disable
Disable Disables MAC filter

Policy

Setting Description Factory Defa ult

Accept Only the packe ts f itting the entities on list can be allowed. Drop
Drop Any packet fitting the e ntitie s on list w i ll be denie d.

+ “no entity on list is activated” = all packets are allowed

+ “no entity on list is activated” = all packets are denied

IP Protocol Filter

The AWK-1121/1127’s IP protocol filter is a policy-based filter that can allow or filter out IP-based packets with
specified IP protocol and source/destination IP addresses.

The AWK-1121/1127 provides 8 entities for setting IP protocol and source/destination IP addresses in your
filtering policy. Four IP protocols are available: All, ICMP, TCP, and UDP. You must specify either the Source
IP or the Destination IP. By combining IP addresses and ne tmasks, you can specify a single IP address or a
range of IP addresses to accept or drop. For example, “IP address 192.16 8.1.1, netmask 255. 255.255.255”
refers to a sole IP address, while “IP address 192.16 8.1.1, netmask 255. 255.255.0” refers to the range of IP
addresses from 19 2.168.1.1 to 192. 168.254. Remember to check the Active chec k box for each entity to
activate the setting.

AWK-1121/1127 Web Console Confi guration

3-18

Accept

Only the packets fitting the entities on the list can be allowed

ATTENTION

Be careful when you enable the filter function:

Drop
Accept

Accept

Only the packets fitting the entities on list c an be allowed.

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Enable

Setting Description Factory Defa ult

Enable Enables IP protocol filter Disable
Disable Disables IP protocol filter

Policy

Setting Description Factory Defa ult

Drop

Drop Any packet fitting the entities on the list will be denied

+ “no entity on list is activated” = all packets are allowed.

+ “no entity on list is activated” = all packets are denied.

TCP/UDP Port Filter

The AWK-1121/1127’s TCP/UDP port filter is a policy-based filter that can allow or filter out TCP/UDP-based
packets with a specified source or destination port.

The AWK-1121/1127 provides 8 entities for setting the range of source/destination ports of a specific protocol.
In addition to selecting TCP or UDP protocol, you can set either the source port, destination port, or both. The
end port can be left empty if only a single port is specified. Of course, the end port cannot be larger then the
start port.

The Application name is a text string that describes the corresponding entity with up to 31 characters.
Remember to check the Active check box for each entity to activate the setting.

Enable

Setting Description Factory Defa ult

Enable Enables TCP/UDP port filter Disable
Disable Disables TCP/UDP port filter

Policy

Setting Description Factory Defa ult

Drop Any packe t fitting the e ntitie s on list w i ll be denie d.

Drop

AWK-1121/1127 Web Console Confi guration

3-19

ATTENTION

Be careful when you

Drop
Accept

or

or

MD5

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+ “no entity on list is activated” = all packets are allowed

+ “no entity on list is activated” = all packets are denied

SNMP Agent

The AWK-1121/1127 suppor ts SN MP V1/V2 c /V3 . SNMP V1 and SNMP V2c use a community s tring matc h for
authentication, which means that SNMP ser vers acce s s all obj e c ts with rea d-only or read/write permissions
using the community string public/private (default value). SNMP V3, which requires you to select an
authentication level of MD5 or SHA, is the most secure protocol. You can also enable data encryption to
enhance data security.

The AWK-1121/1127’s MIB can be found in the softw are CD and suppor ts reading the attributes via SNMP.
(Only get m e thod is suppor ted .)

SNMP security modes and security levels supported by the AWK-1121/1127 are shown in the following table.
Select the security mode and level that will be used to communicate be tw een the SNMP agent and manag er .

Protocol

Version

SNMP

V1, V2c

SNMP V3

enable the filter function:

Setting on

UI web page

V1, V2c

Read

Community

V1, V2c
Write/Read
Community

No-Auth No No

MD5 or SHA

MD5 or SHA

Authentication

Type

Community

string

Community

string

Authentication

based on MD5

SHA

Authentication

based on MD5

SHA

Data

Encryption

No

No

No

Yes

Method

Use a community string match for
authentication

Use a community string match for
authentication

Use account with admin or user to access
objects
Provides authentication based on
HMAC-MD5, or HMAC-SHA algorithms.
8-character passwords are the minimum
requirement for authentication.
Provides authentication based on HMAC­or HMAC-SHA algorithms, and data
encryption key. 8-character passwords and a
data encryption key are the minimum
requirements for authentication and
encryption.

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agent

agent

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The following parameters can be configured on the SNMP Agent page. A more detailed explanation of each
parameter is given below the following figure.

Enable

Setting Description Factory Defa ult

Enable Enables SNMP Agent Disable
Disable Disables SNMP Agent

Remote Management

Setting Description Factory Def a ult

Enable Allow remote management via SNMP agent Disable
Disable Disallow remote management via SNMP agent

Read community (for V1, V2c)

Setting Description Factory Defa ult

V1, V2c Read
Community

Write community (for V1, V2c)

Setting Description Factory Default

V1, V2c Read /Write
Community

SNMP agent version

Setting Description Factory Defa ult

V1, V2c, V3, or
V1, V2c, or
V3 only

Use a community string match with a maximum of 31
characters for authentication. This means that the SNMP
can access all objects with read-only permissions using this
community string.

Use a community string match with a maximum of 31
characters for authentication. This means that the SNMP
can accesses all objects with r ead/write permissions using this
community string.

Select the SNMP protocol version used to manage the switch. V1, V2c

public

private

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Setting

Description

Factory Defa ult

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Admin auth type (for V1, V2c, V3, and V3 only)

Setting Description Factory Defa ult

No Auth Use admin account to access objects. No authentication No Authentication
MD5 Pro vide authentication based on the HMAC-MD5 algo rithms.

8-character passwords are the minimum requireme nt for
authentication.

SHA Provides authentication based on

HMAC-SHA algorithms. 8-character passwords are the
minimum requirement for authentication.

Admin private type (for V1, V2c, V3, and V3 only)

Disable No data encryption Disable
DES DES-based data encryption
AES AES-based data encryption

Private key

A data encryption key is the minimum requirement for data encryption (max imum of 63 characters).

Private MIB Informatio n Devic e Object ID
Also known as OID. This is the AWK-1121/1127’s enterprise value. It is fixed.

Link Fault Pass-Through

This function means if Ethernet port is link down, wire le s s connec tion will be forced to disconnect. Once
Ethernet link is recovered, AWK-1121/1127 will try to connect to AP.

If wireless is disconnected, AWK-1121/1127 restarts auto-negotiation on Ethernet port but always stays in the
link failure state. Once the wireless co nne c tio n is recovered, AWK-1121/1127 will try to recover the Ethe r ne t
link.

System log will indicate the link fault pass thro ugh events in add iti o n to the orig inal link up/down events.

Link Fault Pass-Through

Setting Description Factory Def a ult

Enable Enables Link Fault Pass-Through Disable
Disable Disable Link Fault Pass-Through

Serial Port Settings (AWK-1127 Only)

The AWK-1127 not only is capable of bring Ethernet devices onto the WLAN network, it also has a serial port for
additional connectivity for serial devices. The AWK support various useful serial o pe r a tion mode s to make
connecting to your serial devices much simpler.

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need to be installed that will allow your software to

a local COM or TTY port. You may select between RealCOM and
RFC2217

This serial port will operate in RFC2217 mode.

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Operation Modes

The Operation Modes page for the serial port is where you can configure the serial port operation mode and
related settings.

Application

This field specifies what kind applic ation you will be using for this serial port. Depending on the application,
different operation modes and related setting s will be displayed.

Setting Description Factory Def a ult

Disable This serial port will be disabled. Disable
Device Control This serial port will be used to control a device using leg acy

software installed on a Windows, Linux, or UNIX syste m .
Drivers will
communicate with the device as if it were physically attached to

RFC2217 operation modes.

Socket This serial port will be used for a TCP or UDP sock et-based

application. You may select between TCP Client, TC P Server,
and UDP operation modes.

Mode

Along with Application, this field specifies the serial port’s operation mode, or how it will interact with network
devices. Depending on how Application is configured, different options are available for Mode . Depe nding on
how Mode is configured, additional settings will b e availab l e for conf iguration.

Setting Description Factory Def a ult

RealCOM This serial port will operate in RealCOM mode. (depends on

Application)
TCP Server This serial port will operate in TCP Server mode.
TCP Client This se rial port will operate in TCP Client mode.
UDP This serial port will operate in UDP mode.

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RealCOM
drivers that are installed on a network host. COM
drivers are provided for Windows systems, and TTY
drivers are provided for Linux and UNIX systems .
The driver establishes a transpare nt conne c tion to
the attached serial device by mapping a local serial
por
supports up to four simultaneous connections, so
multiple hosts can collect data from the attache d
device at the same time.

ATTENTION

Real

ATTENTION

In RealCOM mode, two

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RealCOM Mode

mode is designed to work with AWK

t to the AWK-1127 serial port. RealCOM mode

COM drivers are installed and configured through OnCell Windows Driver Manager.

RealCOM mod e allows you to continue us ing your serial communications software to access devic e s that ar e
now attached to your AWK-1127. On the host, the AWK RealCOM driver automatically intercepts data sent to
the COM port, packs it into a TCP/IP packet, and redirects it to the network. At the other end of the connection,
the AWK-1127 accepts the Ethernet fra me, unpack s the TCP/I P p ack e t, and sends the serial d ata to the
appropriate device.

hosts can have simultaneous access control over the AWK-1127 serial port.

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will force the existing

ATTENTION

When

is 2, the serial port’s communication settings (i.e., baudrate, parity, data bits, etc.) will
be determined by the
communication settings.

