OTC Wireless 802.11 Wireless Serial Solutions WiSER2400.IP, WiSER2400.Plus Technical Manual

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TECHNICAL MANUAL

For WiSER2400.IP WiSER2400.Plus

802.11 Wireless Serial Solutions

http://www.otcwireless.com

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Technical Manual

For WiSER2400.IP WiSER2400.Plus

802.11 Wireless Serial Solutions

Information in this document is subject to change without notice. Complying with all applicable copyright laws is the responsibility of the user. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of the seller. If, however, your only means of access is electronic, permission to print one copy is hereby granted.

The seller provides this documentation without warranty, term, or condition of any kind. The seller may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.

Other product and company names herein may be trademarks of their respective owners.

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TABLE OF CONTENTS

INTRODUCTION 4

1. Installation 6

1.2 Installation of WiSER2400 Administrative Software 9

1.3 Installation of VirCOM, the virtual serial COM port redirector 9

2. WiSER Deployment Strategies 10

2.1 Using the WiSER2400 in a Point-to-point Link 10

2.2 Using the WiSER2400 in a Point-to-multiple point Link 14

3. Using the WiSER 2400 Administration Software 18

3.1 Overview 18

3.2 Password Protection 20

3.3 Link Status 21

3.4 Configuration Page 22

3.5 Encryption 27

3.6 Statistics 28

3.7 Admin 29

APPENDIX 30

Troubleshooting 30

Limited Warranty 31

Regulatory Compliance 32

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IINNTTRROODDUUCCTTIIOONN

The WiSER2400.IP and the WiSER2400.Plus are IEEE 802.11b compliant devices with built-in serial interfaces. They are designed to allow nonwirelessly enabled serial devices to be connected and fully integrated into an

802.11 Network.

The WiSER2400 receives data from equipment with serial ports; converts the serial data into 802.11 compliant TCP or UDP data packets and transmits these packets wirelessly. Conversely, the WiSER can receive wireless packets, which it unpacks and delivers byte-by-byte to the destination equipment/device through a serial port.

The W iSER2400 requires no device driver and is operating system independent. They can be used with almost any type of equipment that uses a serial port, including (but not limited to) cash registers, electronic whiteboards and navigational instruments. Administration of the WiSER2400 is done through a Windows based administrative software program. The administration software can be used to configure the unit’s operating parameters, administrative and local network settings. It can also be used to monitor the unit’s communication link conditions.

Fig. 1 WiSER2400.IP

The WiSER2400.IP comes with an RS-232 interface and a built-in

2dBi antenna. It comes supplied with a 5V DC power adapter.

The W iSER2400.Plus provides the same functionalities as the

WiSER2400.IP. It has an RS-232 DB-9 connector as well as a miniPhoenix connector for RS-485/422 interfaces. It accepts 5V DC to 32V DC power supply that has to be provided for separately by the user. Input power connection is made through the mini-Phoenix connector. It also comes with a DIN rail mounting clip and plate assembly.

Note: Throughout this manual, the term WiSER2400 is used to

refer to both the WiSER2400.IP and the WiSER2400.Plus

Fig. 2 WiSER2400.Plus

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Key Features Specifications

Works with any 802.11b or 802.11g access point

Supports peer-to-peer networking with one another or any 802.11b/g

station devices

Supports TCP/IP and UDP networking over 802.11

Plug & Play operation—

o No driver on the host device is required o Operation independent of operating system on the host

equipment or device (W indows 98/NT/2000/ME/XP, Linux, Unix, embedded, etc.)

Supports 64-bit and 128-bit W EP encryption for secured

communication

11Mbps data rate and automatic selection of lower data rate (5.5, 2

and 1 Mbps) in degraded RF environment

Serial interface supports XON/XOFF, DTR/DSR (W iSER2400.IP and

WiSER2400.Plus) and RTS/CTS (WiSER2400.Plus) for both local

and remote hand-shake/flow control

Supports RS-232 interface (WiSER2400.IP)

Supports RS-232/485/422 interfaces, selectable by software

configuration (WiSER2400.Plus)

Compact integrated omni-directional-antenna (WiSER2400.IP)

Reverse-SMA RF connector for antenna attachment

(WiSER2400.Plus)

Microsoft-Windows-based administrative software

Protocols supported: TCP, UDP, ICMP, ARP

Comes with a virtual serial COM port redirector software, VirCOM

Model

WiSER2400.IP; WiSER2400.Plus

Standard

802.11 and 802.11b

Host Interface

RS232 (WiSER2400.IP) RS232/485/422 (WiSER2400.Plus)

