Lantronix 900-618 User Manual

xPico

User Guide

Part Number 900-618

Revision B J anu ary 2013

Copyright and Trademark

© 2013 Lantronix. All rights reserved. No part of the contents of this book may be
transmitted or reproduced in any form or by any means without the written permission
of Lantronix.

DeviceLinx®, xPico™ and DeviceInstaller ™ are trademarks of Lantronix.
Ethernet is a trademark of XEROX Corporation. UNIX is a registered trademark of

The Open Group. Windows is a trademark of Microsoft Corp.

Warranty

For details on the Lantronix warranty policy, please go to our Web site at

www.lantronix.com/support/warranty.

Contacts

Lantronix Corporate Headquarters

167 Technology Drive
Irvine, CA 92618, USA

Toll Free: 800-526-8766
Phone: [phone]
Fax: [phone]

Technical Support
Online:

Sales Offices
For a current list of our domestic and international sales offices, go to the Lantronix
web site at

www.lantronix.com/support

www.lantronix.com/about/contact

xPico User Guide 2

Date

Rev.

Comments

April 2012

A

Initial release for firmware version 6.8.0.0.

January 2013

B

Updated for firmware version 6.8.0.3.

Disclaimer

Operation of this equipment in a residential area is likely to cause interference, in
which case the user, at his or her own expense, will be required to take whatever
measures may be required to correct the interference.

Note: This product has been designed to comply with the limits for a Class B digital

device pursuant to Part 15 of FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio frequency energy, and if not
installed and used in accordance with this guide, may cause harmful interference to
radio communications.

Changes or modifications to this device not explicitly approved by Lantronix will void
the user's authority to operate this device.

Note: With the purchase of xPico, the OEM agrees to an OEM firmware license

agreement that grants the OEM a non-exclusive, royalty-free firmware license to use
and distribute the binary firmware image provided, only to the extent necessary to
use the xPico hardware. For further details, please see the xPico OEM firmware
license agreement.

Revision History

For the latest revision of this product document, please check our online
documentation at

www.lantronix.com/support/documentation.

xPico User Guide 3

Table of Contents

Copyright and Trademark ............................................................................................. 2

Warranty ....................................................................................................................... 2

Contacts........................................................................................................................ 2

Disclaimer ..................................................................................................................... 3

Revision History ............................................................................................................ 3

List of Tables ................................................................................................................ 8

List of Figures ............................................................................................................... 8

1. Using This Guide 9

Purpose and Audience ................................................................................................. 9

Chapter Summary ........................................................................................................ 9

Additional Documentation........................................................................................... 10

2. Introduction 11

Capabilities ................................................................................................................. 11

Applications ................................................................................................................ 11

Protocol Support ......................................................................................................... 12

Configuration Methods ............................................................................................... 12

Addresses and Port Numbers .................................................................................... 12

Hardware Address ............................................................................................... 12

IP Address ............................................................................................................ 13

Port Numbers ....................................................................................................... 13

Product Information Label .......................................................................................... 13

3. Using DeviceInstaller 14

Installing DeviceInstaller ............................................................................................. 14

Assigning an IP Address ............................................................................................ 14

Accessing the xPico Using DeviceInstaller ................................................................ 15

Viewing the Current Configuration ............................................................................. 15

4. Configuration Using Web Manager 18

Accessing Web-Manager Using DeviceInstaller ........................................................ 18

Network Configuration ................................................................................................ 19

Network Mode ...................................................................................................... 20

Automatic IP Address Configuration .................................................................... 20

Static IP Address Configuration ........................................................................... 21

Ethernet Configuration ......................................................................................... 21

xPico User Guide 4

Table of Contents

Server Configuration ................................................................................................... 22

Server Configuration ............................................................................................ 23

Advanced ............................................................................................................. 23

Host List Configuration ............................................................................................... 23

Retry Settings ....................................................................................................... 24

Host Information ................................................................................................... 24

Channel 1 and 2 Configuration ................................................................................... 24

Serial Settings ...................................................................................................... 25

Connection Settings - TCP .................................................................................. 27

Connection Settings - UDP .................................................................................. 30

Configurable Pin Settings ........................................................................................... 32

Configurable Pin Functions .................................................................................. 32

Apply Settings ............................................................................................................. 33

Apply Defaults ............................................................................................................ 33

5. Configuration via Telnet or Serial Port (Setup Mode) 34

Accessing Setup Mode ............................................................................................... 34

Telnet Connection ................................................................................................ 34

Serial Port Connection ......................................................................................... 35

Exiting Setup Mode .................................................................................................... 36

6. Setup Mode: Server Configuration 37

Server Configuration (Option 0) ................................................................................. 37

IP Address .................................................................................................................. 37

Set Gateway IP Address ............................................................................................ 38

Netmask: Number of Bits for Host Part ...................................................................... 38

Set DNS Server IP Address ....................................................................................... 38

Change Telnet/Web-Manager Password ................................................................... 38

DHCP Name ............................................................................................................... 39

7. Setup Mode: Channel Configuration 40

Channel 1 (Option 1) or Channel 2 (Option 2) ........................................................... 40

Baudrate ..................................................................................................................... 40

I/F (Interface) Mode .................................................................................................... 41

Flow ............................................................................................................................ 41

Port Number ............................................................................................................... 42

Connect Mode ............................................................................................................ 42

a) Incoming Connection ....................................................................................... 43

b) Response ......................................................................................................... 44

xPico User Guide 5

Table of Contents

c) Active Startup ................................................................................................... 44

d) Datagram Type ................................................................................................ 47

e) Modem Mode ................................................................................................... 47

Send the Escape Sequence (+++) in Modem Mode .................................................. 49

Show IP addr after 'RING' .......................................................................................... 49

Auto Increment Source Port ....................................................................................... 49

Remote IP Address .................................................................................................... 50

Remote Port ............................................................................................................... 50

DisConnMode ............................................................................................................. 50

Flush Mode (Buffer Flushing) ..................................................................................... 51

Pack Control ............................................................................................................... 51

Packing Interval.................................................................................................... 52

Trailing Characters ............................................................................................... 52

Send Characters .................................................................................................. 52

DisConnTime (Inactivity Timeout) .............................................................................. 53

Send Characters ......................................................................................................... 53

Telnet Terminal Type .................................................................................................. 53

Channel (Port) Password ........................................................................................... 53

8. Setup Mode: Advanced Settings 54

Expert Settings (Option 5) .......................................................................................... 54

TCP Keepalive time in seconds ........................................................................... 54

ARP Cache timeout in seconds ........................................................................... 55

CPU Performance ................................................................................................ 55

Disable Monitor Mode at bootup .......................................................................... 55

HTTP Port Number .............................................................................................. 55

MTU Size ............................................................................................................. 55

TCP Re-Transmission Timeout ............................................................................ 56

Enable alternate MAC .......................................................................................... 56

Ethernet Connection Type ................................................................................... 56

Security Settings (Option 6)........................................................................................ 56

Disable SNMP ...................................................................................................... 57

SNMP Community Name ..................................................................................... 57

Disable Telnet Setup ............................................................................................ 57

Disable TFTP Firmware Upgrade ........................................................................ 58

Disable Port 77FE (Hex) ...................................................................................... 58

Disable Web Server ............................................................................................. 58

Disable Web Setup .............................................................................................. 58

xPico User Guide 6

Table of Contents

Disable ECHO Ports ............................................................................................ 58

Enable Encryption ................................................................................................ 59

Enable Enhanced Password ................................................................................ 60

Disable Port 77F0 (Hex) ...................................................................................... 60

Default Settings (Option 7) ......................................................................................... 60

Channel 1 and Channel 2 Configuration Defaults ............................................... 60

Expert Settings Defaults ...................................................................................... 61

Security Settings Defaults .................................................................................... 61

9. GPIO Interface 62

Configurable Pins ....................................................................................................... 62

Features ............................................................................................................... 62

Control Protocol .......................................................................................................... 63

Guidelines ............................................................................................................ 63

Commands ........................................................................................................... 63

Examples .................................................................................................................... 65

10. Firmware Upgrades 67

Obtaining Firmware .................................................................................................... 67

Reloading Firmware ................................................................................................... 67

Using TFTP: Graphical User Interface ................................................................. 67

Using TFTP: Command Line Interface ................................................................ 68

Recovering the Firmware Using the Serial Port and DeviceInstaller ................... 69