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When Mode is set to RealCOM on a serial port’s Operation Mo des page, you will be able to configure
additional settings such as TCP alive check time, Max connection, and Ignore jammed IP.

TCP Alive Check Time

Setting Description Factory Def a ult

0 to 99 min. This field specifies how long the AWK-1127 wi ll w ait for a

response to “keep alive” packets before closing the TCP
connection. The AWK-1127 checks connection status by
sending periodic “keep alive” packets .

0: The TCP connection will remain open even if there is no
response to the “keep alive” packets.

1 to 99: If the remote host does not respond to the packet
within the specified time, the AWK-1127
TCP connection to close.

Max Connection

This field specifies the maximum number of connectio ns that will b e acc epte d by the serial por t.

Setting Description Factory Def a ult

1 or 2 1: Only one specific host can access this serial port, and the

RealCOM driver on that host will have full control over the port.

2: This serial port will allow the two connections to be opened
simultaneously. With simultaneous connections, the RealCOM
driver will only provide a pure data tunnel with no control
ability. The serial communicatio n w ill be determined by the
AWK-1127 rather than by your application program.
Application software that is based on the RealCOM driver will
receive a driver response of “success” when using any of the
Win32 API functions. The AWK-1127 will send data only to the
RealCOM drive r on the host. Data received from hosts will be
sent to the attached serial d evi ce on a fir st-in- first-out basis.

7 min.

1

Max connectio n

AWK-1127. Any host that opens the COM port connection must use identical se rial

Ignore Jammed IP

This field specifies how an unresponsive IP address is handled when there are simultaneous connections to the
serial port.

Setting Description Factory Default

Disable All transmission will be suspended if one IP addres s becomes

unresponsive. Transmiss ion will only res ume whe n all hos ts
have responded.

Enable Data transmission to the other hosts will not be suspende d if

one IP address becomes unresponsive.

Disable

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ngs or when the buffer is

: Data in the buffer will be sent as soon it reaches the

specified length.

carriage return character could be used as a delimiter in order

The Delimiter value can be set ranging

ATTENTION

When

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Allow Driver Control

This field specifies how the port will proceed if driver control commands are received from multiple hosts that
are connected to the port.

Setting Description Factory Def a ult

Disable Driver control commands will be ignored. Disable
Enable Control commands will be accepted, with the most recent

command received taking precedence.

Connection Goes Do wn

This field specifies what happens to the RTS and DTR signals w he n the Ether ne t co nnection goe s down. For
some applications , s er ial devices need to know the Ethernet link status through RTS or DTR signals sent
through the serial port.

Setting Description Factory Def a ult

always low The selected signal will c ha nge to lo w whe n the Ether ne t

connection goes down.

always high The selected signal will remain high when the Ethernet

connection goes down.

Packet Length

always high

This field specifies the maximum amount of data that is allowed to accumulate in the serial port buffer before
sending.

Setting Description Factory Def a ult

0 to 1024 0: Packet length is disregarded and data in the buffer will be

sent as specified by the delimiter setti
full.

1 to 1024

Delimiter 1 and 2

These fields are used to define special delimiter c harac ter (s) for data packing. Enable Delimiter 1 to control
data packing with a single character; enable both Delimiter 1 and 2 to control data packing with two characters
received in sequence.

Setting Description Factory Def a ult

Enable When these fields are enabled, serial data wil l accumula te in

the serial port’s buffer until the buffer is full or until the
specified delimiter character(s) are received. For example, the

to transmit each sentence or paragraph in a separate packet.
Data will be packed according to Delimiter proces s .
Delimiters must be incorporated into the d ata stream at the
software or device level.
from 00 to FF.

0

Unchecked

Delimiter 1 is enabled, Packet length must be set to 0.

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including delimiters.

Data accumulated in the serial port’s buffer will be packed, but

example, assume that the serial port is set to 1200 bps, 8 data
bits, 1 stop bit, and no parity. In this case, the total number of
bits needed to send a character is 10 bits, and the time required

nsfer one character is 8.3 ms, so the force transmit time

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Delimiter Process

This field specifies how data is packed when delimiter c haracters are received. This field has no effect if
Delimiter 1 is not enabled.

Setting Description Factory Def a ult

Do Nothing Data accumulated in the ser ial port’ s buff er will b e packed,

Delimiter + 1 One additional character must be received befor e the data in

the serial port’s buffer is packed.

Delimiter + 2 Two additional characters must be receive d before the data in

the serial port’s buffer is packed.

Strip Delimiter

the delimiter character(s) will be stripped from the data.

Force Transmit

This field controls data packing by the amount of time that elapses between bits of data. When using this field,
make sure that Inactivity time is disabled or set to a larger value. O the rw is e the conne c tion may be closed
before the data in the buffer can be transmitted.

Setting Description Factory Def a ult

0 to 65535 0: If ser ia l d ata is receiv ed , setting this value to 0 means no

data will be buffered and all data will be transmitted
immediately as received.
1 to 65535: If serial data is not receive d for the specif i e d
amount of time, the data that is currently in the buffer will be
packed for network transmission. The optimal for c e trans m it
time depends on your application, but it must be at least larger
than one character interval within the spec ifie d ba udr ate . For

Do Nothing

0 ms

to tra
to be larger than 8.3 ms.

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will wait for a response to

periodic “keep

will force the existing

to

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RFC2217 Mode

RFC2217 mode is similar to RealCOM mode, since it relies on a driver to transparently map a virtual COM port
on a host computer to a serial port on the AWK-1127. The RFC2217 standard defines general COM port control
options based on the Telnet protocol and supports one connec ti o n at a time. Third party drivers supporting
RFC2217 are widely available on the Internet and can be used to imp lement vir tual C O M mapping .

When Mode is set to RFC2217 on a serial port’s Operation Modes page, you will be able to configure
additional settings such as TCP alive check time, TCP port, and Packet length.

TCP Alive Check Time

Setting Description Factory Def a ult

0 to 99 min. This field specifies how long the AWK

TCP Port

Setting Description Factory Def a ult

0 to 9999 This field specifies the TCP port number that the serial port will

7 min.
“keep alive” packets before closing the TCP conne c tion. The
AWK-1127 checks connection status by sending
alive” packets.

0: The TCP connection will remain open even if there is no
response to the “keep alive” packets.

1 to 99: If the remote host does not respond to the packet
within the specified time, the AWK-1127
TCP connection to close.

4001
use to listen to connections, and that other devices must use
contact the serial port.

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1 to 1024: Data in the buffer will be sent as soon it reaches the

carriage return character could be used as a delimiter in order

The Delimiter value can be set ranging

ATTENTION

When

including delimiters.

Data accumulated in the serial port’s buffer will be packed, but

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Packet Length

Setting Description Factory Def a ult

0 to 1024 This field specifies the maximum amount of data that is allowed

to accumulate in the serial port buffer before sending .

0: Packet length is disregarded and data in the buffer will be
sent as specified by the delimiter settings or when the buffer is
full.

specified length.

Delimiter 1 and 2

Setting Description Factory Def a ult

Enable When these fields are enabled, serial data wil l accumula te in

the serial port’s buffer until the buffer is full or until the
specified delimiter character(s) are received. For example, the

to transmit each sentence or paragraph in a separate packet.
Data will be packed according to Delimiter proces s .
Delimiters must be incorporated into the d ata stream at the
software or device level.
from 00 to FF.

0

Unchecked

Delimiter 1 is enabled, Packet length must be set to 0.

Delimiter Process

This field specifies how data is packed when delimiter c haracters are received. This field has no effect if
Delimiter 1 is not enabled.

Setting Description Factory Def a ult

Do Nothing Data accumulated in the ser ial port’ s buff er will b e packed,

Delimiter + 1 One additional character must be received befor e the data in

Delimiter + 2 Two additional characters must be receive d before the data in

Strip Delimiter

Do Nothing

the serial port’s buffer is packed.

the serial port’s buffer is packed.

the delimiter character(s) will be stripped from the data.

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Otherwise the connection may be closed before the data in the

example, assume that the serial port is set to 1200 bps, 8 data
bits, 1 stop bit, and no parity. In this case, the total number of
bits needed to send a character is 10 bits, and the time required

fer one character is 8.3 ms, so the force transmit time

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Force Transmit

Setting Description Factory Def a ult

0 to 65535 This field controls data packing by the amount of time that

elapses between bits of data. When using this field, make sure
that Inactivity time is disabled or set to a larger value.

buffer can be transmitted.

0: If serial data is received, setting this val ue to 0 means no
data will be buffered and all data will be transmitted
immediately as received.

1 to 65535: If serial data is not received for the specified
amount of time, the data that is currently in the buffer will be
packed for network transmission. The optimal for c e trans m it
time depends on your application, but it must be at least larger
than one character interval within the spec ifie d ba udr ate . For

0 ms

to trans
to be larger than 8.3 ms.

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In TCP Server mode, the AWK

serial port is
assigned an IP:port address that is unique on
your TCP/IP network. It waits for the host
computer to establish a connection to the
attached serial device. This operatio n mode also
supports up to four simultaneous connections, so
multiple hosts can collect data from the attached
device at the same time.
Data transmission proceeds as follows:

1.

2. Once the connection is established, data can

from the

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TCP Server Mode

-1127

A host requests a connection to the

AWK-1127 serial port.

be transmitted in both directions—
host to the device, and from the device to
the host.

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3-31

ke sure

1: Only a single host may open the TCP connection to the serial

Setting

Description

Factory Defa ult

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When Mode is set to TCP Server on a serial port’s Operation Modes page, you will be able to configure
additional settings such as TCP alive check time, Inact i vi ty time, and Max connection.