Frequency

2.4GHz – 2.497GHz

RF Channels

11 channels (US, Canada), 13 channels (Europe, Japan)

Transmission power

16dBm at antenna input typical

RF Receiver sensitivity

-80dBm @1e-5 BER typical

Antenna

2 dBi integrated dipole antenna (WiSER2400.IP); ReverseSMA RF connector (WiSER2400.Plus)

Wireless Data Rate

11, 5.5, 2 or 1 Mbps fixed rate, or configured to automatic rate selection

Wireless Modulation

CCK, Direct Sequence Spread Spectrum

Wireless Link Distance

300 ~1200 ft (WiSER2400.IP, depending on environment); Link Distance for WiSER2400.Plus depends on antenna used

Wireless Network Types

Support infrastructure and ad-hoc station modes

Wireless Data Encryption

Support the standard 64-bit and the 128-bit WEP

Network Security

MAC-address-based access control

Serial Port Interface

Data Bit: 7/8; Parity: none/even/odd; Stop Bit: 1

Serial Data Rate

1200, 2400, 4800, 9600, 14.4K, 19.2K, 38.4K, 57.6K,

115.2K

Input Power

5VDC for W iSER2400.IP (adapter provided); 5VDC to 32 VDC for WiSER2400.Plus (to be supplied by user)

Current consumption

<480mA (max. reached in transmit-mode)

LED Indicators

4: Power, Transmission, Receiving, Link

Operating Temperature

-10°C – 50°C

Regulation Compliance

FCC part 15,Class B CE (ETSI EN 300 328-1, ETSI EN 301 489-17) IC

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1.1.1 Standard Hardware WiSER2400.IP WiSER2400.Plus

1 WiSER2400.IP radio

1 RS232-P cable 1 RS232-C cable 1 ac-dc power adapter 1 pair of Velcro mounting pads

1 WiSER2400.PLUS radio 1 DIN Rail Mounting Assembly

1.1.2 Power WiSER2400.IP WiSER2400.Plus

Uses 5V DC for input power. An AC-to-DC power

adapter is provided.

Uses 5V DC to 32V DC for input power (to be supplied by user). See Fig. 4 for an illustration on how to connect the power input to the mini-Phoenix connector.

1.1.3 Serial Connections WiSER2400.IP WiSER2400.Plus

The WiSER2400.IP has a built-in RJ-45 connector and uses an RJ-45 to DB-9 adapter cable for connecting to the serial port of a PC or a device. Two cables are included in the package:

The RS-232-P cable is for connecting the WiSER2400.IP to the RS232 port of DCE equipment (whiteboard, instrument, etc.) during communication. It terminates in a male DB-9 connector and is labeled “Board” on the cable.

The RS-232-C cable is for connecting the WiSER2400.IP to a computer or DTE equipment during configuration using the administrative software. It terminates in a female DB-9 connector and is labeled “Computer” on the cable

For RS-232 Connection

WiSER2400.Plus has a built-in DB-9 connector for RS-232 connection. User is to provide the proper RS232 cable for connection to a PC or a device.

Use a null-modem serial cable to connect the

WiSER2400.Plus to a PC.

Use a straight-thru serial cable to connect the

WiSER2400.Plus to a DCE device

For RS-485/422 Connection

Please refer to Fig. 4 for connecting the RS-485 and RS-422 data lines to the mini-Phoenix connector on the WiSER2400.Plus.

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1.1.4 Selecting the Serial Mode for WiSER2400.Plus

WiSER2400.IP

The WiSER2400.Plus has a 4-position dipswitch next to the mini Phoenix connector for selecting the serial operating mode:

RS-232 RS-485

(select RS-485 and half-duplex)

RS-422

(select RS-485 and full-duplex)

The factory default has the dipswitch set in the RS-232 mode. Please refer to Fig. 4 for details in setting the dipswitch for different operating modes.

1.1.5 Status LEDs

Power on the WiSER2400, the LEDs on the front panel should exhibit the following patterns:

(Refer to Fig. 3 and Fig. 4)

LED Color Light Blinking

Pattern

Indication

ON RED

Steady on

Proper power is supplied

Steady on

Unit is linked to a wireless system

RX GREEN

Steady blink

Unit is not linked to any wireless system

TX RED

On when transmitting

Unit is transmitting RF signal

LINK

YELLOW

Blinking

Serial Mode

Secure the WiSER2400 at the desired location with the provided Velcro (for WiSER2400.IP) or DIN Rail mounting kit (for WiSER2400.Plus) once the hardware is setup and works properly with the intended host device or equipment.