11. Monitor Mode 70

Entering Monitor Mode Using the Serial Port ............................................................. 70

Entering Monitor Mode Using the Network Port ......................................................... 70

Monitor Mode Commands .................................................................................... 70

12. Troubleshooting 73

Problems and Error Messages ................................................................................... 73

Technical Support ....................................................................................................... 76

A: Binary to Hexadecimal Conversions 77

Converting Binary to Hexadec imal ............................................................................. 77

Conversion Table ................................................................................................. 77

Scientific Calculator ............................................................................................. 77

B: Compliance 79

RoHS Notice ............................................................................................................... 79

xPico User Guide 7

List of Tables

Table 6-1. BootP/DHCP/AutoIP Options ____________________________________________ 37
Table 6-2. Standard IP Network Netmasks __________________________________________ 38
Table 7-1. Interface Mode Optio ns ________________________________________________ 41
Table 7-2. RS232 Interface Mode Settings __________________________________________ 41
Table 7-3. Flow Control Options __________________________________________________ 42
Table 7-4. Reserved Port Numbers ________________________________________________ 42
Table 7-5. Connect Mode Optio ns ________________________________________________ 43
Table 7-6. Manual Connection Address Example _____________________________________ 45
Table 7-7. Modem Mode Messages _______________________________________________ 47
Table 7-8. Modem Mode Commands ______________________________________________ 48
Table 7-9. Disconnect Mode Options ______________________________________________ 50
Table 7-10. Flush Mode Options __________________________________________________ 51
Table 7-11. Pack Control Options _________________________________________________ 52
Table 10-1. Firmware Files ______________________________________________________ 67
Table 11-1. Monitor Mode Commands _____________________________________________ 71
Table 11-2. Command Response Codes ___________________________________________ 72

List of Tables and Figures

List of Figures

Figure 2-1. Product Label _______________________________________________________ 13
Figure 4-1. Web-Manager Login Window ___________________________________________ 19
Figure 4-2. Lantronix Web-Manager _______________________________________________ 19
Figure 4-3. Network Settings _____________________________________________________ 20
Figure 4-4. Server Settings ______________________________________________________ 22
Figure 4-5. Hostlist Settings _____________________________________________________ 24
Figure 4-6. Channel Serial Settings _______________________________________________ 25
Figure 4-7. TCP Connection Settings ______________________________________________ 28
Figure 4-8. UDP Connection Settings ______________________________________________ 31
Figure 4-9. Configurable Pins Settings _____________________________________________ 32
Figure 4-10. Apply Settings and Apply Defaults ______________________________________ 33
Figure 5-1. MAC Address _______________________________________________________ 35
Figure 5-2. Setup Menu Options __________________________________________________ 35
Figure 7-1. Serial Port Param eter s ________________________________________________ 40
Figure 7-2. Hostlist Option _______________________________________________________ 46
Figure 8-1. Expert Settings ______________________________________________________ 54
Figure 8-2. Security Settings _____________________________________________________ 56
Figure 10-1. TFTP Window ______________________________________________________ 68

xPico User Guide 8

Document

Description

2: Introduction

Describes the main features of the xPico and the protocols
it supports.

3: Using DeviceInstaller

Provides information for getting your unit up and running,

4: Configuration Using Web
Manager

Details using the Web-Manager to set parameters such as
port and server properties.

5: Configuration via Telnet or

Provides instructions for accessing Setup Mode (command

through the serial port.

6: Setup Mode: Server
Configuration

Details the network (server) settings

7: Setup Mode: Channel
Configuration

Details the serial port settings.

8: Setup Mode: Advanced
Settings

Details expert and security settings and explains how to
reset the unit to factory default values.

9: GPIO Interface

Provides instructions for configuring the eight General

10: Firmware Upgrades

Provides instructions for obtaining the latest firmware and
updating the xPico.

11: Monitor Mode

Provides instructions for accessing and using the
diagnosing problems.

12: Troubleshooting

Describes common problems and error messages and how
to contact Lantronix Technical Support.

A: Binary to Hexadecimal
Conversions

Provides instructions for conve rt ing binary numb ers to
hexadecimals.

B: Compliance

Provides compliance informat i on.

1. Using This Guide

Purpose and Audience

This guide covers xPico Device Ser ver Module. It provides the information needed to
configure, use, and update the xPico firmware and is intended for OEMs and system
integrators who are embedding the xPico in their end product designs.

Chapter Summary

The remaining chapters in this guide include:

Serial Port (Setup Mode)

using DeviceInstaller to assign an IP address.

line interface) using a Telnet connection through the
network or a terminal or terminal emulation program

Purpose I/O pins (CP1-8).

command line interface for monitoring the network and

xPico User Guide 9

Additional Docume ntation

Document

Description

xPico Quick Start

Provides the steps for getting the xPico evaluation board up
and running.

xPico Integration Guide

Provides information about the xPico hardware, testing the
into your product.

xPico Development Kit
Quick Start

Instructions for using the xPico on the xPico evaluation board.

Com Port Redirector
User Guide

Provides information on using the Window s-ba sed uti lity to
create a virtual com port.

DeviceInstaller Online
Help

Provides information on using DeviceIn staller to configure IP
addresses and locate Lantronix devices on the network.

Visit the Lantronix Web site at www.lantronix.com/support/documentation for the
latest documentation and the foll o wing add it ion al doc umentation.

1: Using This Guide

xPico using the evaluation board, and integrating the xPico

xPico User Guide 10

2. Introduction

This chapter summarizes the xPico device server’s features and the basic
information needed to get started.

Capabilities

The xPico device server has the following capabilities:

 Connects devices through a TCP data channel or through a Telnet connection to

computers or to another device server. The xPico also supports UDP datagrams.

 Contains a web [HTTP] server allowing presentation of custom content and easy

configuration through a browser.

 Has eight programmable I/O pins used to monitor or control attached devices.

Applications

The xPico device server connects serial devices such as those listed below to
Ethernet networks using the IP protocol family.

 ATM machines
 CNC controllers
 Data collection devices
 Environmental sensors
 Universal Power Supply (UPS) management units
 Telecommunications equipment
 Data display devices
 Security alarms and access control devices
 Handheld instruments
 Modems
 Time/attendance clocks and terminals

xPico User Guide 11

Protocol Support

The xPico device server uses the Internet Protocol (IP) for network communications.
It uses the Transmission Control Protocol (TCP) to assure that no data is lost or
duplicated, and that everything sent to the connection arrives correctly at the target.

Supported protocols inclu d e:

 ARP, TCP/IP, UDP/IP, BOOTP, ICMP, Telnet, TFTP, AutoIP, DHCP, HTTP, and

SNMP for network communications and management.

 TCP/IP, UDP/IP, and Telnet for connections to the serial port.
 TFTP for firmware and web page updates.
 IP for addressing, routing, and data block handling over the network.
 User Datagram Protocol (UDP) for typical datagram applications in which devices

interact with other devices without maintaining a point-to-point connection.

Configuration Me thods

2: Introduction

For the unit to operate correctly on a network, it must have a unique IP address on
the network. There are three basic methods for logging into the device server to
assign an IP address and configure the unit:

DeviceInstaller: Assign an IP address and view the current xPico config ur ation using
a Graphical User Interface (GUI) on a PC attached to a network. (See 3 Using

DeviceInstaller.)

Web-Manager: Through a web interface, configure the xPico and its settings using
the xPico’s Web-Manager. ( See 4 Configuration Using Web Manager

Serial & Telnet Ports: There are two approaches to accessing Serial Mode. Make a
Telnet connection to the network port (9999) or connect a terminal (or a PC running a
terminal emulation program) to the unit’s serial port. (See 5 Configuration via Telnet

or Serial Port (Setup Mode) )

Addresses and Port Numbers

Hardware Address

The hardware address is also referred to as the Ethernet address or the MAC
address. The first three bytes of the Ethernet address identify the unit as a Lantronix
product. The fourth, fifth, and sixth bytes are unique numbers assigned to each unit.

Example: 00-80-A3-14-01-18

Note: Make note of the MAC address. It is needed to locate the xPico using

DeviceInstaller.

xPico User Guide 12

IP Address

Date Code

Product Model

Country of Origin

Revision

Every device connected to an IP network must have a unique IP address . T his
address is used to reference the specific unit. The xPico is automatically assign ed an
IP address on DHCP-enabled networks, as it is DHCP-enabled by default.