TCP Alive Check Time

Setting Description Factory Def a ult

0 to 99 min. This field specifies how long the AWK-1127 wi ll w ait for a

response to “keep alive” packets before closing the TCP
connection. The AWK-1127 checks connection status by
sending periodic “keep alive” packets .

0: The TCP connection will remain open even if there is no
response to the “keep alive” packets.

1 to 99: If the remote host does not respond to the packet
within the specified time, the AWK will force the exis ti ng TCP
connection to close.

Inactivity Time

Setting Description Factory Def a ult

0 to 65535 ms This field specifies the time limit for keeping the connection

open if no data flows to or from the serial device.

0: The connection will remain open even if data is never
received. For many applications, the serial device may be idle
for long periods of time, so 0 is an appropriate setting.

1 to 65535: If there is no activity for the specified time, the
connection will be closed. When adjusting this field, ma
that it is greater than the Force transmit time. Otherwis e , the
TCP connection may be closed before data in the buffer can be
transmitted.

7 min.

0 ms

Max Connection

Setting Description Factory Def a ult

1 to 2 This f i e ld spec ifies the maximum number of connections that

will be accepted by the serial port.

port.

2: This serial port will allow the specified number of connections
to be opened simultaneously. When multiple connections are
established, serial data will be duplic a te d and sent to all
connected hosts. Data from hosts will be sent to the attached
serial device on a first-in-first-out basi s .

Ignore Jammed IP

This field specifies how an unresponsive IP address is handled when there are simultaneous connections to the
serial port.

Disable All transmission will be suspended if one IP addres s becomes

unresponsive. Transmiss ion will only res ume whe n all hos ts

Enable Data transmission to the other hosts will not be suspended if

have responded.

one IP address becomes unresponsive.

1

Disable

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1 to 1024: Data in the buffer will be sent as soon it reaches the

Setting

Description

Factory Defa ult

single character; enable both Delimiter 1 and 2 to control data

carriage return character could be used as a delimiter in order

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Allow Driver Control

This field specifies how the port will proceed if driver control commands are received from multiple hosts that
are connected to the port.

Setting Description Factory Def a ult

Disable Driver control commands will be ignored. Disable
Enable Control commands will be accepted, with the most recent

command received taking precedence.

TCP Port

Setting Description Factory Def a ult

0 to 9999 This field specifies the TCP port number that the serial port will

use to listen to connections, and that other devices must use to
contact the serial port.

Cmd Port

Setting Description Factory Def a ult

0 to 9999 This field specifies the TCP port number for listening to S SDK

commands from the host.

Connection Goes Do wn

4001

966

This field specifies what happens to the RTS and DTR signals w he n the Ether ne t co nnection goe s down. For
some applications, serial devices need to know the Ether net link s tatus thro ug h R TS or DTR signals s e nt
through the serial port.

Setting Description Factory Def a ult

always low The selected signal will c ha nge to lo w whe n the Ether ne t

connection goes down.

always high The selected signal will remain high when the Ethernet

connection goes down.

Packet Length

Setting Description Factory Def a ult

0 to 1024 This field specifies the maximum amount of data that is allowed

to accumulate in the serial port buffer before sending .
0: Packet length is disregarded and data in the buffer will be
sent as specified by the delimiter settings or when the buffer is
full.

specified length.

Delimiter 1 and 2

Enable These fields are used to define special delimiter character(s) for

data packing. Enable Delimiter 1 to control data packing with a

always high

0

Unchecked

packing with two characters received in sequence.
When these fields are enabled, serial data will accumulate in
the serial port’s buffer until the buffer is full or until the
specified delimiter character(s) are received. For example, the

to transmit each sentence or paragraph in a separate packet.
Data will be packed according to Delimiter proces s .
Delimiters must be incorporated into the d ata stream at the
software or device level.

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ATTENTION

When

data in

Data accumulated in the serial port’s buffer will be packed, but

Otherwise the connection may be closed before the data in the

t to 1200 bps, 8 data
bits, 1 stop bit, and no parity. In this case, the total number of
bits needed to send a character is 10 bits, and the time required
to transfer one character is 8.3 ms, so the force transmit time
to be larger than 8.3 ms.

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Delimiter 1 is enabled, Packet length must be set to 0.

Delimiter Process

This field specifies how data is packed when delimiter c haracters are received. This field has no effect if
Delimiter 1 is not enabled.

Setting Description Factory Def a ult

Do Nothing Data accumulated in the serial port’s buffer will be packed,

including delimiters.

Delimiter + 1 One additional character must be received befor e the data in

the serial port’s buffer is packed.

Delimiter + 2 Two additional characters must be receive d before the

the serial port’s buffer is packed.

Strip Delimiter

the delimiter character(s) will be stripped from the data.

Force Transmit

Setting Description Factory Def a ult

0 to 65535 This field controls data packing by the amount of time that

elapses between bits of data. When using this field, make sure
that Inactivity time is disabled or set to a larger value.

Do Nothing

0 ms

buffer can be transmitted.

0: If serial data is received, setting this val ue to 0 means no
data will be buffered and all data will be transmitted
immediately as received.

1 to 65535: If serial data is not received for the specified
amount of time, the data that is currently in the buffer will be
packed for network transmission. The optimal for c e trans m it
time depends on your application, but it must be at least larger
than one character interval within the spec ifie d ba udr ate . For
example, assume that the serial port is se

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In TCP Client mode, the AWK
establishes a TCP connection to a specific
network host when data is received from the
attached serial device. After the data ha s been
transferred, the AWK
disconnect from the hos

Inactivity time

Data transmission proceeds as follows:

The connection is established and data can be

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TCP Client Mode

-1127 actively

-1127 can automatically
t computer through the

settings.

The AWK-1127 req ue s ts a connectio n fr o m

the host.

transmitted in both directions betwe e n the
host and device.

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will force the existing

connection will be closed. When adjusting this field, make sure

ATTENTION

In
connection speed or throughput may be low if any one of the four connections is slow, since the one slow
connection will slow down the other 3 connections .

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When Mode is set to TCP Client on a serial port’s Oper ation Modes page, you will be able to configure
additional settings such as TCP alive check time, Inact i vi ty time, and Ignore jammed IP.

TCP Alive Check Time

Setting Description Factory Def a ult

0 to 99 min. This field specifies how long the AWK-1127 will wait for a

response to “keep alive” packets before closing the TCP
connection. The AWK-1127 checks connec tion status by
sending periodic “keep alive” packets.

0: The TCP connection will remain open even if there is no
response to the “keep alive” packets.

1 to 99: If the remote host does not respond to the packet
within the specified time, the AWK-1127
TCP connection to close.

Inactivity Time

Setting Description Factory Def a ult

0 to 65535 ms This field specifies the time limit for keeping the connection

open if no data flows to or from the serial device.

0: The connection will remain open even if data is never
received. For many applications, the serial device may be idle
for long periods of time, so 0 is an appropriate setting.

1 to 65535: If there is no activity for the specified time, the

7 min.

0 ms

that it is greater than the Force transmit time. Otherwise, the
TCP connection may be closed before data in the buffer can be
transmitted. Connecti on Control must be set to “Any
character/Inactivity time” for this setting to have effect.

Ignore Jammed IP

Setting Description Factory Def a ult

Disable All transmission will be suspended if one IP addres s becomes

unresponsive. Transmiss ion will only res ume whe n all hos ts
have responded.

Enable Data transmission to the other hosts will not be suspende d if

one IP address becomes unresponsive.

This field specifies how an unresponsive IP address is handled when there are simultaneous connections to the
serial port.

Destination Address 1 to 4

Setting Description Factory Def a ult

IP address an d port
(e.g., “192.168.1.1”
and “4001”)

This field specifies the remote host(s) that w ill acce s s the
attached device. At least one destination must be prov ide d .
This field supports the use of domain names and names defined
in the host table.

Disable

IP Address: Empty
Port: 4001

TCP Client mode, up to 4 connections can be established between the serial port and TCP hosts. The

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starts up. The

received from the attached device. The connection will only be

a is received for the time specified in Inactivity

1 to 1024: Data in the buffer will be sent as soon it reaches the

single character; enable both Delimiter 1 and 2 to control data

carriage return character could be used as a delimiter in order

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Designated Local Port 1 to 4

Setting Description Factory Def a ult

1 to 65535 This field specifies the TCP port number that will be used for

data transmission with the serial port.

Connection Control

This field specifies how connections to the device are established and closed.

Setting Description Factory Def a ult

Startup/None The connection will be opened as the AWK-1127

connection will only be closed manually.

Any Character/None The connection will be opened as soon as a character is

closed manually.
Any Character/
Inactivity Time

DSR On/DSR Off The TCP connection is opened when the DSR signal is on, and

DSR On/None The TCP connection is opened when the DSR signal is on. The

DCD On/DCD O ff The TCP connection is opened when the DCD signal is on, and

DCD On/None The TCP connection is opened when the DCD signal is on. The

The connection will be opened as soon as a character is

received from the attached device. The connection will be

closed if no dat

time.

closed when the DSR signal is off.

connection will only be closed manually.

closed when the DCD signal is off.

connection will only be closed manually.

0

Startup/None

Packet Length

Setting Description Factory Def a ult

0 to 1024 This field specifies the maximum amount of data that is allowed

to accumulate in the serial port buffer before sending .

0: Packet length is disregarded and data in the buffer will be

sent as specified by the delimiter settings or when the buffer is

full.

specified length.

Delimiter 1 and 2

Setting Description Factory Def a ult

Enable These fields are u sed to define speci al delimiter character(s) for

data packing. Enable Delimiter 1 to control data packing with a

packing with two characters received in sequence.