Fig. 3 WiSER2400.IP

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WiSER2400.Plus

This section describes the signals expected on the mini-Phoenix connector pins.

10-pin mini-Phoenix terminal

Pin:

1. DATA+(RS-485)

2. DATA- (RS-485)

3. N/C

4. TX+ (RS-422)

5. TX- (RS-422)

6. RX+ (RS-422)

7. RX- (RS-422)

8. N/C

9. V+ (Up to +32 VDC)

10. GROUND

DB 9 male connector

Pin:

1. DCD

2. RXD

3. TXD

4. DTR

5. Ground

6. DSR

7. RTS

8. CTS

9. -

Dip Switch

Location (from left to right)

1. #RS232/485 selector

2. #Full/Half duplex selector

3. 120 ohm termination -- 422 RX pair

4. 120 ohm termination -- 422 TX pair or 485 pair.

For 1 & 2

The level up position is high. The level down position is low.

For 3 & 4

The level up position is without terminator. The level down position is with terminator.

Fig. 4 WiSER2400.Plus

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1.2 Installation of WiSER2400 Administrative Software

1.3 Installation of VirCOM, the virtual serial COM port redirector

1.2.1 System Requirements 1.3.1 System Requirements

To support the W iSER2400 administrative software, the computer must meet the following minimum requirements:

Windows®98 (SE)/ NT/ ME/ 2000/ XP One COM port (with a DB-9 male connector or an appropriate

adapter to connect to a DB-9 female connector)

(Optional) A TCP/IP wireless network that connects the PC running

the administrative program and the W iSER2400 unit.

To support the WiSER2400 administrative software, the computer must meet the following minimum requirements:

W indows®98 (SE)/ NT/ ME/ 2000/ XP Active TCP/IP services

VirCOM files are under the VirCOM folder on the distribution CD-ROM.

1.2.2 Installation

1.3.2 Installation

To install the administrative program, simply insert the distribution CD-ROM into the CD-ROM drive. Copy the “wauti_nnnn.exe” file to the desired harddrive location on the PC (where ‘nnnn’ is a number).

Click on the setup.exe to install VirCOM.

See the VirCOM Technical Manual for the detail information on using VirCOM.

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2.1 Using the WiSER2400 in a Point-to-point Link

2.1.1 Using the WiSER2400 in a point-to-point link

Scheme 1

See Figure 5 (overleaf)

Connect the PC to an 802.11b/g access point, or use a PC with a

built-in 802.11b/g wireless LAN card.

Configure the WiSER2400 to match its serial parameters (baud rate,

parity bit, … etc.) with that of the serial device it is to be attached to. Configuration can be done by temporarily connecting the WiSER2400, by a serial cable or wirelessly, to a PC running the WiSER2400 administration software.

Configure the WiSER2400 to match up its TCP/UDP/IP settings

(listening port, destination IP address, … etc.) with that on the PC side for a TCP/IP or UDP/IP connection.

Configure the WiSER2400 to operate in the proper wireless network

type: Infrastructure mode for linking to an access point, or Ad-hoc

mode for linking with a PC with a built-in wireless LAN card. Attach the WiSER2400 to the serial device. Establish the wireless link between the PC and the WiSER2400. The system is now ready for running the application software on the

PC to control the serial device through the wireless link. If the application software on the PC can only communicate through

a serial COM port interface and does not support the standard

TCP/UDP/IP protocols through the network interface, the COM port

re-directing software program, VirCOM, will be needed to bridge the

application software to the TCP/UDP/IP network port.

Please refer to Section 3 of this manual as well as the VirCOM

Technical Manual for details on configuring the W iSER2400 and the

Virtual COM port re-directing software.

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Fig. 5

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2.1.2 Using the WiSER2400 in a point-to-point link

Scheme 2

See Figure 6 (overleaf)

Configure the WiSER2400 on the device side to match its serial

parameters (baud rate, parity bit, … etc.) with that of the serial device it is to be attached to. Configuration can be done by temporarily connecting the W iSER2400, by a serial cable or wirelessly, to a PC running the WiSER2400 administration software.

Similarly, configure the serial parameters of the WiSER2400 on the

PC side so that it can communicate with the PC.

Configure the WiSER2400s on either side of the link to match up

their TCP/UDP/IP settings (listening port, destination IP address, … etc.) for a TCP/IP or UDP/IP connection.

Configure the WiSER2400s on both sides to operate in the Ad-hoc

mode. Attach the WiSER2400s to the serial device and the PC. Establish the wireless link between the PC and the W iSER2400. The system is now ready for running the application software on the

PC to control the serial device through the wireless link.