Port Numbers

Every TCP connection and every UDP datagram is defined by a destination IP
address and a port number. For example, a Telnet application commonly uses port
number 23. A port number is similar to an extension on a phone system.

The unit's serial channel (port) can be associated with a specific TCP/UDP port
number. Port number 9999 is reserved for access to the unit's Setup (configuration)
Mode window. Ports 0-1024 are reserved as well. For more information on reserved
port numbers, see to T ab le 7-4. Reserved Port Numbers on page 42.

Product Informa ti on Label

The product information label on the unit contains the following information about the
specific unit:

2: Introduction

 Part Number
 Revision
 Manufacturing Date Code
 Product Model
 Country of Origin
 Lantronix Datamatrix Barcode
 MAC Address

Figure 2-1. Product Label

Part Number

Manufacturing

MAC Address

Lantronix
Datamatrix
Barcode

xPico User Guide 13

3. Using DeviceInstaller

This chapter covers the steps for getting the xPico device server online and viewing
its current configuration.

Note: DeviceInstaller is a free utility program provided by Lantronix that

discovers, configures, upgrades, and manages Lantronix Device Servers. It
can be downloaded from the Lantronix website at

www.lantronix.com/support/downloads.

For instructions on using DeviceInstaller to configure the IP address and
related settings or for more advanced features, see the

Online Help.

DeviceInstaller

Installing DeviceInstaller

To install DeviceInstaller:

1. Download the latest version of DeviceInstaller from

http://www.lantronix.com/downloads.

2. Run the executable to start the installation process.

3. Respond to the installation wizard prompts. (If prompted to select an installation

type, select Typical).

Assigning an IP Address

The unit’s IP address must be configured before it can work correctly on a network.
You have several options for assigning an IP to your unit. We recommend that you
manually assign the IP address over the network using DeviceInstaller.

Note: To use a serial connection instead of an Ethernet connection to configure the

device, see 5 Configuration via Telnet or Serial Port (Setup Mode) on page 35.

The unit’s IP address is normally set to 0.0.0.0 at the factory. The hardware address
is on the product label. The unit is DHCP enabled as the default.

To assign an IP address manually:

1. Click StartPrograms  LantronixDeviceInstallerDeviceInstaller. If your

PC has more than one network adapter, a message displays. Select an adapter

and click OK.

Note: If the unit already has an IP address (e.g., DHCP has assigned an IP address),

click the Search icon and select the unit from the list of Lantronix device servers on
the local network.

xPico User Guide 14

3: Using DeviceInstaller

Name

Configurable field. A name that identif ies the xPico.

using DeviceInstaller.

2. Click the Assign IP icon .

3. If prompted, enter the hardware address (on the product label) and click Next.

4. Select Assign a specific IP address and click Next.

5. Enter the IP ad d re ss. The Subnet mask displays automatically based on the IP

address; if desired, you may change it. On a local network, you can leave the

Default gateway blank (all zeros). Click Next.

6. Click the Assign button and wait several seconds until a confirmation message

displays. Click Finish.

7. Select the device from the main window list and select Ping from the Tools

menu. The Ping Device dialog box shows the IP address of the selected unit.

8. From the Tools menu, click the Ping button. The result s displa y in the Status

window. Click the Clear Status button to clear the window so you can ping the

device again.

Note: If you do not receive “Reply” messages, make sure the unit is properly

attached to the network and that the IP address assigned is valid for the particular
network segment you are working with. If you are not sure, check with your systems
administrator.

9. Click the Close button to close the dialog box and return to the main window.

Accessing the xPico Using DeviceInstaller

1. Click StartPrograms  LantronixDeviceInstallerDeviceInstaller.

2. Click the xPico folder. The list of available Lantronix xPico modules display.

3. Expand the list of xPicos by clicking the + symbol next to the xPico icon. Select

the xPico unit by clicking on its IP address to view its configuration.

Viewing the Current Configuration

DeviceInstaller provides a view of the unit's configuration.

To view the unit's current settings:

1. Follow the instructions above to locate the xPico.

2. In the right pane, click the Device Details tab. The current xPico configuration

displays:

xPico User Guide 15

Double-click the field, type in the value, and press Enter to
complete. This name is not visible on other PCs or laptops

3: Using DeviceInstaller

DHCP Device Name

Non-configurable field. Displays the name associated with

or Configuration via Telnet or Serial Port (Setup Mode).

Group

Configurable field. A group name to categorize the xPico.

laptops using DeviceInstaller.

Comments

Configurable field. Information about the xPico.

PCs or laptops using DeviceInstaller.

Device Family

Non-configurable field. Displays the xPico’s device family as
xPico.

Type

Non-configurable field. Displays the device type as xPico.

ID

Non-configurable field. Displays the xPico’s ID embedded
within the unit.

Hardware Address

Non-configurable field. Displays the xPico’s hardware (or MAC)
address.

Firmware Version

Non-configurable field. Displays the firmware currently installed
on the xPico.

Extended Firmware
Version

Non-configurable field. Displays the full version nomenclature of
the firmware.

Online Status

Non-configurable field. Displays the xPico’s status as online,
(the xPico is currently performing a task).

IP Address

Non-configurable field. Displays the xPico’s current IP address.
page 14.

IP Address was Obtained

Displays “Dynamically” if the xPico automatically received an

 Obtain via Auto IP with value of True or False

Subnet Mask

Non-configurable field. Displays the xPico’s current subnet

Address on page 14.

Gateway

Non-configurable field. Displays the xPico’s current gateway.

14.

Number of COB partitions
supported

Non-configurable field. Displays the number of COB partitions
supported.

Number of Ports

Non-configurable field. Displays the number of ports on the
xPico.

TCP Keepalive

Non-configurable field. Displays 1-65s, the xPico’s TCP
keepalive value. The default setting is 45.

xPico’s current IP address, if the IP address was obtained
dynamically.
To change the DHCP device name, see Configuration Using

Web Manager

Double-click the field, type in the value, and press Enter to
complete. This group name is not visible on other PCs or

Double-click the field, type in the value, and press Enter to
complete. This description or comment is not visible on other

offline, unreachable (the xPico is on a different subnet), or busy

To change the IP address, see Assigning an IP Address on

IP address (e.g., from DHCP). Displays “Statically” if the IP
address was configured manually. If the IP address was
assigned dynamically, the following fields appear:

 Obtain via DHCP with value of True or False.
 Ob tain via BOOTP with value of True or False.
 Obtain via RARP with value of True or False

mask. To change the subnet mask, see Assign ing an IP

To change the gateway, see Assigning an IP Address on page

xPico User Guide 16

3: Using DeviceInstaller

Telnet Supported

Non-configurable field. Indicates if Telnet sessions are
permitted.

Telnet Port

Non-configurable field. Displays the xPico’s port for Telnet
sessions.

Web Port

Non-configurable field. Displays the xPico’s port for Web­Manager configuration.

Maximum Baud Rate

Non-configurable field. Displays the xPico’s maximum baud

Note: the xPico may not currently be running at this rate.

Firmware Upgradeable

Non-configurable field. Displays True, indicating the xPico’s
firmware is upgradeable as newer version become available.

Supports Configurable
Pins

Non-configurable field. Displays True, indicating configurable
pins are available on the xPico.

Supports Email Triggers

Non-configurable field. Displays False, indic ating email triggers
are not supported on xPico.

Supports AES Data
Stream

Non-configurable field. Displays True. xPico supports AES
encryption.

Supports 485

Non-configurable field. Displays True. xPico supports the RS­485 protocol.

Supports 921K Baud Rate

Non-configurable field. Displays True. xPico supports baud
rates up to 921600 bits per second (bps).

Supports HTTP Server

Non-configurable field. Displays True.

Supports HTTP Setup

Non-configurable field. Displays True.

Supports 230K Baud Rate

Non-configurable field. Displays True.

Supports GPIO

Non-configurable field. Displays True, indicating the xPico
supports General Purpose Input Output (GPIO).

Supported

rate.

xPico User Guide 17

4. Configuration Using Web Man ager

You must configure the unit so that it can communicate on a network with your serial
device. For example, you must set the way the unit wil l respo nd to seria l and net wor k
traffic, how it will handle serial packets, and when to start or close a connection.