When these fields are enabled, serial data wi ll accumula te in

the serial port’s buffer until the buffer is full or until the

specified delimiter character(s) are received. For example, the

0

Unchecked

to transmit each sentence or paragraph in a separate packet.

Data will be packed according to Delimiter proces s .

Delimiters must be incorporated into the d ata stream at the

software or device level.

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ATTENTION

When

Data accumulated in the serial port’s buffer will be packed, but

Otherwise the connection may be closed before the data in the

a
bits, 1 stop bit, and no parity. In this case, the total number of
bits needed to send a character is 10 bits, and the time required
to transfer one character is 8.3 ms, so the force transmit time

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Delimiter 1 is enabled, Packet length must be set to 0.

Delimiter Process

This field specifies how data is packed when delimiter c haracters are received. This field has no effect if
Delimiter 1 is not enabled.

Setting Description Factory Def a ult

Do Nothing Data accumulated in the ser ial por t’s buff er will b e pa cked,

including delimiters.

Delimiter + 1 One additional character must be received befor e the data in

the serial port’s buffer is packed.

Delimiter + 2 Two additional characters must be receive d before the data in

the serial port’s buffer is packed.

Strip Delimiter

the delimiter character(s) will be stripped from the data.

Force Transmit

Setting Description Factory Def a ult

0 to 65535 This field controls data packing by the amount of time that

elapses between bits of data. When using this field, make sure
that Inactivity time is disabled or set to a larger value.

Do Nothing

0 ms

buffer can be transmitted.

0: If serial data is receiv ed, setting this value to 0 means no
data will be buffered and all data will be transmitted
immediately as received.

1 to 65535: If serial data is not received for the specified
amount of time, the data that is currently in the buffer will be
packed for network transmission. The optimal for c e trans m it
time depends on your application, but it must be at least larger
than one character interval within the spec ifie d ba udr ate . For
example, assume that the serial port is set to 1200 bps, 8 dat

to be larger than 8.3 ms.

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UDP is similar
efficient. Data can be broadcast to or received
from multiple network hosts. However, UDP does
not support verification of data and would not be
suitable for applications where da ta integrity is
critical. It is ideal for messa
applications.

In UDP mode, you may specify up to 4 ranges of IP addresses
for the serial port to connect to. At least one destination range

However, you can enter multicast addresses in the Begin field,

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UDP Mode

to TCP but is faster and more

ge display

When Mode is set to UDP o n a serial port’ s Operation Modes page, you will be able to configure add itional
settings such as Destination address 1 through 4, Local listen port, and Packet length.

Destination Address 1 to 4

Setting Description Factory Def a ult

IP address range and
port (e.g.,
“192.168.1.1” to
“192.168.1.64” and
“4001”)

must be provided.

The maximum selectable IP address range is 64 addresses.

in the form xxx.xxx.xxx.255. For example, enter
“192.127.168.255” to allow the AWK-1127 to broadcast UDP
packets.

Begin: Empty
End: Empty
Port: 4001

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and that other devices must use to contact the attached serial

delimiter settings or when the buffer is

1 to 1024: Data in the buffer will be sent as soon it reaches the

carriage return character could be used as a delimiter in order

The Delimiter value can be set ranging

ATTENTION

When

Data accumulated in the serial port’s buffer will be packed, but

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Local Listen Port

Setting Description Factory Def a ult

0 to 9999 This field specifies the UDP port that the AWK-1127 listens to

device.

Packet Length

Setting Description Factory Def a ult

0 to 1024 This field specifies the maximum amount of data that is allowed

to accumulate in the serial port buffer before sending .

0: Packet length is disregarded and data in the buffer will be
sent as specified by t he
full.

specified length.

Delimiter 1 and 2

Setting Description Factory Def a ult

Enable When these fields are enabled, serial data wil l accumula te in

the serial port’s buffer until the buffer is full or until the
specified delimiter character(s) are received. For example, the

4001

0

Unchecked

Delimiter 1 is enabled, Packet length must be set to 0.

Delimiter Process

This field specifies how data is packed when delimiter c haracters are received. This field has no effect if
Delimiter 1 is not enabled.

Setting Description Factory Def a ult

Do Nothing Data accumulated in the ser ial por t’s buff er will b e pa cked,

Delimiter + 1 One additional character must be received befor e the data in

Delimiter + 2 Two additional characters must be receive d before the data in

Strip Delimiter

to transmit each sentence or paragraph in a separate packet.
Data will be packed according to Delimiter proces s .
Delimiters must be incorporated into the d ata stream at the
software or device level.
from 00 to FF.

Do Nothing

including delimiters.

the serial port’s buffer is packed.

the serial port’s buffer is packed.

the delimiter character(s) will be stripped from the data.

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Otherwise the connection may be closed before the data in the

example, assume that the serial port is set to 1200 bps, 8 data
bits, 1 stop bit, and no parity. In this case, the total number of
bits needed to send a character is 10 bits, and the time required

ansfer one character is 8.3 ms, so the force transmit time

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Force Transmit

Setting Description Factory Def a ult

0 to 65535 This field controls data packing by the amount of time that

elapses between bits of data. When using this field, make sure
that Inactivity time is disabled or set to a larger value.

buffer can be transmitted.
0: If serial data is received, setting this val ue to 0 means no
data will be buffered and all data will be transmitted
immediately as received.
1 to 65535: If serial data is not received for the specifie d
amount of time, the data that is currently in the buffer will be
packed for network transmission. The optimal for c e trans m it
time depends on your application, but it must be at least larger
than one character interval within the spec ifie d ba udr ate . For

to tr
to be larger than 8.3 ms.

0 ms

Communication Parameters

The Communication Parameters page for the serial port is where serial communication settings are
specified, such as Baud rate, Data bits, and Stop bits.

The Communication Parameters page for the serial port is where serial communication settings are
specified, such as Baud rate, Data bits, and Stop bits.

Port Alias

Setting Description Factory Def a ult

free text (e.g.,
“Secondary console
connection”)

This is an optional free text field to help you differ e ntia te one
serial port from another. It does not affect oper a tio n of the
AWK-1127.

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ATTENTION

Serial communication settings s ho uld matc h the attache d serial device. Check the communication settings in
the user’s manual for your serial device.

50, 75, 110, 13 4, 150,

921600

encode each

specifies the type of parity bit used for each character

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Baud Rate

Setting Description Factory Def a ult

This field specifies the baudrate for the serial port.
300, 600, 120 0, 18 00,
2400, 4800, 7200,
9600, 19200, 38400,
57600, 11520 0,
230400, 460800,

Data Bits

Setting Description Factory Def a ult

5, 6, 7, 8 This field specifies the number of data bits used to

Stop Bits

Setting Description Factory Def a ult

1, 1.5, 2 This field specifies the number of stop bits used for each

Parity

Setting Description Factory Def a ult

None, Odd, Even,
Space, Mark

50 to 921600: The serial port will operate at the specified

baudrate

character of data.

character frame.

This field

frame.

115200

8

1

None

Flow Control

Setting Description Factory Def a ult

None, RTS/CTS,
XON/XOFF, DT R/DSR

FIFO

Setting Description Factory Def a ult

Enable, Disable This field specifies whether the serial port will use the built-in

Interface

Setting Description Factory Def a ult

RS-232, RS-422,
RS-485 2-wire,
RS-485 4-wire

This field specifies the type of flow control used by the serial

port.

FIFO. A 128-byte FIFO is provided to each serial port for both

Tx and Rx directions. To prevent data loss during serial

communication, this should be set to Disable if the attached

serial device does not have a FIFO.

This field specifies the type of interface the serial port will use. RS-232

RTS/CTS

Enable

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Data Buffering/Log

On the serial port’s Data Buffering/Log page, you can enable or disable Port buffering and Serial data
logging.

Port Buffering

Setting Description Factory Def a ult

Enable, Disable This field specifies whether the serial port will use port buffering

when the network connection (Ethernet or WLAN) is down. Port

buffering can be used in RealCOM mode, TCP Server mode,

TCP Client mode. For other modes, the port buffering settings

will have no effect.

Disable

Serial Data Logging

Setting Description Factory Def a ult

Enable, Disable This field specifies whether data logs for the ser ia l port will b e

stored on system RAM. Each serial port is allotted 256 KB for

data logging. The data log is not saved when the AWK-1127 i

powered off.

Auto Warning Settings

Since industrial-grade devices are ofte n locate d at the endpoints of a system, the se devices will no t alw ays
know what is happening elsewhere on the network. This means that the s e devic e s , inc lud ing w irel e s s APs or
clients, must provide system maintainers w ith re al-time ala r m mess ages . Eve n when system a dminis tr a to rs
are out of the control room for an extended period, they can still be informed of the status of devices almost
instantaneously when exceptions occur.

In addition to logging these events, the AWK-1121/1127 supports different approa c hes to warn e ng ineers
automatically, such as SNMP trap or e-mail.

Disable

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LAN link on

The LAN port is connected to a device or network.

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System Log

System Log Event Types

Detailed information for grouped events is shown in the following table. You can check the box for “Enable Log”
to enable groups of events. All values are enabled (checked) by default. The log for system events can be seen
in Status  System Log.

System-related events Event is tr iggered when…

System restart (warm start) The AWK-1121/1127 is rebooted , s uc h as when its settings are

changed (IP address, subnet mask, etc.).

Network-related events Event is triggered when…

LAN link off The port is disconnected (e.g., the cable is pulled out, or the

WLAN connected to AP The AWK-1121/1127 is associated with a n AP.
WLAN disconnected The AWK-1121/1127 is disassociated from an AP.