Please refer to Section 3 of this manual for details on configuring the

WiSER2400.

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Fig. 6

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2.2 Using the WiSER2400 in a Point-to-multiple point Link

2.2.1 Using the WiSER2400 in a point-to-multiple point link

Scheme 3

See Figure 7 (overleaf)

Connect the PC to an 802.11b/g access point, or use a PC with a

built-in 802.11b/g wireless LAN card.

Configure each WiSER2400 to match its serial parameters (baud

rate, parity bit, … etc.) with that of the serial device it is to be attached to. Configuration can be done by temporarily connecting the WiSER2400, by a serial cable or wirelessly, to a PC running the WiSER2400 administration software.

Configure each WiSER2400 to match up its UDP/IP settings

(listening port, destination IP address, … etc.) with that on the PC side for a UDP/IP connection. Configure the PC side to operate in UDP broadcast mode. Enable each WiSER2400 to receive UDP broadcasts.

Configure the WiSER2400s to operate in the proper wireless

network type: Infrastructure mode for linking to an access point, or Ad-hoc mode for linking with a PC with a built-in wireless LAN

card. Attach the WiSER2400s to the serial devices. Establish the wireless link between the PC and the WiSER2400s. The system is now ready for running the application software on

the PC to control the serial devices through the wireless link. If the application software on the PC can only communicate

through a serial COM port interface and does not support the

standard TCP/UDP/IP protocols through the network interface, the

COM port re-directing software program, VirCOM, will be needed

to bridge the application software to the TCP/UDP/IP network

port.

Please refer to Section 3 of this manual as well as the VirCOM

Technical Manual for details on configuring the WiSER2400 and

the Virtual COM port re-directing software.

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Fig. 7

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2.2.2 Using the WiSER2400 in a point-to-multiple point link

Scheme 4

See Figure 8 (overleaf)

Configure each WiSER2400 on the device side to match its serial

Similarly, configure the serial parameters of the WiSER2400 on the

PC side so that it can communicate with the PC.

Configure the WiSER2400s on either side of the link to match up

their UDP/IP settings (listening port, destination IP address, … etc.) for a UDP/IP connection. Enable the WiSER2400 on the PC side to send UDP broadcasts. Enable each W iSER2400 on the device side to receive UDP broadcasts.

Configure the WiSER2400s on both sides to operate in the Ad-hoc

mode.

Attach the WiSER2400s to the serial device and the PC. Establish the wireless link between the PC and the W iSER2400. The system is now ready for running the application software on the

PC to control the serial devices through the wireless link.

Please refer to Section 3 of this manual for details on configuring the WiSER2400.

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Fig. 8

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3.1 Overview

This chapter describes the functionality and operations of the WiSER2400 Diagnostic and Configuration administrative software program. The WiSER2400 administrative program is supported on Microsoft Windows® 98(SE), NT, Millennium, 2000, and XP.

To use the administrative program to monitor and configure the WiSER2400, the PC can be connected to the WiSER2400 either directly through the serial port by cable or via a wireless network connection.

A connection selection window will pop up as shown on the right when the administrative program starts.

Once the connection selection is chosen, the administrative program will display an interface as shown in Fig. 10 and Fig. 11 respectively, depending on whether the PC is connected to the W iSER2400 by serial port, or by a wireless connection.

Warning: The administrative program in serial port connection

mode will not work if another RS232 application program is set to use the same COM port. Make sure that no other application is connected with the COM port when starting the administrative program. In Windows, any connection with a COM port is exclusive.

3.1.1 The Tabs

There are five Tabs in the administrative software interface window:

Link Status Configuration Encryption Statistics Administration

Each will be covered in detail below.

Fig. 9 WiSER2400 administration connection dialog panel

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Fig. 10 Administrative software dialog with a PC connected to the

WiSER2400 via a serial cable

Fig. 11 Administrative software dialog with a PC connected to the

WiSER2400 wirelessly.

Fig. 10 shows the administrative program interface when the PC is connected with the WiSER2400 through the serial port by a cable. The user first needs to select the proper COM port on the PC and its baud rate, byte size, and parity (as shown in the top of Fig. 10) to match those of the WiSER2400 before clicking on the “Connect” button to establish communication link between the administrative program and the W iSER2400 unit.