The unit’s configuration is stored in nonvolatile memory and is retained without
power. You can change the configuration at any time. The unit performs a reset after
you change and store the configuration.

In this chapter, we describe how to configure the xPico using Web-Manager,
Lantronix’s browser-based configuration tool. (For information on using Setup Mode,
our command line configuration interface, see 5 Configuration via Telnet or Serial

Port (Setup Mode).

Note: The examples in this section show a typical device. Your device may have

different configuration options.

Accessing Web-Manager Using DeviceInstaller

Note: For more information on DeviceInstaller, see 3 Using DeviceInstaller.

1. Run DeviceInstaller and search for the list of available Lantronix device servers.

2. Click on the xPico folder. The list of available xPicos displays.

3. Expand the list of xPicos by clicking the + symbol next to the xPico icon.

4. Select the xPico unit by clicking its hardware address.

5. In the right pane, click the Web Configuration tab.

6. To view the xPico’s Web-Manager in the current DeviceInstaller window, click the

Go button. To open the Web-Manager in a web browser, click the External

Browser button.

Note: Alternatively, to open Web-Manager, open your web browser and

enter the IP address of the xPico.

A dialog box appears to prompt for a User Name and Password.

xPico User Guide 18

4: Configuration Using Web Manager

Figure 4-1. Web-Manager Login Window

7. Perform one of the following:

 If no Telnet password has been defined (default), leave both fields blank and

click OK.

 If a Telnet password has been defined, leave the username blank, type in the

password, and then click OK.

The Web-Manager displays.

Figure 4-2. Lantronix Web-Manager

The main menu is in the left pane of the Web-Manager window.

Network Configuration

The unit’s network values display when you select Network from the main menu. The
following sections describe the conf ig urab le par ameters on the Network Settings
page.

xPico User Guide 19

4: Configuration Using Web Manager

Network Mode

Wired Only is the only choice. It enables the Ethernet network
connectivity.

BOOTP

Select Enable to permit the Bootstrap Protocol (BOOTP).
automatically. Enable is the default.

DHCP

Select Enable to permit the Dynamic Host Configuration

Figure 4-3. Network Settings

Network Mode

1. Click Network from the main menu.

2. Note the following:

Automatic IP Address Configuration

An IP address can be assig ned automatically. You then enter related network
settings.

To assign an IP address automatically:

1. On the main menu, click Network.

2. Select Obtain IP address automatically.

3. Enter the following (as necessary):

server to assign the IP address from a pool of addresses

xPico User Guide 20

4: Configuration Using Web Manager

Protocol (DHCP) to assign a leased IP address to the xPico
unit automatically. Enable is the default.

AutoIP

Select Enable to permit the xPico to generate an IP in the
the default.

DHCP Host Name

Enter the desired host name for the xPico.

IP Address

If DHCP is not used to assign IP addresses, enter it manually
unique value in the network.

Subnet Mask

A subnet mask defines the number of bits taken from the IP
address that are assigned for the host part.

Default Gateway

The gateway address, or router, allows communication to

network.

DNS Server

The DNS server allows the name of a remote machine to be

mode.

169.254.x.x address range with a Class B subnet. Enable is

Note: Disabling BOOTP, DHCP, and AutoIP (all three checkboxes) is not advised as

the only available IP assignment method will then be ARP or serial port.

4. When you are finished, click the OK button.

5. On the main menu, click Apply Settings.

Static IP Address Configuration

You manually assign an IP address to the unit and enter related network settings.

To assign an IP address manually:

1. On the main menu, click Network.

2. Select Use the following IP configuration.

3. Enter the following (as necessary):

in decimal-dot notation. The IP address must be set to a

other LAN segments. The gateway address should be the IP
address of the router connected to the same LAN segment as
the unit. The gateway address must be within the local

resolved automatically. Enter the IP address of the DNS
server. If the device is DHCP enabled, the DHCP server
provides the DNS server IP address, which will override this
configured value.

Note: This setting is applicable only in Manual Connection

4. When you are finished, click the OK button.

5. On the main menu, click Apply Settings.

Ethernet Configuration

You must specify the speed and direction of data transmission.

To specify how data will be transmitted:

1. On the main menu, click Network.

2. Enter the following (as necessary):

xPico User Guide 21

Auto Negotiate

With this option, the Ethernet port auto-negotiates the speed

default is Full.

3. When you are finished, click the OK button.

4. On the main menu, click Apply Settings.

Server Configuration

The unit’s server values display when you select Server from the main menu. The
following sections describe the conf ig urab le par ameters on the Server Settings page.

4: Configuration Using Web Manager

and duplex with the hardware endpoint to which it is
connected. This is the default.

If this option is n ot selecte d, the complete the fields that
become available:

 Speed: The speed of data transmission. The default

is 100 Mbps.

 Duplex: The direction of data transmis si on. The

Figure 4-4. Server Settings

To configure the xPico’s device server settings:

1. On the main menu, click Server.

2. Configure or modify the following fields:

xPico User Guide 22

Server Configuration

Advanced Password

Select whether to enable advanced password:

passwords up to 4 bytes in length.

Telnet/Web
Manager Password

Enter the password required for Telnet conf iguratio n and Web
Manager access.

Retype Password

Re-enter the password required for Telnet confi gurat ion and
Web Manager access.

ARP Cache Timeout

When the unit communicates with another device on the

refreshes this table.

TCP Keepalive

TCP Keepalive time defines how many seconds the unit waits

keepalive. The default setting is 45.

Monitor Mode @ Bootup

Select Disable to disable entry into the monitor mode using

initialization at startup.

CPU Performance Mode

Select the xPico’s performance mode. Higher performance
Mhz. The default is Regular.

HTTP Server Port

This option allows the configuration of the web server port
number. The valid range is 1-65535. The default port is 80.

Config Server Port

Not applicable for this product.

MTU Size

The Maximum Transmission Unit (MTU) is the largest physical
between 512 and 1400 bytes. The default is 1400 bytes.

TCP Re-transmission

The desired TCP re-transmission timeout value. If the ACK is

msec.

Advanced

4: Configuration Using Web Manager

 Enable: selecting this option enables advanced

password creation, allowing you to create passwords up
to 16 bytes in length.

 Disable: selecting this option disables advanced

password creation, allowing you to create basic

network, it adds an entry into its ARP table. ARP Cache
timeout defines the number of seconds (1-600) before it

during an inactive connection before ch ec king its statu s. If the
unit does not receive a response, it drops that connection.
Enter a value between 0 and 60 seconds. 0 disables

timeout (ms)

3. When you are finished, click the OK button.

4. On the main menu, click Apply Settings.

Host List Configuration

the 'yyy' or 'xx1' key sequence at startup. This field prevents
the unit from entering monitor mode by interpreting the str e a m
of characters that are received during the device server's

settings require more energy. Regular is 48 Mhz; High is 88

packet size a network can transmit for TCP and UDP. Enter

not received for a packet sent from the xPico device, then the
unit will retransmit the data. The valid range is 500-4000

The xPico scrolls through the host list until it connects to a device listed in the host
list table. After a successful connection, the unit stops trying to connect to any others.
If this connection fails, the unit continues to scroll through the table until the next
successful connection.

xPico User Guide 23

4: Configuration Using Web Manager

Retry Counter

Enter the value for the number of times the xPico should
attempt to retry connecting to the host list.

Retry Timeout

Enter the duration (in milliseconds) the xPico should abandon
attempting a connection to the host list.

Host Address

Enter or modify the host’s IP address.

Port

Enter the target port number.

The host list supports a minimum of 1 and a maximum of 12 entries. Each entry
contains an IP address and a port number.

Note: The host list is disabled for Manual and Modem Mode. The unit does not

accept a data connection from a remote device when the hostlist option is enabled.

To configure the xPico’s host list:

1. On the main menu, click Hostlist.

Figure 4-5. Hostlist Settings

2. Enter or modify the following fields:

Retry Settings

Host Information

3. When you are finished, click the OK button.

4. On the main menu, click Apply Settings.

Channel 1 and 2 Configuration

The Channel 1 and Channel 2 configuration define how the serial ports respond to
network and serial communication.

xPico User Guide 24

4: Configuration Using Web Manager

Disable Serial Port

When selected, disables communicat ion throu gh t he seri al port.

Note: This checkbox only applies to Channel 2.