Config-related events Event is triggered when…

Configuration Changed A configuratio n ite m has been changed .
Configuration file import via Web Console The configuration file is imported to the AWK-1121/1127.
Console authentication failur e An incorrect password is entered.
Firmware upgraded The AWK-1121/1127’s firmware is updated.

Power events Event is triggered when…

Power 1/2 transition (On -> Off) The AWK-1121/1127 is powered down in PWR1/2.
PoE transition (On -> Off) The AWK-1121/1127 is powered down in PoE (PoE model only).
Power 1/2 transition (Off -> On) The AWK-1121/1127 is powered via PWR1/2.
PoE transition (Off -> On) The AWK-1121/1127 is powered via PoE (PoE model only).

opposing device shuts down).

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Setting

Description

Factory Defa ult

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Syslog

This function provides the event logs for the Syslog server. The function supports up to three configurable
Syslog servers and Syslog server UDP port numbers. When an event occurs, the event will be sent as a Syslog
UDP packet to the specified Syslog servers.

Syslog Event Types

Detailed information for grouped events is shown in the following table. You can check the box for “Enable Log”
to enable groups of events. All values are enab led (checked) by default. Details for each event group can be
found on the table “System Log Event Types”, just above, on page 3-40.

Syslog Server Settings

You can configure the parameters for your Syslog servers in this page .

Syslog server 1/ 2/ 3

Setting Description Factory Defa ult

IP address Enter the IP address of the 1st/ 2nd/ 3rd Syslog Server None

Syslog port

Port destination
(1 to 65535)

Enter the UDP port of the corresponding Syslog server 514

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E-mail

E-mail Event Types

Check the box for Active to enable the event items. All default values are deactivated (unchecked). Details for
each event item can be found on the “System Log Event Types” table on page 3-40.

E-mail Server Settings

You can set up to 4 e-mail addresses to receive alarm emails from the AWK-1121/1127. The following
parameters can be configured on the E-mail Server Settings page. In addition, a Send Test Mail button can
be used to test whether the Mail server and e-mail addresses work well. More detailed explanations about these
parameters are given after the following figure.

Mail server (SMTP)

Setting Description Factory Defa ult

IP address The IP Address of your email server. None

User name & Password

Setting Description Factory Defa ult

Max. 63 chars User name and password used in the SMTP server None

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From e-mail address

Setting Description Factory Defa ult

Max. 63 characters Enter the administrator’s e-mail address which will be shown in

the “From” field of a warning e-mail.

To E-mail address 1/ 2/ 3/ 4

Setting Description Factory Defa ult

Max. 63 characters Enter the receivers’ e-mail addresses. None

None

Trap

Traps can be used to signal abnormal conditions (no tifications) to a management station. This trap-driven
notification can make your network more efficie nt.

Because a management station usually takes care of a large number of devices that have a large number of
objects, it will be overloading for the manag e ment station to poll or send requests to query every object on
every device. It would be better if the managed device agent could notify the management station by sending
a message known as a trap for the event.

Trap Event Types

SNMP Trap Receiver Settings

SNMP traps are defined in SMIv1 MIBs (SNMPv1) and SMIv2 MIBs (SNMPv2 c ). The two s tyles are bas ic a lly
equivalent, and it is possible to convert between the two. You can set the parameters for SNMP trap receivers
through the web page.

1st / 2nd Trap version

Setting Description Factory Defa ult

V1 SNMP trap defined in SNMPv1 V1
V2 SNMP trap defined in SNMPv2

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1st / 2nd Trap server IP/name

Setting Description Factory Defa ult

IP address or host
name

1st / 2nd Trap community

Setting Description Factory Defa ult

Max. of 31 characters Use a community string match with a maximum of 31

Enter the IP address or name of the trap server used by your

network.

characters for authentication.

None

alert

Status

Wireless Status

The status for 802.11 Info parameters, such as Operation mode and Channel, are shown on the Wireless
Status page. The status will refresh every 5 second s if the Auto refresh box is check ed.

It is helpful to use the continuously updated information on this page, such as Signal strength, to monitor the
signal strength of the AWK-1121/1127.

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System Log

Triggered events are recorded in System Log. You can export the log contents to an available viewer by clicking
Export Log. You can use the Clear Log button to clear the log contents and the Refresh button to refresh the
log.

Serial Data Log (AWK-1127 Only)

Data logs for the serial port can be viewed in ASCII or HEX format. After selecting the serial port and format,
you may click Select all to select the entire log if you wish to copy and paste the contents into a text file.

Power Status

The status of power inputs is shown on this web page. The status will ref res h ever y 5 seconds if the Auto
refresh box is checked.

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Maintenance

Maintenance functions provide the administrator with tools to manage the AWK-1121/1127 and wired/wireless
networks.

Console Settings

You can enable or disable access permission for the following consoles: HTTP, HTTPS, Telnet and SSH
connections. For more security, we recommend you only allow access to t he tw o secu red consoles, HTTPS and
SSH.

Ping

Ping helps to diagnose the integrity of wired or wireless networks. By inputting a node’s IP address in the
Destination field, you can use the ping command to make sure it exists and whether or not the access path

is available.

If the node and access path are available, you will see that all pack e ts were successfully transmitted with no
loss. Otherwise, some, or even all, packets may get lost, as show n in the following figure.

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ATTENTION

Please make sure the powe r source is stable when you

firmware. An unexpected power breakup

may damage your

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Firmware Upgrade

The AWK-1121/1127 can be enhanced with more value-added functions by installing firmware upgrades. The
latest firmware is available at Moxa’s download center.

Before running a firmw are upgr a de, make sur e the AWK-1121/1127 is off-line. Click the Browse button to
specify the firmware image file and click Firmware Upgrade and Res tart to start the firmware upgrade. After
the progress bar reaches 100%, the AWK-1121/1127 will reboot itself.

When upgrading your firmware, the AWK-1121/1127’s other functions are forbidden.

AWK-1121/1127.

Config Import/Export

You can back up or restore the AWK-1121/1127’s configuration with Config Import/Export.
In the Config Import section, click Browse to specify the configuration file and click Config Import button

to begin importing the configuration.

In the Config Export section, click the Config Export button and save the configuration file onto your local
storage media. The configuration file is a text file and you can view and edit it with a general text-editing tool.

upgrade your

You can also do automated device back ups or setup restoration using Moxa’s dedicated conf ig uration
import-export accessory, the ABC-01 (HW Rev. 1.1 support only).

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To download the configuration to the AWK device:

1. Turn off the AWK device.

2. Plug in the ABC-01 to the AWK’s console, via the RS-232 port.

3. Turn on the AWK device.

4. The AWK device will automatically detect the ABC-01 during the boot process, and will automatically
download the configuration file from the ABC-01 to the AWK. Once the configuration downloads, then-if the
configuration format is correct-the AWK wi ll emit thr e e shor t beeps and continue the boot process.

5. Once the AWK has booted up successfully, it will emit the normal two beeps and the “Ready” LED will turn
to solid green.

Loading Factory Defaults

Use this function to reset the AWK-1121/1127 and roll all settings back to the factory default values. You can
also reset the hardware by pressing the reset button on the rear panel of the AWK-1121/1127.

Password

You can change the administration password for each of the AWK-1121/1127’s con sole managers by using the
Password function. Before you set up a new password, you must input the current password and reenter the
new password for confirmation. For your security, do not use the default password root, and remember to
change the administration password regularly.

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Misc. Settings

Additional settings to help you manage your AWK-1121/1127, are available on this page.

Reset button

Setting Description Factory Defa ult

Always enabled The AWK-1121/1127’s Reset button works normally. Always disabled
Always disabled * The AWK-1121/1127’s function of Reset butto n is disabled.

* We find that AWK-1127 would be reseted to default in some critical enviro nm e nt, so we apply a new item
"Always Disable" in Misc Setting to help you to avoid this proble m .

Save Configuration

The following fi gure sh ows how the AWK-1121/1127 stores the setting c ha nges into vola tile and non-volatile
memory. All data stored in volatile memory will disappear when the AWK-1121/1127 is shutdown or rebooted
unless they are saved in non-volatile memory. Because the AWK-1121/1127 starts up and initializes with the
settings stored in flash memory, all new change s must be saved to flash memory before restarting the
AWK-1121/1127.

This also means that new changes will not take effect unless you press the "Save and Restart" button.

After you click on Save Configuration in the left menu box, the following screen will appear. Click Save if you
wish to update the configuration settings in the flash memory at this time. Alternatively, you may choose to run
other functions and put off saving the configuration until later. However, the new setting changes will remain
in the non-volatile memory until you save the configurations.

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Restart

If you submitted configuration changes, you will find a blinking string in the upper right corner of the screen.
After making all your changes, click the Restart function in the left menu box. One of two different screens will
appear.

If you made changes recently but did not save, you will be given two options. Clicking the Restart button here
will reboot the AWK-1121/1127 directly, and all setting changes will be ignored. Clicking the Save and Restart
button will apply all setting change s and then reboo t the AWK-1121/1127.

If you run the Restart function without changing any configurations or saving all your changes, you will see
just one Restart button on your screen .

You will not be able to run any of the AWK-1121/1127’s functions while the system is rebooting.

Logout

Logout he lps users disconnect the current HTTP or HTTPS session and go to the Login page. For security

reasons, we recommend you logout before quitting the co nsole m anage r.