Defaults: Baud Rate: 9600 / Data bits: 8 / Parity: none

Alternatively, the user can click on the “Detect…” button (as shown in the bottom of Fig. 10) to have the software automatically detect the RS232 parameter settings of the W iSER2400 at a given COM port. The connection between the PC and the WiSER2400 will be automatically made when the administrative software succeeds in correctly detecting the parameter settings of the WiSER2400. Once the connection is made, the Connect button will turn into a Disconnect button. Simply click on the “Disconnect” to terminate the link between the PC and the WiSER2400.

Fig. 11 shows the administrative program interface when the PC is wirelessly connected to the WiSER2400. To connect the PC to the WiSER2400 via wireless networking, one needs to make sure that the W iSER2400 and the PC running the administrative software are on the same subnet.

The default IP settings for the WiSER2400 are:

IP address: 192.168.11.191 Subnet mask: 255.255.255.0

The administrative program, when started in the wireless connection mode, will automatically scan for all the available WiSER2400 units on the network. Alternatively, the user can force a scan by clicking the “Get MAC/IP” button as shown in the top of Fig. 4b. The scan results will be displayed in a pull-down list. The user then selects from the menu for the unit to be configured or monitored.

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3.2 Password Protection

Before any change/modification can be made to the configuration of a WiSER2400, a password must be submitted before the configuration command is executed.

After entering the password, click “OK” to proceed “Cancel” to stop.

The Password Utility is also used to add or change a password for a WiSER2400 unit.

Fig. 12 W iSER2400 Password Utility panel

NOTE: The default password of WiSER2400 is none. (Leave the field blank).

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3.3 Link Status

The Link Status page displays wireless link information such as SSID (of the access point the W iSER2400 is connected with, or the group ID in an ad-hoc peer-to-peer network), the firmware version and release date, role of the radio, RF channel, port status, link quality, and signal strength.

Use the

Refresh button to retrieve/update the Link Status information.

Fig. 13 W iSER2400 administration software Link Status panel

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3.4 Configuration Page

The Configuration page has four sections:

Serial Port Serial IP Proxy W ireless Port Peer Host

After selecting the desired section, click on the

Refresh button at the

bottom of the page to bring up the current settings. After changing the settings, use the Apply button to save the new settings to the WiSER2400.

Fig. 14 W iSER2400 administration software

Configuration/Serial Port panel

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3.4.1 Serial Port

(Refer to Fig. 14 on previous page).

Serial Parameter

Baud rate: for setting the baud rate of the W iSER2400’s serial

port. Supported values: 1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, and 115200 bps.

Default value: 9600 bps

Parity Bit: for setting the error-checking bit. Supported values:

“None”, “Even”, and “Odd”

Data Bit: for setting the number of bits in the data section.

Supported valued: 7 and 8.

Stop Bit: supported value: 1.

Flow Control: for setting local flow control option for the serial

connection. Supported modes: None, XON/XOFF and Hardware flow control.

Serial Interface

The WiSER2400.IP supports RS-232 serial interface. The WiSER2400.Plus supports RS-232/485/422 serial interfaces.

Data Packetizing

Start Frame Byte(s): This value specifies a special character or characters

that signals the start of a data-string. Range from 0x00 to 0x1F and options of “None” and “Other”. If “none” is selected, there would be no Start Frame Byte. If “Other” is selected, the user can configure a Start Frame Byte of up to six bytes.

Default value: none

End Frame Byte: This value specifies the character that signals the end

of a data-string, and the data would be sent to the destination unit right after the radio receives the designated character. Range 0x00 to 0x1F.

Default value: 0x0D = Carriage Return

If the user specifies ‘None’ (or leaves the field blank),

this will signify that there is no End Frame Byte and data will be sent immediately once the WiSER2400 receives the next Start Frame Byte.

Max Bytes/Pkt: This value specifies the maximum number of bytes

the WiSER2400 will hold before they are sent off.

Range: 1 to 200 bytes.

Default value: 200 bytes

Serial Mode

Data Only Mode: When this mode is activated, the WiSER2400 serial

port would accept only communication data traffic and ignore the configuration command. This mode will stop the communication between the administrative software and the W iSER2400. To regain the access to the WiSER2400 for administration, refer to the Troubleshooting Section for recovery instructions.

Default value: Data Only Mode

Data and Command Mode:

In this mode, the WiSER2400 serial port accepts both

communication data traffic and the administration commands.

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3.4.2 Serial-IP-Proxy

MAC Address: the MAC address of the W iSER2400. This field is not

modifiable.

DHCP Enable: Allows the WiSER2400 to obtain IP address from a

DHCP server.

IP Address: The IP address of the WiSER2400, user configurable.

Listen Port: The port number used by the WiSER2400 to

communicate. This is the source port number in the TCP/UDP packets sent from this WiSER2400. Default value: 8002.