Protocol

From the drop-down menu, select the protocol type for the

 Channel 2: RS232 only

Flow Control

Flow control manages data flow between devices in a network to
ensure it is processed efficiently. Too much data arriving before a

Note: Directions for configuring Channel 1 serial settings and connection

apply for Channel 2 configuration, except where indicated.

Serial Settings

To configure the channel’s serial settings:

1. On the main menu, click Serial Settings (under Channel 1) to display the Serial

Settings window.

Figure 4-6. Channel Serial Settings

2. In the available fields, enter the following information:

Channel 1

Port Settings

xPico User Guide 25

The serial port is enabled by default.

selected channel.

 Channel 1: RS232, RS422/RS485 – 4 wire or RS485 – 2

wire protocols.

device is prepared to manage it causes lost or retransmi tted dat a.

Channel 2: None, Xon/Xoff or Xon/Xoff Pass Chars to Host

Baud Rate

The unit and attached serial device, such as a modem, must

rates of 38400 and higher or it could result in data loss.

Data Bits

Indicates the number of bits in a transmitted data package. The
default is 8.

Parity

Checks for the parity bit. The default is None.

Stop Bits

The stop bit follows the data and parity bits in serial
is 1.

Pack Control

Enable Packing

Select to enable packing on the xPico.

Disabled by default.

Idle Gap Time

Select the maximum time for inactivity. The default time is

12 milliseconds.

Match 2 Byte Sequence

Use to indicate the end of a series of data to be sent as one
of the data collection to the xPico. The default is No.

Match Bytes

Use to indicate the end of a series of data to be sent as one
group. Set this value to 00 if specific functions are not needed.

Send Frame Immediate

After the detection of the byte sequence, indicates whether to
only the data frame. The default setting is No.

Send Trailing Bytes

Select the number of bytes to send after the end-of-sequence
characters. The default is None.

With Active Connect

Select Yes to clear the input buffer with a connection that is
initiated from the device to the network. The default is No.

With Passive Connect

Select Yes to clear the input buffer with a connection initiated

4: Configuration Using Web Manager

None is the default.

 Channel 1: None, Xon/Xoff, Xon/Xoff Pass Chars to Host or

CTS/RTS (hardware).



agree on a speed or baud rate to use for the serial connection.
Valid baud rates are 300, 600, 1200, 2400, 4800, 9600 (default),
19200, 38400, 57600, 115200, or 230400, 460800, or 921600

Note: I

communication. It indicates the end of transmission. The default

t is recommended to use hardware flow control for baud

Two firmware-selectable packing algorithms define how and
when packets are sent to the network.

The standard algorithm is optimized for applications in which
the unit is used in a local environment, allowing for very small
delays for single characters, while keeping the packet count
low.

The alternate packing algorithm minimizes the packet count
on the network and is especially useful in applications in a
routed Wide Area Network (WAN). Adjusting parameters in
this mode can economize the network data stream.

Flush Input Buffer (Serial to Network)

xPico User Guide 26

group. The sequence must occur sequentially to indicate end

send the data frame or the entire buffer. Select Yes to send

4: Configuration Using Web Manager

from the network to the device. The default is No.

At Time of Disconnect

Select Yes to clear the input buffer when the network
is No.

With Active Connect

Select Yes to clear the output buffer with a connection that is
initiated from the device to the network. The default is No.

With Passive Connect

Select Yes to clear the output buffer with a connection initiated
from the network to the device. The default is No.

At Time of Disconnect

Select Yes to clear th e output buffer when the network
is No.

connection to or from the device is disconnected. The default

Flush Output Buffer (Network to Serial)

connection to or from the device is disconnected. The default

3. When you are finished, click the OK button.

4. On the main menu, click Apply Settings.

Connection Settings - TCP

To configure a channel’s TCP settings:

1. On the main menu, click Connection. The Connection Settings window for the

channel displays.

xPico User Guide 27

4: Configuration Using Web Manager

Figure 4-7. TCP Connection Settings

xPico User Guide 28

4: Configuration Using Web Manager

Protocol

From the drop-down menu, select TCP.

Accept Incoming

Select Yes to accept incoming connections. The default is
Yes.

Required

Determines whether a password is required for an incoming
password is set for Telnet mode.

Password

If Password Required was set to Yes, enter the password for
passive connections.

Active Connect

Select None to disable Active Connect. Otherwise, indicate

address and port after booting up.

Start Character

If Active Connect is set to With Start Character, enter the
start character in this field.

Modem Mode

Indicates the on-screen response type when in Modem Mode
(if Modem Mode is enabled).

Show IP Address After
Ring

Indicates whether to display the remote IP address upon
connection. The default setting is Yes.

Local Port

Enter the local port number.

Auto increment for

Select to auto-increment the local port number for new

when the maximum range is reached.

Remote Port

Enter the remote port number.

Remote Host

Enter the IP address of the remote device.

Telnet Com Port Cntrl

This field is available for configuration only when Active

2. In the available fields, enter or modify the following information:

Connect Protocol

Connect Mode: Passive Connection

passive connection. This field is not available when a

Connect Mode: Active Connection

the connection type from the drop-down list:

 With Any Character: Attempts to connect when any

character is received from the serial port.

 With Active Mdm Ctrl In: Accepts external connection

requests only when the Modem Control In input is
asserted.

 With Start Character: Attempts to connect when it

receives a specific start character from the serial port.
The default start character is carriage return.

 Manual Connection: Attempts to connect when

directed by a command string received from the serial
port.

 Auto Start: Automatically connects to the remote IP

Endpoint Configuration

active connect

Common Options

xPico User Guide 29

outgoing connections. The range of auto-incremented port
numbers is 50,000 to 59,999 and loops back to the beginning

4: Configuration Using Web Manager

Connect is set to None. Select Enable to permit Telnet

(CPR) utility. (See the CPR online Help for details.)

Terminal Name

This field is available for configuration only when Telnet Mode

used for applications such as terminal emulation to IBM hosts.

Connect Response

A single character is transmitted to the serial port when there
is a change in connection state. Default setting is None.

Use Hostlist

If this option is set to True, the device server scrolls through

remote device when the host list option is enabled.

LED

Select Blink for the status LEDs to blink upon connection or
None for no LED output.

On Mdm_Ctrl_In Drop

Set to Yes for the network connection to or from the serial port

No.

Hard Disconnect

When set to Yes, the TCP connection closes even if the
remote site does not acknowledge the disconnect request.

Check EOT (Ctrl-D)

Select Yes to drop the connection when Ctrl-D or Hex 04 is

port to the network. The default setting is No.

Inactivity Timeout

Use this parameter to set an inactivity timeout. The unit drops

disable the inactivity timeout, e nter 00:00.

communication to the unit. The Telnet Com Port Cntrl
feature is used in conjunction with the Com Port Redirector

is set to Enable.
Use the terminal name for the Telnet terminal type. Enter only
one name. When this option is enabled, the unit also reacts to
the end of record (EOR) and binary options, which can be

the host list until it connects to a device listed in the host list
table. Once it connects, the unit stops trying to connect to any
others. If this connection fails, the unit continues to scroll
through the table until it connects to another IP in the host list.
The host list is disabled for Manual Mode and for Modem
Mode. The unit will not accept a data connection from a

Disconnect Mode

to disconnect (drop) when Modem Control In transitions from
an asserted state to not asserted state. The default sett ing is

detected. Both Telnet Com Port Cntrl and Check EOT
(Ctrl+ D) must be enabled for Disconnect with EOT to
function properly. Ctrl+D is only detected going from the serial

the connection if there is no activity on the serial line before
the set time expires. Enter time in the format mm:ss, where m
is the number of minutes and s is the number of seconds. To

3. When you are finished, click the OK button.

4. On the main menu, click Apply Settings.

Connection Settings - UDP

To configure a channel’s UDP settings:

1. On the main menu, click Connection. The Connection Settings window for the

selected channel displays.

2. In the available fields, enter or modify the following information:

xPico User Guide 30

4: Configuration Using Web Manager

Protocol

Select UDP from the drop-down menu.

Datagram Type

Configures the remote IP or network broadcast address and
default setting is 00.

Accept Incoming

Select Yes to accept incoming UDP datagrams.

Local Port

Enter the local port number.

Remote Port

Enter the port number of the remote device.

Remote Host

Enter the IP address of the remote device.

Use Broadcast

Select to broadcast the UDP datagram. The default is not to

Note: Datagrams are sent as subnet-directed broadcasts.