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4

4. Software Installation and Configuration

The following topics are covered in this chapter:

Overview
AWK Search Utility

 Installing AWK Search Utility
 Configuring the AWK Search Utility

OnCell Windows Driver Manager

 Installing OnCell Windows Drive r Manager
 Using OnCell Windows Driver Manager

Moxa OnCell Linux Real TTY Driver

 Basic Procedure
 Hardware Setup
 Installing Linux Real TTY Driver Files
 Map ping TTY Ports
 R e moving Mapped TTY Ports
 Removing Linux Driver Files

Moxa OnCell UNIX Fixed TTY Dri ver

 Installing the UNIX Driver
 C o nfiguring the UNIX Driver

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Overview

The Documentation & Software CD included with your AWK-1121/1127 is designed to make the installation and
configuration procedure easy and straightforward. This auto-run CD includes AWK Search Utility (to broadcast
search for all AWK’s accessible over the network), the AWK-1121/1127 User’s Manual, and Quick Installation
Guide.

AWK Search Utility

Installing AWK Search Utility

Click the INSTALL UTILI TY b utton in the AWK Installation CD auto-run window to install AWK Search Utility.
Once the program starts running, click Yes to proceed.

1. Click Next when the Welcome sc re e n opens to proce ed with the ins ta llation.

2. Click Next to install program files to the default directory, or click Browse to select an alternate location.

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1. Click Next to create the program’s shortcut files to the default dire c tor y, or click Browse to select an
alternate location.

2. Click Next to select additional tasks.

3. The installer then displays a summary of the installation options.

4. Click Install to begin the installation. The setup window will report the progress of the installation. To
change the installation settings, click Back and navigate to the previous screen.

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5. Click Finish to complete the installation of AWK Search Utility.

Configuring the AWK Search Utility

The Broadcast Search function is used to locate all AWK-1121/1127 APs that are c onnected to the same LAN as
your computer. After locating an AWK-1121/1127, you will be able to change its IP address. Since the
Broadcast Search function searches by TCP packet and not IP address, it doesn’t matter if the AWK-1121/1127
is configured as an AP or Client. In either case, APs and Clients connected to the LAN will be located, regardless
of whether or not they are part of the same subnet as the host.

1. Start the AWK Search Utility program. When the Login page appears, select the “Search AWK only”
option to search for AWKs and to view each AWK’s configuration. Select the “AWK management” option to
assign IPs, upgrade firmware, and locate devices.

2. Open the AWK Search Utility and then cl ic k the Search icon.

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3. The “Searching” window indicates the progress of the search. When the search is complete, all AWKs that
were located will be displayed in the AWK Search Utility w indo w .

4. Click Locate to cause the selected device to beep.

5. Make sure your AWK is unlocked before using the search utility’s icons setting. The AWK will unlock
automatically if the password is set to the default. Otherwise you must enter the new password manually.

6. Go to Tools  AWK login Options to manage and unlock additional AWKs.

7. Use the scroll down list to select the MAC addresses of those AWKs you would like to manage, and then click
Add. Key in the password for the AWK device and then click OK to save. If you return to the search page
and search for the AWK again, you will find that the AWK will unlock automatically.

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ATTENTION

For security purposes, we suggest you can change the AWK search utility login password instead of using the
default.

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To modify the configuration of the highlighte d AWK, click on the Web ico n to ope n the web conso le . This will
take you to the web console, where you can make all configuration changes. Refer to Chapter 3, “Using the Web
Console,” for information on how to use the web console.

Click on Telnet if you would like to use telne t to conf igure your AWKs.

Click Assign IP to change the IP setting.

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The three advanced options—Search, Connection, and Miscellaneous—are explained below:

Search

• Retry count (default=5): I ndica te s how many times the sear c h will b e retr ie d auto matically.

• Retry interval (ms): The time lapsed between retries.

Connection

• Connection time ou t (sec s) : Use this option to set the waiting time for the Default Login, Locate,
Assign IP, Upload Firmware, and Unlock to complete.

• Upgrade timeout (secs): Use this option to set the waiting time for the connection to disconnect while the
firmware is upgrading . Use this op tio n to set the waiting tim e fo r the Firmw are to write to flash.

Misc.

Search on start: Checkmark this box if you would like the search function to start searching for devices after

you log in to the AWK search Utility.

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OnCell Windows Driver Manager

The AWK-1127 uses the same RealCom serial driver as Moxa’s OnCell cellular gateways. The below section
describes how to use the OnCell Windows Driver Manag er to cre ate a virtua l COM port for the AWK-1127 i n
RealCom mode.

Installing OnCell Windows Driver Manager

OnCell Windows Driver Manager is intended for use with AWK-1127 serial ports that are set to RealCOM mode.
The software manages the installation of drivers that allow you to map unused COM ports on your PC to serial
ports on the AWK-1127. These drivers are designed for use with Windows
98/ME/NT/2000/XP/2003/Vista/2008. When the drivers are installed and configured, devices that are attached
to serial ports on the AWK-1127 will be treated as if they were attached to your PC’s own COM ports.

1. Click the INSTALL COM Driver button in the OnCell Installation CD auto-run window to install the OnCell
Windows Driver. Once the installation pr og r a m star ts running, click Yes to proceed.

2. Click Next when the Welcome screen opens, to proceed with the installatio n.

Click Next to install program files to the default directory, or click Browse to select an alternate location.

3. Click Next to install the program’s shortcuts in the appropriate Star t Menu fold er .

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4. Click Next to proceed with the installation. The installer then displays a summary of the installation options.

5. Click Install to begin the installation. The setup window will report the progress of the installation. To
change the installation settings, clic k Back and navigate to the previous screen. On Windows XP, the
installer will display a message that the sof twar e has not passed Wind ow s Logo tes ting . This is s how n as
follows:

Click Continue Anyway to finish the installation.

6. Click Finish to complete the installation of the OnCell Windows Driver Manager.

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Using OnCell Windows Driver Manager

After you install OnCell Windows Driver Manager, you can set up the AWK-1127 ’s serial ports as remote COM
ports for your PC host. Make sure that the serial port(s) on your AWK-1127 are set to RealCOM mo de when
mapping COM ports with OnCell Windows Driver Manager.

1. Go to Start  OnCell Windows Driver Manager  OnCell Windows Driver Manager to start the COM
mapping utility.

2. Click the Add icon.

3. Click Rescan to search for the AWK-1127. From the list that is generated, select the server that you will
map COM ports to, and then click OK.

Alternatively, for RealCOM mode, you can select Input Manually and then manually enter the
AWK-1127 ’s IP Type. To do this, select LAN type, followed by 1st Dat a Port, and 1st Command Port for
the COM ports that will be mapped to. Click OK to proceed to the next step. Note that the Add OnCell page
supports FQDN (Fully Qualified Domain Name), in which case the IP address will be filled in automatically.

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4. COM ports and their mappings will appear in blue until they are activated. Activating the COM ports saves
the information in the host system registry and makes the COM port available for use. The host computer
will not have the ability to use the COM port until the COM ports are activated. Click Yes to activate the COM
ports at this time, or click Cancel to activ ate the COM por ts late r.

5. When using Window s XP, a message is dis p l ayed d uring the activation of each port, indicating that the
software has not passed Windows Logo certific ati o n. C li ck Continue Anyway to proceed.

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6. Ports that have been activ ated will appear in black.

7. Click on the created COM port to select it. Then right click to select Basic Setting tab. On the Basic Setting
tab, use the COM Number drop-down list to select a COM number to be assigned to the AWK-1127’s serial
port that is being configured. Note that ports that are “in use” will b e labe l ed accor d i ng ly.

8. Click the Advanced Setting tab to modify Tx Mode, FIFO, Fast Flush, and other parameters.

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Tx Mode
Hi-Performance is the default for Tx mode. After the driver sends data to the AWK-1127 , the driver

immediately issues a “Tx Empty” response to the program. Under Classical mode, the driver will not send
the “Tx Empty” response until after confirmation is received from the AWK-1127 ’s serial port. This causes
lower throughput. Classical mode is re commend ed if you want to ensure that all data is sent out before
further processing.

FIFO

If FIFO is Disabled, the AWK-1127 will transmit one byte at a time when the Tx FIFO becomes empty, and
an Rx interrupt will be generated for each incoming byte. This will result in a faster response and lower
throughput.

Network Timeout
You can use this option to prevent blocking if the target OnCell is una v ai lab l e .

Auto Network Re-Connection

With this option enabled, the driver will rep e atedl y attem p t to re-es tab l is h the TCP connectio n if the
AWK-1127 does not respond to background “check alive” packets.

Return error if networ k is unavailable

If this option is disabled, the driver will not return any error even when a connection cannot be established
to the AWK-1127. With this option enabled, calling the Win32 Comm function will result in the error return
code “STATUS_NETWORK_UNREACHABLE” when a connection cannot be established to the AWK-1127.
This usually means that your host’s network connection is down, perhaps due to a cable being disconnected.
However, if you can reach other network devices, it may be that the AWK-1127 is not powered on or is
disconnected. Note that Auto Network Re-Connection must be enab led in order to use this function.

Fast Flush (only flushes the local buffer)
For some applications, the user’s program will use the Win32 “PurgeComm()” function before it reads or
writes data. After a program uses this PurgeComm() functi on, the O nCell dri v er continues to query the
OnCell’s firmware several times to make sure no data is queued in the OnCell firmware buffer, rather than
just flushing the local buffer. This desig n is used to satisfy so me spec i al cons iderations. However, it may
take more time (about several hundred milliseconds) than a native COM1 due to the additional time spent
communicating across the Ethernet. This is why Purg e Co mm() wor k s sig nific a ntly faster with native COM
ports on the PC than with mapped COM ports on the AWK-1127 . In order to accommodate o the r
applications that require a faster response time, the new OnCell driver implements a new Fast Flush option.
By default, this function is enabled.