Subnet Mask: For configuring the subnet mask settings.

Gateway: For specifying the IP address of the Gateway.

Protocol

TCP (Client): For setting the WiSER2400 as a TCP Client.

TCP (Server): For setting the W iSER2400 as a TCP Server.

UDP: For setting up the WiSER2400 to run UDP protocol:

Receive Broadcast Packet: Optional operation mode to enable the

WiSER2400 to receive UDP broadcast packets.

Send Serial Data Broadcast:

Optional operation mode to enable the data

received from the WiSER2400 serial port to be transmitted wirelessly as UDP broadcast packets.

Note: The WiSER2400 can only operate in either UDP

mode or TCP mode, but not in both modes simultaneously.

Fig. 15 W iSER2400 administration software

Configuration/Serial-IP-Proxy panel

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3.4.3 Wireless Port

Wireless Settings

SSID: The SSID of the access point the WiSER2400 is

to be associated with; or the peer-to-peer group ID when the WiSER2400 is operated in the adhoc mode. Maximum: 32 characters. A blank entry is allowed. W hen left blank, the WiSER2400 would interpret it as ‘ANY’ and will try to join any available open wireless network.

Network Type:

Infrastructure mode: for the WiSER2400 to be connected to an

access point.

Ad-Hoc mode:

for the WiSER2400 to join a peer-to-peer

wireless network.

Default value: Infrastructure.

Channel: For setting the RF channel of the W iSER2400

when operated in the “Ad-Hoc” mode.

Supported value: 1 to 11 (US)

1 to 13 (International).

Advanced Wireless Settings

Transfer Rate: For setting up the wireless data transmission

rate. Six choices available in the pull-down menu.

Fragmentation Threshold: For setting up the fragmentation threshold for the

wireless packet. Default value: 2436. Lower value recommended for operation in a noisy RF environment.

RTS Threshold:

For setting up the RTS threshold for the wireless

packet. Lower value recommended for operation in a network with potential hidden-nodes problems.

Fig. 16 W iSER2400 administration software

Configuration/Wireless Port panel

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3.4.4 Peer Host

Destination Unit

MAC Address: The MAC address of the destination device.

IP Address: The destination IP address of the device that the

WiSER2400 radio is set to communicate with. For TCP server and UDP modes, the IP Address can be left as

0.0.0.0. In TCP client mode, a valid IP address is required.

Listen Port: The port number the destination device listens on to

receive the TCP/UDP packets.

Note: The Peer Host is normally the computer on which the

serial device’s application program is run.

Fig. 17 W iSER2400 administration software

Configuration/Peer Host panel

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3.5 Encryption

The WiSER2400 supports Wired Equivalent Privacy (WEP) security for both 64-bit and 128-bit encryptions. The Encryption page contains two sections:

3.5.1 Encryption

This section allows the user to choose from three encryption options: 64 bits, 128 bits or none (disabled). The W iSER2400 uses the

shared key scheme

when either 64 or 128-bit key is selected.

Once the type of encryption is selected, use the following section as a guideline on setting up encryption:

3.5.2 WEP Keys Creation

This section allows the user to generate the W EP encryption keys.

Notes:

There are 24 pre-fixed bits in either 64 or 128-bit encryption key. For 64-bit encryption, there are 10 hexadecimal characters (40-bits) that need to be generated by the user

(example: 0A1B2C3D4E); for 128-bit encryption there

are 26 hexadecimal characters (104 bits) to be generated

(example:

12345678901234567890ABCDEF).

There are two ways to generate the encryption key. One is to use Pass Phrase automatically generate the key. Or, the user can manually input the keys in the Manual Entry fields.

For automatic key generation, select Pass phrase and enter an arbitrary combination of continuous alphanumerical characters into the Pass phrase field. The maximum length allowed for the character string is 64. Click the

Apply button to save the encryption key setting.

To manually generate the key, select Manual Entry and enter the hexadecimal numbers to the fields for Key 1 to Key 4. Click the Apply button to save the encryption key setting.

The remaining fields in the Encryption page are described below.

Deny Unencrypted Data Frames: if checked, the WiSER2400 will

block unencrypted data frames from being received.

Transmission key: For selecting a key from Key 1 to Key 4 for

transmission encryption. The default key is set to Key 1. The WiSER2400 will receive wireless packets encrypted with any key from Key 1 to Key 4.

WEP key factor: Allows the user to choose how many frames the

Initialize Vector (IV) is reused for. Four options are available: Every frame, Every 10 frames, Every 50 frames and Every 100 frames. The default is Every 100 frames.