Device Address Table

The table is enabled when Datagram Type is set to FD. Enter

Datagram Type FD is for OEM use.

Figure 4-8. UDP Connection Settings

Connect Protocol

Datagram Mode

Endpoint Configuration

the remote port. Enter 01 for directed or broadcast UDP. The

broadcast.

xPico User Guide 31

values between 1 and 255 to identify units on the local
network of device servers.

Note: Lantronix Tech Support supports Datagram type 01.

3. When you are finished, click the OK button.

Function

From the drop-down menu, select the purpose of the
a description of each available function.

Direction

Select whether the pin inputs or outputs.

Active Level

Select the signal active level (Low or High).

General Purpose I/O

Monitors input using the 77F0 port or controls output by the
77F0 port.

Modem Ctrl Channel 1 In

For DTE device configuration this would be the DCD control
line.

Modem Ctrl Channel 1 Out

For DTE device configuration this would be the DTR control
line.

RS485 Select Channel 1

Optional control signal that enables toggling between RS232
and RS485 on OEM hardware design.

RS485 2-Wire Channel 1

Optional control signal that enables toggling between RS485

4. On the main menu, click Apply Settings.

Configurable Pin Settings

There are eight configurable hardware pins on the xPico unit. For each pin, configure
the pin function, communication direction, and activity level. For more information,
see 9 GPIO Interface.

To configure the xPico’s Configurable Pins:

1. On the main menu, click Configurable Pins. The Configurable Pins page opens.

Figure 4-9. Configurable Pins Settings

4: Configuration Using Web Manager

2. Configure or modify the following fields for each pin:

Configurable Pin Functions

xPico User Guide 32

specified pin. See Configurable Pin Functions (below) for

2-wire and 4-wire mode on OEM hardware design.

Serial Channel 1 Status LED

Indicates channel 1 status and extended diagnostics.

Serial Channel 2 Status LED

Indicates channel 2 status and extended diagnostics.

3. When you are finished, click the OK button.

4. On the main menu, click Apply Settings.

Apply Settings

1. To save and apply the configuration changes to the device server, click the

Apply Settings button.

Note: Clicking OK on each page does not chan ge the c onfig urat ion on the dev ice.

Clicking the OK button tells the xPico what changes to use; the Apply Settings
button makes the changes permanent and reboots the xPico.

Apply Defaults

4: Configuration Using Web Manager

1. Click the Apply Defaults button to set the device server back to the default

settings. For details see Default Settings on page 60.

2. Click Yes to set factory settings or click No to cancel.

Figure 4-10. Apply Settings and Apply Defaults

xPico User Guide 33

5. Configuration via Telnet or Serial Port (Setup Mode)

You must configure the unit so that it can communicate on a network with your serial
device. As an alternative to using a web browser, as described in the previous
chapter, you can use the following procedures remotely or local l y:

 Use a Telnet connection to configure the unit over the network.
 Use a terminal or terminal emulation program to access the serial port locally.

The series of prompts at which you enter configuration settings is called Setup
Mode.

Note: Detailed information about other setup methods is available from your

Lantronix Sales Associate.

The unit’s configuration is stored in nonvolatile memory and is retained without
power. You can change the configuration at any time. The unit performs a reset after
the configuration has been changed and stored.

This chapter tells you how to access Setup Mode and the general procedure for
using it. To complete the configuration, continue with 6 Setup Mode: Server

Configuration, 7 Setup Mode: Channel Configuration, and 8 Setup Mod e: Adv anced
Settings.

Note: The menus in the configuration chapters show a typical device. Your device

may have different configuration options.

Accessing Setup Mode

Telnet Connection

To configure the unit over the network, establish a Telnet connection to port 9999.

Note: You can also use DeviceInstaller to access Telnet. Select the device from the

main window list, and click the Telnet Configuration tab. Skip steps 1 and 2.

xPico User Guide 34

5: Configuration via Telnet or Serial Port (Setup Mode)

To establish a Telnet connection:

1. From the Windows Start menu, click Run and type the following command,
where x.x.x.x is the IP address, and 9999 is the unit’s fixed network configuration
port number:

Windows: telnet x.x.x.x 9999

UNIX: telnet x.x.x.x:9999

2. Click OK. The following information displays.

Figure 5-1. MAC Addr ess

MAC address 0080A366000E
Software version V6.8.0.3 (120921) XPICO
AES library version 1.8.2.1

Press Enter for Setup Mode

3. To enter Setup Mode, press Enter within 5 seconds. The configuration settings
display, followed by the Change Setup menu.

Figure 5-2. Setup Menu Options

Change Setup:
0 Server
1 Channel 1
2 Channel 2
5 Expert
6 Security
7 Defaults
8 Exit without save
9 Save and exit Your choice ?

4. Select an option on the menu by entering the number of the option in the Your
choice ? field and pressing Enter.

5. To enter a value for a parameter, type the value and press Enter, or to confirm a
current value, just press Enter.

6. When you are finished, save the new configuration (option 9). The unit reboots.

Serial Port Connection

To configure the unit through a serial connection:

1. Connect a console terminal or PC running a terminal emulation program to your
unit's serial port.

2. Set the terminal emulator serial port settings to 9600 baud, 8 bits, no parity, 1
stop bit, no flow control.

Note: The xPico always uses these serial port settings on boot-up.

3. Reset the xPico unit by cycling the unit's power (turning the power off and back
on). Immediately upon resetting the device, enter three lowercase x characters
(xxx).

xPico User Guide 35

Note: The easiest way to enter Setup Mode is to hold down the x key at the ter m inal

(or emulation) while resetting the unit. You must do this within three seconds of

resetting the xPico.

At this point, the screen display is the same as when you use a Telnet connection. To
continue, go to step 4, abo ve, in the section, Telnet Connection

.

Exiting Setup Mode

To exit setup mode:

You have two options:

 To save all changes and reboot the device, select option 9 Save and exit from

the Change Setup menu. All values are stored in nonvolatile memory.

 To exit the configuration mode without saving any changes or rebooting, select

option 8 Exit without save from the Change Setup menu.

5: Configuration via Telnet or Serial Port (Setup Mode)

xPico User Guide 36

AutoIP

0

DHCP

1

BootP

2

6. Setup Mode: Server Configuration

This chapter explains how to configure the network settings.

Note: Current values appear in parentheses.

Server Configuration (Option 0)

The unit’s basic network parameters display when you select Server configuration
(option 0). The IP Address, Set Gateway IP Address, and Netmask fields display
the current values.

IP Address : (172) .(019) .(205) .(008)
Set Gateway IP Address (Y) ?
Gateway IP addr (172) .(019) .(000) .(001)
Netmask: Number of Bits for Host Part (0=default) (0)
Set DNS Server IP addr (N) ?
Change Telnet/Web Manager password (N) ?

IP Address

If DHCP is not used to assign IP addresses, enter the IP address manually. The IP
address must be set to a unique value in the network . Enter each oc tet and pr es s
Enter between each section. The current value displays in parentheses.

If DHCP is used, the third octet of the IP address sets the BootP/DHCP/AutoIP
options. The following table shows the bits you can manually configure to force the
xPico to disable AutoIP, DHCP, or BootP. To disable an option, set the appropriate
bit.

For example, if the third octet is 0.0.5.0, the AutoIP and BootP options are disabled;
only DHCP is enabled. (The value 5 results from adding the binary equivalents of 0
and 2.) This is the most common setting when using DHCP.

IP Address : ( 0) ( 0) ( 0) ( 0) _

Table 6-1. BootP/DHCP/AutoIP Options

Options Bit

xPico User Guide 37

Set Gateway IP Address

Network Class

Host Bits

Netmask

A

24

255.0.0.0

B

16

255.255.0.0

C

8

255.255.255.0

The gateway address, or router, allows communication to other LAN segments. The
gateway address should be the IP address of the router connected to the same LAN
segment as the unit. The gateway address must be within the local network. The
default is N (No), meaning the gateway address has not been set. To set the gateway
address, type Y and enter the address.

Set Gateway IP Address (N) ? Y
Gateway IP addr ( 0) ( 0) ( 0) ( 0)_

Netmask: Number of Bits for Host Part

A netmask defines the number of bits taken from the IP address that are assigned for
the host part.