If you have disabled Fast Flush and find that COM ports mapped to the AWK-1127 perform markedly slower
than when using a native COM port, try to verify if “PurgeComm()” functions are used in your application.
If so, try enabling the Fast Flush function and see if there is a sig nificant improvement in performance.

Auto IP Report: The functions applies to OnCell Series only and does not apply to the AWK-1127.

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9. The Serial Parameters tab in the following figure show the default settings when the AWK-1127 is
powered on. However, the program can redefine the serial parameters to different values after the program
opens the port with Win32 API.

10. Click the Security tab to configure security settings. Select the Enable Data Encrypti on option to enable
data to be encrypted when transmitted over the COM ports. After selecting the encryption option, select the
Keep connection option to start encrypting COM port communications immediately without restarting the
COM ports. (If your application opens and closes COM ports frequently and the AWK-1127 is only for one
host, you can enable this option to speed up the opening/closing time. However, this will result in your host
tying up the COM port so that other hosts cannot use it.).

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NOTE

After install

to

RealCOM

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11. To save the configuration to a text file, select Export from the COM Mapping menu. You will then be able
to import this configuration file to another host and use the same COM Mapping settings in the other host.

Moxa OnCell Linux Real TTY Driver

The AWK-1127 uses the same Real TTY serial driver as Moxa’s OnCell cellular gateways. The below section
describes how to use the OnCell Linux Real TTY Drive r to map a virtual tty port for the AWK-1127.

Basic Procedure

To map an AWK-1127 serial port to a Linux host’s tty port, follow these instructions:

1. Set up the AWK-1127. After verifying that the IP configuration works and you can access the AWK-1127 (by
using ping, telnet, etc.), configur e the des ire d seri al po r t on the AWK-1127 to RealCOM mode.

2. Install the Linux Real TTY drive r file s on the hos t.

3. Map the AWK-1127 serial port to the host’s tty port.

Hardware Setup

Before proceeding with the software installati o n, ma k e sur e you have comple te d the hardw are installation.
Note that the default IP address for the LAN interface of AWK-1127 is 192.168.127.253.

ing the hardware, you must configure the operation mode of the serial port on your AWK-1127

mode.

Installing Linux Real TTY Driver Files

1. Obtain the driver f ile from the included CD-ROM or the Moxa website, at http://www.moxa.com.

2. Log in to the console as a super user (root).

3. Execute cd / to go to the root directory.

4. Copy the driver file moxa_oncell_realtty.tgz to the / directory.

5. Execute tar xvfz moxa_oncell_realtty.tgz to extract all files into the system.

6. Execute /tmp/oncell_realtty/mxinst.
For RedHat AS/ES/WS and Fedora Core1, append an extra argume nt as follow s :
# /tmp/oncell_realtty/mxinst SP1

The shell script will install the drive r f ile s auto matic a lly.

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7. After installing the dri v er , yo u will be ab le to see sever al files in the /usr/lib/oncell_realtty/driver
folder:
> mxaddsvr (A dd Server, mapping tty port)
> mxdelsvr (Delete Server, un-mapping tty port)
> mxloadsvr (Reload Server)
> mxmknod (Create device node/tty port)
> mxrmnod (Remove device node/tty port)
> mxuninst (Remove tty port and driver files)
At this point, you will be ready to map the AWK-1127 serial por t to the system tty por t.

Mapping TTY Ports

Make sure that you set the operation mode of the desired AWK-1127 serial port to RealCOM mode. After
logging in as a super user, en ter t he dire ctory /usr/lib/oncell_realtty/driver and then execute mxaddsvr
to map the target OnCell serial port to the host tty ports. The syntax of mxaddsvr is as follows:

mxaddsvr [OnCell IP Address] [Total Ports] ([Data port] [Cmd port])

The mxaddsvr command performs the following actions:

1. Modifies oncellreald.cf.

2. Creates tty ports in dire c tor y /dev with ma jor & mino r number conf igured in oncellreald.cf.

3. Restarts the driver.

Mapping tty ports automatically

To map tty ports automatically, you may execute mxaddsvr with just the IP address and number of ports, as
in the following example:

# cd /usr/lib/oncell_realtty/driver
# ./mxaddsvr 192.168.3.4 1

In this example, one tty port will be added, with IP 192.168.3.4 , with da ta port 950 and com m a n d port 966.

Mapping tty ports manually

To map tty ports manually, you may execute mxaddsvr and manually specify the data and command ports, as
in the following example:

# cd /usr/lib/oncell_realtty/driver
# ./mxaddsvr 192.168.3.4 1 4001 966

In this example, one tty port will be added, with IP 192.168.3.4, with data port 4001 and command port 966.

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Removing Mapped TTY Port s

After logging in as root, enter the directory /usr/lib/oncell_realtty/driver and then execute mxdelsvr to
delete a server. The syntax of mxdelsvr is:

mxdelsvr [IP Address]

Example:

# cd /usr/lib/oncell_realtty/driver
# ./mxdelsvr 192.168.3.4

The following actions are performed when executing mxdelsvr:

1. Modify oncellreald.cf.

2. Remove the relevant tty ports in dire c tor y /d ev.

3. Restart the driver.

If the IP address is not provided in the command line, the program will list the installed servers and total ports
on the screen. You will need to choose a server from the list for deletion.

Removing Linux Driver Files

A utility is included that will remove all driver files, mapped tty ports, and unload the driver. To do this, you only
need to enter the directory /usr/lib/oncell_realtty/driver, then execute mxuninst to uninstall the driver.
This program will perform the following actions:

1. Unload the driver .

2. Delete all files and directories in /usr/lib/moxa_oncell

3. Delete directory /usr/lib/moxa_oncell

4. Modify the system initializ ing s c ript file.

Moxa OnCell UNIX Fixed TTY Driver

Installing the UNIX Driver

1. Log in to UNIX and create a directory for the Moxa TTY. To create a directory named /usr/etc, execute the
command:

# mkdir –p /usr/etc

2. Copy moxa_oncell_fixedtty.tar to the directory you created. If you created the /usr/etc directory
above, you would execute the following commands:

# cp moxa_oncell_fixedtty.tar /usr/etc
# cd /usr/etc

3. Extract the source f ile s from the tar file by exec uting the command:

# tar xvf moxa_oncell_fixedtty.tar

The following files will be extracted :

README.TXT
oncellttyd.c --- source code
oncellttyd.cf --- an empty configuratio n file
Makefile --- makefile
VERSION.TXT --- fixed tty driver vers i on
FAQ.TXT

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NOTE

The “Device Name” depends on the OS. See the Device Naming Rule sectio n in README.
information.

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4. Compile and Link
For SCO UNIX:

# make sco

For UnixWare 7:

# make svr5

For UnixWare 2.1.x, SVR4.2:

# make svr42

Configuring the UNIX Driver

Modify the configuration

The configuration used by the oncellttyd pr ogram is defined in the text file oncellttyd.cf, which is in the
same directory that contains the program oncellttyd. You may use vi, or any text editor to modify the file, as
follows:

ttyp1 192.168.1.1 950

For more configuration information, vie w the file oncellttyd.cf, which contains detailed descriptions of the
various configuration parame ters .

To start the oncellttyd daemon after system bootup, add an entry into /etc/inittab, with the tty name you
configured in oncellttyd.cf, as in the following example:

TXT for more

ts:2:respawn:/usr/etc/oncell_fixedtty/oncellttyd –t 1

Device naming rule

For UnixWare 7, UnixWare 2.1.x, and SVR4.2, use:

pts/[n]

For all other UNIX operating systems, use:

ttyp[n]

Starting moxattyd

Execute the command init q or reboot your UNIX operating system.

Adding an additional server

1. Modify the text file oncellttyd.cf to add an additional server. User may use vi or any text editor to modify
the file. For more configuration information, look at the file oncellttyd.cf, which contains detailed
descriptions of the various configuration parameters.

2. Find the process ID (PID ) of the progr am oncellttyd.

# ps -ef | grep oncellttyd

3. Update configuration of oncellttyd program.

# kill -USR1 [PID]

(e.g., if oncellttyd PID = 404, kill -USR1 404)

This completes the process of adding an additional se rv er.

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5

5. Other Console Considerations

This chapter explains how to access the AWK-1121/1127 for the first time. In addition to HTTP access , there
are four ways to access AWK-1121/1127: serial console, Telnet console, SSH console, and HTTPS console. The
serial console connection method, which requires using a short serial cable to connect the AWK-1121/1127 to
a PC’s COM port, can be us ed i f you do not know the AWK-1121/1127’s IP address. The other consoles can be
used to access the AWK-1121/1127 over an Ethernet LAN, or over the Internet.

The following topics are covered in this chapter:

RS-232 Console Configuration (115200, None, 8, 1, VT100)
Configuration by Telnet and SSH Consoles
Configuration by Web Browser with HTTPS/SSL
Disabling Telnet and Browser Access

AWK-1121/1127 Other Console Considerations

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ATTENTION

Do not use the

­If you need to connect the RS

your best solution.

NOTE

We recommend using
from Moxa

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RS-232 Console Configuration (11 5200, None, 8, 1, VT100)

The serial console connection method, which requires using a short serial cable to connect the AWK-1121/1127
to a PC’s COM port, can be used if you do not know the AWK-1121/1127’s IP address. It is also convenient to
use serial console configurations whe n you cannot acces s the AWK-1121/1127 over Ethernet LAN, such as in
the case of LAN cable disconnections or broadcast storming over the LAN.

48VDC), even though reverse voltage protection is supported.