When the Apply button is clicked, the program validates all entered data and prompts the user to re-enter the data if any of the entries are invalid. If all of the data is valid, it will be applied to the radio unit.

Fig. 18 W iSER2400 administration software Encryption panel

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3.6 Statistics

The statistics of the data traffic through both the serial (COM) port and the wireless link is displayed in this page. Use the Refresh button located at the bottom of the page to retrieve/update the most current statistics.

3.6.1 RS232 Statistics:

COM Sent: The total number of bytes sent by the WiSER2400

through the serial (COM) port.

COM Received: The total number of bytes received by the

WiSER2400 through the serial (COM) port, including:

o Without error: Total number of bytes received without error. o Break Detect error: Total number of bytes received with break

detects error.

o Frames error: Total number of bytes received with frame error. o Overrun error: Total number of bytes received with overrun error. o Frames Discard: The total number of data frames that were

received from the serial (COM) port but were discarded by the WiSER2400 before being able to be transmitted out wirelessly, usually due to buffer overflow.

3.6.2 WLAN Statistics:

Transmitted Frames: The total number of Uni-cast Frames and

Broadcast Frames successfully transmitted wirelessly from the WiSER2400.

Transmitted Retried Frames: Total number of Single Retry Frames

and Multi Retry Frames transmitted from the W iSER2400.

Transmitted Octets: The total number of bytes successfully

transmitted from the WiSER2400 including Uni-cast Octets and Multicast Octets

Received Frames: The total number of Uni-cast Frames and

Multicast Frames successfully received by the W iSER2400.

Received Error Frames: The total number of wireless data frames

received by the WiSER2400 with errors, including: Discard-NoBuffer, Discards-Wrong-SA, Discard-W ep-Undecryptable, and Frame-Check-Sequence Errors.

Received Octets: The total number of bytes successfully received by

the WiSER2400, including Uni-cast Octets and Multicast Octets.

Fig. 19 W iSER2400 administration software Statistics panel

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3.7 Admin

Under this tab users will find tools for Administrative settings:

Change Password: Used for changing the password. Please keep a safe

record of changed passwords as losing the password could prohibit future changes to the unit’s configuration.

Set Factory Default: This function resets all of the WiSER2400’s settings

back to its factory defaults. To prevent unauthorized tampering with a WiSER2400’s settings, in order for this feature to function, the software will require the user to enter the WISER2400’s assigned password.

Default password: none (leave blank)

If the unit’s set password has been lost and the WiSER2400 has to be reconfigured or set back to its default state, contact OTC Technical Support for assistance.

Reboot Unit: Applying this action will cause the W iSER2400 to

reboot.

Fig. 20 W iSER2400 administration software Admin panel

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AAPPPPEENNDDIIXX

Troubleshooting

Blank Pages Appear When Opening the Administrative Program

This is possibly due to the unavailability of the COM port. Check the Connection and Status fields at the bottom of the program’s main window. Press the Connect button again to see if the status indicates “Connected.” If not, check to see if you have another program running that accesses (or protects) the same COM port.

No Radio Link

If the Link Quality indicator in the Radio Status panel shows 0%, check the following for possible causes:

• Make sure that the Signal Strength indicator under Radio Status panel is not zero. A minimum of 20% is recommended. If the “Signal Strength” is less than 20%, the distance between the WiSER2400 and the targeted AP m ay be too far. Decrease the distance between the radio pair to see if the radio link can be improved.

• Make sure that the encryption keys are entered correctly if W EP encryption is enabled.

• Make sure that there is no RF interference present in the radio network.

No Data Transfer While the Radio Link is Good

If the Link Quality indicator shows good link quality, but the host computer/equipment cannot properly exchange data:

• Make sure the RS232 cables are properly connected to the radio and computer/equipment.

• Make sure that the RS232 cables in use are not defective.

• Make sure that the COM port on the computer/equipment is available and not

used by another active program/process.

• Retrieve the “Configuration” information of the WiSER2400 by click on the “Refresh” button. Make sure that the “IP setting” on the “Configuration” tab are correct: IP addresses, port numbers, etc. A very clear indicator that shows that there is a connection between the WiSER2400 radio and the intended destination device is the “Dest unit’s MAC address” field. After clicking the “Refresh” button a few times while the “Configuration” tab is selected, this field should show the MAC address of the destination unit. If this does not work, check the IP address settings.

Poor Link Quality

If the Signal Strength indicator is reasonably high (>20%) and the Link Quality is not zero, but stays in the Poor range, it could be due to one of the following reasons:

• Make sure that radio interference is not present in the radio network.