Netmask: Number of Bits for Host Part (0=default) (0) _

Note: Class A: 24 bits; Class B: 16 bits; Class C: 8 bits

6: Setup Mode: Server Configura tio n

The unit prompts for the number of host bits to be entered, then calculates the
netmask, which appears in standard decimal-dot not ati on (for example,

255.255.255.0) when the saved parameters display.

Table 6-2. Standard IP Network Netmasks

Set DNS Server IP Address

The DNS server allows the name of a remote machine to be resolved automatically.
The default is N (No), indicating the DNS server address has not been set. To set the
DNS server address, type Y. At the prompt, enter the DNS server address. If the
device is DHCP enabled, the DHCP server provides the DNS server IP address,
which will override this configured value.

Note: This setting is applicable only in Manual Connection mode.

Set DNS Server IP addr <N> ?

Change Telnet/Web-Manager Password

Setting the Telnet/Web-Manager password prevents unauthorized access to the
setup menu through a Telnet connection to port 9999 or through web pages. The
password must have 4 characters.

Change Telnet/Web-Manager password (N) ? _

xPico User Guide 38

An enhanced password setting (for Telnet access only) of 16 characters is available
under Security Settings (Option 6) on page 56.

Note: You do not need a password to access the Setup Mode window by a serial

connection.

DHCP Name

If a DHCP server has automatically assigned the IP address and network settings,
you can discover the unit by using the DeviceInstaller network search feature.

There are three methods for assigning DHCP names to the unit.
Default DHCP Name: If you do not change the DHCP name, and you are using an

IP of 0.0.0.0, then the DHCP name defaults to CXXXXXX (XXXXXX is the l ast 6
digits of the MAC address shown on the label on the bottom/side of the unit). For
example, if the MAC address is 00-20-4A-12-34-56, then the default DHCP name is
C123456.

Custom DHCP Name: You can create your own DHCP name. If you are using an IP
address of 0.0.0.0, then the last option in Server configuration is Change DHCP
device name. This option allows you to change the DHCP name to an alphanumeric
name (LTX in our example).

6: Setup Mode: Server Configura tio n

Change DHCP device name (not set) ? (N) Y
Enter new DHCP device name : LTX

Numeric DHCP Name: You can change the DHCP name by specifying the last octet
of the IP address. When you use this method, the DHCP name is LTXYY where YY
is what you chose for the last octet of the IP address. If the IP address you specify is

0.0.0.12, then the DHCP name is LTX12. This method only works with 2 digit

numbers (01-99).

xPico User Guide 39

7. Setup Mode: Channel Configuration

This chapter explains how to configure the serial port.

Channel 1 (Option 1) or Channel 2 (Option 2)

Select Channel 1 (option 1) or Channel 2 (option 2) from the Change Setup menu to
define how the serial port responds to network and serial communications. The
following sections describe the configurable parameters within the Channel
configuration menu.

Figure 7-1. Serial Port Parameters

Baudrate (9600) ?
I/F Mode (4C) ?
Flow (00) ?
Port No (10001) ?
ConnectMode (C0) ?
Send '+++' in Modem Mode (Y) ?
Show IP addr after 'RING' (Y) ?
Auto increment source port (N) ?
Remote IP Address : (000) .(000) .(000) .(000)
Remote Port (0) ?
DisConnMode (00) ?
FlushMode (00) ?
DisConnTime (00:00) ?:
SendChar 1 (00) ?
SendChar 2 (00) ?

Baudrate

The unit and attached serial device, such as a modem, must agree on a speed or
baud rate to use for the serial connection. Valid baud rates are 300, 600, 1200, 2400,
4800, 9600 (default), 19200, 38400, 57600, 115200, and 230400 bits per second.
xPico also supports high-performance baud rates of 460800 and 921600 bits per
second. (See CPU Performance on page 55).

Baudrate (9600) ? _

xPico User Guide 40

I/F (Interface) Mode

I/F Mode Option

7

6

5

4

3

2

1

0

RS-232C

(1)

0

0

RS-422/485

0

1

RS-485 2-wire

1 1 7 Bit

1

0

8 Bit

1

1

No Parity

0

0

Even Parity

1

1

Odd Parity

0

1

1 stop bit

0

1

2 stop bits

(1)

1

1

Common I/F Mode Setting

Binary

Hex

RS-232C, 8-bit, No Parity, 1 stop bit

0100 1100

4C

RS-232C, 7-bit, Even Parity, 1 stop bit

0111 1000

78

The Interface (I/F) Mode is a bit-coded b yte entered in hexadecimal notation.

I/F Mode (4C) ? _

The following table displays available I/F Mode options:

Note: All bit positions in the table that are blank represent “don’t care” bits for that

particular option, which can be set to either a 0 or 1 value.

7: Setup Mode: Channel Configurat io n

Table 7-1. Interface Mode Options

Flow

(1) 2 stop bits are implemented by the software. This might influence performance.

The following table demonstrates how to build some common Interface Mode
settings:

Table 7-2. RS232 Interface Mode Settings

Flow control sets the local handshaking method for stopping serial input/output.

Flow (00) ? _

Use the following table to select flow control options:

xPico User Guide 41

Flow Control Option

Hex

Port Number

Port Numbers

Reserved for

9999

Telnet setup

14000-14009

Reserved for Redirector

30704

Reserved (77F0h)

30718

Reserved (77FEh)

The setting represents the source port number in TCP connections. It is the number
that identifies the channel for remote initiating connections.

The default setting for Port 1 is 10001. The default setting for Port 2 is 10002. The
range is 1-65535, except for the following reserved port numbers:

7: Setup Mode: Channel Configurat io n

Table 7-3. Flow Control Options

No flow control 00
XON/XOFF flow control 01
Hardware handshake with RTS/CTS lines 02
XON/XOFF pass characters to host 05

Port No (10001) ? _

Table 7-4. Reserved Port Numbers

WARNING: We recommend that you not use the reserved port numbers

for this setting as incorrect operation may result.

Use Port 0 for the outgoing local port to change with each connection. The port range
is 50,000 to 59,999. Each subsequent connection increments the number by 1 (it
wraps back around to 50,000).

Only use this automatic port increment feature to initiate a connection using TCP. Set
the port to a non-zero value when the unit is in a passive mode or when using UDP
instead of TCP.

Connect Mode

Connect Mode defines how the unit makes a connection, and how it reacts to
incoming connections over the network.

1 – 1024 Reserved (well known ports)

ConnectMode (C0) ? _

xPico User Guide 42

Enter Connect Mode options in hexadecimal notation.

Note: All bit positions in the table that are blank represent “don’t care” bits, for that

particular option, which can be set to either a 0 or 1 value.

7: Setup Mode: Channel Configurat io n

Connect Mode Option

7 6 5 4 3 2 1

0

a) Incoming Connection

Never accept incoming

0 0 0

Character response (C=connect,
D=disconnect, N=unreachable)

c) Active Startup

Autostart

0 1 0

1

Hostlist

0 0 1 0

d) Datagram Type

Directed UDP

1 1 0

0

e) Modem Mode

No Echo

0 0 1 1

Data Echo & Modem Response
(Numeric)

Data Echo & Modem Response
(Verbose)

Modem Response Only (Numeric)

0 0 1 1 1

1

Modem Response Only (Verbose)

0 0 1 1 1

0

Never Accept Incoming

Rejects all external connection attempts.

Accept with active

Accepts external connection requests only when the Modem
Mode.

Always Accept

Accepts any incoming connection when a connection is not
already established. Default setting.

Table 7-5. Connect Mode Options

Accept with active Modem Control In 0 1 0
Always Accept 1 1 0

b) Response

Nothing (quiet) 0

1

No active startup 0 0 0 0
With any character 0 0 0 1
With active Modem Control In 0 0 1 0
With a specific start character 0 0 1 1
Manual connection 0 1 0 0

0 1 1 1 1

0 1 1 1 0

a) Incoming Connection

Modem Control In

xPico User Guide 43

Control In input is asserted. Cannot be used with Modem

b) Response

Character Response

A single character is transmitted to the serial port when there is a

(quiet).

No Active Startup

Does not attempt to initiate a connection under any
circumstance. Default setting.

With Any Character

Attempts to connect when any character is received from the
serial port.

With active Modem
Control In

Attempts to connect when the Modem Control In in put cha n ges
from not asserted to asserted.