Before running PComm Ter minal Emulato r, use an RJ45 to DB9-F (or RJ45 to DB25-F) cable to connect the
AWK-1121/1127’s RS-232 console port to your PC’s COM port (generally COM1 or COM2, depending on how
your system is set up). After installing PComm Ter minal Emulator, take the following steps to access the
RS-232 console utility.

1. From the Windows desktop , open the Star t menu and star t PComm Terminal Emulator in the PComm
(Lite) group.

2. Select Open under Por t Manager to ope n a new connection.

3. The Communica tion Param eter page of the Property window opens. Select the appropriate COM port for
Console Connection, 115200 for Baud Rate, 8 for Data Bits, None for Parity, and 1 for Stop Bits. Click on
the Terminal tab, and select VT100 (or ANSI) fo r Ter mina l Ty pe. Click on OK to continue.

RS-232 console manager when the AWK-1121/1127 is powered at reversed voltage (ex.

-232 console at rever sed volta ge, Moxa’s TCC-82 isolator is

Moxa PComm (Lite) Terminal Emulator , which c an be downloaded free of charge

’s website.

AWK-1121/1127 Other Console Considerations

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NOTE

To modify the appearance of the PComm Terminal Emulator window, select

and then choose the

desired formatting options.

ATTENTION

If you unplug the RS
network security.

NOTE

The

255.255.255.0

s properly, please check the network

settings of your PC host a

255.255.255.0.

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4. The Console login screen will appear. Log into the RS-232 console with the login name (def ault: admin)
and password (default: root, if no new password is set).

5. The AWK-1121/1127’s device information and Main Menu will be displayed. Please follow the description on
screen and select the administration option you wish to perform.

-232 cable or trigger DTR, a disconnection event will be evoked to enforce logout for

You will need to log in again to resume operation.

Edit  Font

Configuration by Telnet and SSH Consoles

You may use Telnet or SSH client to access the AWK-1121/1127 and manage the console over a network. To
access the AWK-1121/1127’s functions over the network from a PC host that is connected to the same LAN as
the AWK-1121/1127, you need to make sure that the PC host and the AWK-1121/1127 are on the same l ogical
subnet. To do this, check your PC host’s IP address and subnet mask.

AWK-1121/1127’s default IP address is 192.168.127.253 and the default subnet mask is

(for a Class C network). If you do not set these value

nd then change the IP address to 192.168.127.xxx and subnet mask to

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Follow the steps below to access the console utility v ia Telnet or SSH client.

1. From Windows Desktop, run Start  Run, and then use Telnet to access the AWK-1121/1127’s IP address
from the Windows Run window (you may also issue the telnet command from the MS-DOS prompt).

2. When using SSH client (ex . PuTTY), pl e as e run the client pr og ram (ex. putty.exe) and then input the
AWK-1121/1127’s IP addr ess, specifying 22 for the SSH connection port.

3. The Console login screen will appear. Please refer to the previous paragraph “RS-232 Console Configuration”
and for login and administratio n.

Configuration by Web Browser with HTTPS/SSL

To secure your HT TP access, the AWK-1121/1127 supports HTTPS/SSL encryption f or all HTTP traffic. Perform
the following steps to access the AWK-1121/1127’s web brows er inte rf a c e via HTTPS/S SL.

1. Open your web browser and type https://<AWK-1121/1127’s IP address> in the address field. Press Enter
to establish the connection.

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2. Warning messages will pop out to war n users that the security certific ate was issue d by a comp any they
have not chosen to trust.

3. Select Yes to accept the certificate issued by Moxa IW and then enter the AWK-1121/1127’s web browser
interface secured via HTTPS/SSL. (You can see the protocol in URL is https.) Then you can use the menu
tree on the left side of the window to open the function pages to access each of AWK-1121/1127’s functions.

Disabling Telnet and Browser Access

If you are connecting the AWK-1121/1127 to a public network but do not intend to use its management
functions over the network, then we suggest disabling both Telnet Console and Web Configuration. Please run

Maintenance  Console Settings to disable them, as shown in the following figure.

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A

A. References

This chapter provides more detailed informati o n abo ut w ire less -r e lated tec hnologies. The information in this
chapter can help you administer your AWK-1121/1127s and plan your industrial wireless network better.

The following topics are covered in this appendix:

Fragment
RTS threshold

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Fragment

A lower setting means smaller pack e ts , which w ill cre ate mor e packets for eac h trans mis s ion. If yo u have
decreased this value and experience high packet error rates, you can increase it again, but it will likely decrease
overall network performance. Only minor modifica tio ns of this value are recommended.

RTS threshold

RTS threshold (256-2346) – This setting determines how large a packet can be before the Access Point
coordinates transmission and reception to ensure efficient communication. This va lue should r emain at its
default setting of 2,346. When you encounter inconsistent data flow, only minor modifications are
recommended.

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B

B. Supporting Information

This chapter presents additional information about this manual and product. You can also learn how to contact
Moxa for technical support.

The following topics are covered in this appendix:

About This User’s Manual
DoC (Declaration of Conformity)

 Federal Communication Commission Interference Statement
 R&TTE Compliance Statement

Firmware Recovery

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NOTE

You can find out the hardware revision number of

The firmware version number can be seen on the

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About This User’s Manual

This manual is mainly designed for, but nto limited to, the following hardware and firmware for the
AWK-1121/1127:

• Hardware Rev: 1.0

• Firmware Ver: 1.5
You are strongly recommended to visit Moxa’s website (http://www.moxa.com) and find the latest product

datasheet, firmware, QIG (Quick Installation Guide), UM (User’s Manual) and re late d informatio n.

AWK-1121/1127 on the side label.

Overview page, as follows:

AWK-1121/1127 Supporting Info r ma t ion

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NOTE

The availability of some specific channels and / or operational frequency bands are country dependent and are
firmware p rogrammed at

factory to match the intended destination. The firmware setting is not accessible

by the end user.

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DoC (Declaration of Conformity)

Federal Communication Commission Interference Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in
a residential installation. This eq uip m e nt genera te s , uses, and can rad iate r adio frequency energy and, if not
installed and used in accordance with the instr uc tions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interferenc e to radio or telev is ion reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correc t the interf e re nc e by one of the
following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equip me nt and rec e iver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV techni c ian for hel p .
FCC Caution: To assure continued compliance, (example – use only shielded interface cables when connecting

to computer or peripheral devices). Any cha ng es or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate this equipment. This transmitter must not
be co-located or operated in conjunction with any other antenna or transmitter.

FCC Radiation Exposure Statement

This equipment complies with FCC radiation expo s ure limi ts set forth for an uncontrolled environment. This
equipment should be installed and oper ated with a minim um d i s tanc e of 20 cm between the radiator & your
body.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device mus t accept any interference received,
including interference that may cause undes ired operation.

FCC 15.407(e): Within the 5.15-5.25 GHz band, U-NII devices will be restricted to indoor operations to reduce
any potential for harmful interference to co-channel MSS operations.

the

R&TTE Compliance Statement

Moxa declares that the apparatus AWK-1121/1127 complies with the essential requirem e nts and other
relevant provisions of Directive 1999/5/EC.

This equipment complies with all the requirements of DIRECTIVE 1999/5/CE OF THE EUROPEAN PARLIAMENT
AND THE COUNCIL OF 9 March 1999 on radio equipment and telecommunication terminal equipment and the
mutual recognition of their conformity (R&T TE).

The R&TTE Directive repeals and replaces in the dire c tive 98/13/EEC (Telecommunications Terminal
Equipment and Satellite Earth Station Eq uip ment) as of Apr il 8, 2000.

Safety

This equipment is designed with the utmost care for the safety of those who install and use it. However, special
attention must be paid to the dangers of electric shock and static el e c tr ic i ty whe n wor king with electrical
equipment. All guidelines of this and of the computer manuf a c tur er mus t therefore be allowed at all times to
ensure the safe use of the equipment.

AWK-1121/1127 Supporting Info r ma t ion

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EU Countries Intended for Use

The ETSI version of this device is intended for home and of fice us e in Aus tria, B e lg i um, Denmar k , Finland,
France (with Frequency channel restrictions), Germany, Greece, Ireland, Italy, Luxembourg, Portugal, Spain,
Sweden, The Netherlands, and United Kingdom.

The ETSI version of this device is also authorize d for us e in EFTA member state s Nor w ay and Switzerland.

EU Countries Not Intended for Use

None.

Potential Restrictive Use

France: only channels 10, 11, 12, and 13.

Firmware Recovery

When the LEDs of FAULT, Signal Strength, CLIENT, BRIDGE and WLAN all light up simultaneously and
blink at one-second interval, it means the system booting has failed. It may result from some wrong operation
or uncontrollable issues, such as an unexpected shutd ow n dur ing firmware update. The AWK-1121/1127 is
designed to help administrators r ecover such damage and resume system operation rapid ly. You can ref er to
the following instructions to recover the firmware:

Connect to the AWK-1121/1127’s RS-232 console with 115200bps and N-8-1. You will see the following
message shown on the terminal emulator every one second.

Press Ctrl - C and the following message will appear.

Enter 2 to change the network setting. Specify where the AWK-1121/1127’s firmware file on the TFTP server
and press y to write the settings into flash memory.

AWK-1121/1127 restarts, and the “Press Ctrl-C to enter Firmware Recov ery Process…” message will reappear.
Press Ctrl-C to enter the menu and sele c t 1 to start the firmware upgrade process.

AWK-1121/1127 Supporting Info r ma t ion

B-5

www.ipc2u.ru

www.moxa.pro

Select 0 in the sub-menu to load the firmware image via LAN, and then enter the file name of the firmware to
start the firmware recovery.