• Make sure that the radio is not surrounded by many strongly reflecting

(metallic) surfaces. With multiple reflecting surfaces between the radio in question and the target radio, a severe multi-path problem may introduce high bit error rate despite a strong Signal Strength.

• Make sure that there is no severe packet collision caused by a “hidden node” problem. A “hidden node” problem is a situation where the RF signal from two or more Station radios cannot reach each other (but can reach the AP) (i.e. The Bridge stations have no awareness of/cannot detect the existence of the other station). In such situations, m ultiple Stations may attempt to transmit data packet to the AP at the same time and cause packet collision. To solve this problem, re-arrange the problematic Stations so that their RF signals are mutually sensible to all Stations. There is no guarantee that the packet collision can be entirely eliminated, but the severity can be reduced enough to see visible improvement of the link quality.

Radio Interference

You may be able to minimize RF interference by doing the following:

• Although the WiSER2400, when properly configured, will seek a clear channel to use, it cannot avoid interference if too many 2.4GHz interference sources are present. A “clear” channel should be at least 20MHz, but preferably 30MHz, apart from any other channel in use. Find out what other usages are in use in the vicinity and try to coordinate channel assignments with other users.

• Reseat the WiSER2400 radio to a location where the interference is minimized; in general, increasing the distance between radio pairs may cause radio interference.

• Avoid using 2.4GHz cordless phone in the vicinity of the radios.

• Keep the computer with the WiSER2400 radio away from the microwave oven

and large metal objects.

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Limited Warranty

Recovering from the Data Only Mode

There are two approaches for recovering the W iSER2400 radio from the Data Only Mode. First is to use the Administrative software under wireless connection since the WiSER2400 radio will still take configuration command from the wireless port even when it is running Data Only Mode. Use the alternative approach if the WiSER2400 can only be linked through a serial connection. The instruction for the alternative approach is given below.

1. Have the WiSER2400 radio connected to the COM port of the PC

2. Start the Administrative software running the serial connection mode

3. Power up or power cycle the WiSER2400 radio unit

4. Within 10 seconds after the WiSER2400 has powered up, use the Connect button in the administrative software to establish a serial link with the WiSER2400 radio

5. Once the link between the configuration program and the WiSER2400 radio is established, the user can start reconfiguring the WiSER2400 radio.

Technical Support

If problems are still not resolved, please contact our Technical Support to obtain further assistance.

Current contact information will be on our Web site:

http://www.otcwireless.com

The seller warrants to the end user (“Customer”) that this product will be free from defects in workmanship and materials, under normal use and service, for one (1) year from the date of purchase from the seller or its authorized reseller. The seller’s sole obligation under this express warranty shall be, at the seller’s option and expense, to repair the defective product or part, deliver to Customer an equivalent product or part to replace the defective item, or if neither of the two foregoing options is reasonably available, The seller may, in its sole discretion, refund to the Customer the purchase price paid for the defective product.

All returns must be authorized by OTC W ireless, Inc. and accompanied by a Return Materials Authorization (RMA).

All products that are replaced will become the property of the seller. Replacement products may be new or reconditioned.

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Regulatory Compliance

FCC Part 15 Declaration of Conformity (DoC)

The equipment is confirmed to comply with the requirements of FCC Part 15 rules. The operation is subject to the following two conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may cause undesired operation.

FCC ID: MKZ0207232XG

FCC Rules and Regulations - Part 15

Warning: This device has been tested and found to comply with the limits for a Class B

digital device pursuant to Part 15 of the Federal Communications Commissions Rules and Regulations. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, 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 interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the following measures:

• Relocate your WLAN equipped laptop computer.

• Increase the separation between the WLAN equipped laptop computer and

other electronics.

• Connect the WLAN equipped laptop computer into an outlet on a circuit different from that of other electronics.

• Consult the dealer or an experienced radio/TV technician for help.

Caution: Changes or modifications not expressly approved by OTC Wireless could

void the user’s authority to operate the equipment.

FCC Radiation Exposure Statement

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

European Community (EC) Directives Conformity and Restrictions

This product is in conformity with the protection requirements of EC Council directives 89/336/EEC, 73/23/EEC, and 1999/5/EC on the approximation and harmonization of the laws of the Member States relating to electromagnetic compatibility, safety of electrical equipment designed for use within certain voltage limits and on radio equipment and telecommunications terminal equipment.

The CE marking indicates compliance:

This product satisfies the radio spectrum requirements of EN 300 328-1, the EMC requirements of EN 301 489-17 and the safety requirements of EN 60950.