With a Specific Start
Character

Attempts to connect when it receives a specific start character
from the serial port. The default start character is carriage return.

c) Active Startup

7: Setup Mode: Channel Configurat io n

change in connection state:
C = connected, D = disconnected, N = host unreachable.
The IP address of the host connecting to the CoBos device will
be provided when you use verbose mode.

This option is overridden when the Active Start Modem Mode
or Active Start Host List is in effect. Default setting is Nothing

xPico User Guide 44

Manual Connection

Attempts to connect when directed by a command string

forward slash (/) or a colon ( : ).

Command String

Result if remote IP is 129.1.2.3 and remote port is
1234

Complete override; connection is started with host 121.2.4.5,
port 1

C5

Connects to 129.1.2.5, port 1234

C28.10/12

Connects to 129.1.28.10, port 12

C0.0.0.0/0

Enters Monitor Mode

Cwww.lantronix.com/80

Tries to connect to the Lantronix web server if the
DNS server database.

Autostart (Automatic

If you enable Autostart, the unit automatically connects to the
starts.

Hostlist

If you enable this option, the device server scrolls through the
hostlist until it connects to a device listed in the hostlist table.

7: Setup Mode: Channel Configurat io n

received from the serial port. The first character of the command
string must be a C (ASCII 0x43), and the last character must be
either a carriage return (ASCII 0x0D) or a line feed (0x0A). No
blanks or space characters may be in the command string.
Between the first and last command string characters must be a
full or partial destination IP address and may be a destination
port number.

The IP address must be in standard decimal-dot notation and
may be a partial address, representing the least significant 1, 2,
or 3 bytes of the remote IP address. The period is required
between each pair of IP address numbers.

If present, the port number must follow the IP address, must be
presented as a decimal number in the range 1-65535, and must
be preceded by a forward slash (ASCII 0x2F). The slash
separates the IP address and the port number. If you omit the
port number from a command string, the internally stored remote
port number starts a connection.

If a partial IP address is presented in a command stri ng, it is
interpreted to be the least significant bytes of the IP address and
uses the internally stored remote IP address to provide the most
significant bytes of the IP address. If the IP address entered is

0.0.0.0/0, the device server enters M onitor M ode.
For example, if the remote IP address already config ured in the

unit is 129.1.2.3, then an example command string would be
C3/7. (This would connect to 129.1.2.3 and port 7.) You may
also use a different ending for the connection string. For
example, C50.1/23 would connect you to 129.1.50.1 and port 23.

If an IP address does not follow the first command string
character (which is "C"), the subsequent character string is
interpreted as the host name and domain to be used in DNS
lookup. This character string can include a destination port
number as well. The port number can be preceded by either a

Table 7-6. Manual Connection Address Example

C121.2.4.5/1

Connection)

xPico User Guide 45

<hostname:domain> (www.lantronix.com) is configur ed in the

remote IP address and remote port specified when the firmware

7: Setup Mode: Channel Configurat io n

Command String

Result if remote IP is 129.1.2.3 and remote port is
1234

Once it connects, the unit stops trying to connect to any others.

the hostlist option is enabled.

If this connection fails, the unit continues to scroll through the
table until it is able to connect to another IP in the hostlist.

Hostlist supports a minimum of 1 and a maximum of 12 entries.
Each entry contains the IP address and the port number.
The hostlist is disabled for Manual and Modem Modes. The unit
does not accept a data connection from a remote device when

Figure 7-2. Hostlist Option

Baudrate (9600) ?
I/F Mode (4C) ?
Flow (00) ?
Port No (10001) ?
ConnectMode (C0) ? 25
Send '+++' in Modem Mode (Y) ?
Show IP addr after 'RING' (Y) ?
Auto increment source port (N) ?

Hostlist :

01. IP : 172.019.205.011 Port : 00001

02. IP : 172.019.205.012 Port : 00002

03. IP : 172.019.205.013 Port : 00003

Change Hostlist ? (N) ?
Hostlist Retrycounter (3) ?
Hostlist Retrytimeout (250) ?
DisConnMode (00) ?
FlushMode (00) ?
DisConnTime (00:00) ?:
SendChar 1 (00) ?
SendChar 2 (00) ?

To enable the hostlist:

1. Enter a Connect Mode of 0x20 (2X), where X is any digit. The menu shows you
a list of current entries already defined in the product.

2. To delete, modify, or add an entry, select Yes. If you enter an IP address of

0.0.0.0, that entry and all others after it are deleted.

3. After completing the hostlist, repeat the previous step if necessary to edit the
hostlist again.

4. For Retrycounter, enter the number of times the Lantronix unit should try to
make a good network connection to a hostlist entry that it has successfully
ARPed. The range is 1-15, with the default set to 3.

5. For Retrytimeout, enter the number of seconds the unit should wait before
failing an attempted connection. The time is stored as units of milliseconds in the
range of 10-65535. The default is 250.

xPico User Guide 46

7: Setup Mode: Channel Configurat io n

Directed UDP

When selecting this option, you are prompted for the Datagram type.

data.

Without Echo

In Modem Mode, echo refers to the echo of all of the characters

was typed).

Data Echo & Modem

Full Verbose: The unit echoes modem commands and responds to

responds to a command with a numeric response.

Modem Responses

Full Verbose: The unit does not echo modem commands and

and responds to a command with a numeric response.

Message

Meaning

Full Verbose

OK

Command was executed without error.

CONNECT

A network connection has been established.

NO CARRIER

A network connection has been closed.

A remote device, having IP address n.n.n.n, is connecting to this
device.

d) Datagram Type

Enter 01 for directed or broadcast UDP. Datagrams of type 01 can be
sent as a broadcast by enabling the Send as Broadcast option. The
default is not to broadcast.
When the UDP option is in effect, the unit never attempts to initiate a
TCP connection because it uses UDP datagrams to send and receive

e) Modem Mode

In Modem (Emulation) Mode, the unit presents a modem interface to the attached
serial device. It accepts AT-style modem commands and handles the modem signals
correctly.

Normally, there is a modem connected to a local PC and a modem connected to a
remote machine. A user must dial from the local PC to the remote machine,
accumulating phone charges for each connection. Modem Mode allows you to
replace modems with xPicos, and to use an Ethernet connection instead of a phone
call. By not having to change communications applications, you avoid potentially
expensive phone calls.

To select Modem Mode, set the Connect Mode to C6 (no echo), D6 (echo with full
verbose), D7 (echo with numeric response), CF (modem responses only, numeric
response), or CE (modem responses only, full verbose).

Note: If the unit is in Modem Mode, and the serial port is idle, the unit can still accept

network TCP connections to the serial port if Connect Mode is set to C6 (no echo) ,
D6 (echo with full verbose), D7 (echo with numeric response, CF (modem responses
only, numeric response), or CE (modem responses only, full verbose).

entered in command mode; it does not mean to echo data that is
transferred. Quiet Mode (without echo) refers to the modem not
sending an answer to the commands received (or displaying what

Response

Only

a command with a message string shown in the table below.
Numeric Response: The unit echo es mod em comma nd s and

responds to a command with a message string shown in the table
below.

Numeric Response: The unit does not echo modem commands

Table 7-7. Modem Mode Messages

RING n.n.n.n.

xPico User Guide 47

7: Setup Mode: Channel Configurat io n

Message

Meaning

Numeric Response

0

OK 1 Connected

2

Ring

3

No Carrier

4

Error

Modem Mode
Command

Function

ATDTx.x.x.x,pppp,

ATDTx.x.x.x:pppp

Received commands must begin with the two-character sequence AT and be
terminated with a carriage return character.

The unit ignores any character sequence received not s tar ting wit h AT, and only
recognizes and processes singl e AT-style commands. The unit treats compound AT
commands as unrecognized commands.

If the Full Verbose option is in effect, the unit responds to an unrecognized
command string that is otherwise formatted correctly (begins with AT and ends with
carriage return) with the "OK" message and takes no further action.

If the Numeric Response option is in effect, the unit responds to an unrecognized
command string that is otherwise formatted correctly with the "OK" message and
takes no further action.

When an active connection is in effect, the unit transfers data and does not process
commands received from the serial interface.

When a connection is terminated or lost, the unit reverts to command mode.
When an active connection is in effect, the unit terminates the connection if it

receives the following sequence from the attached serial device:

 No serial data is received for one second.
 The character sequence +++ is received, with no more than one second between

each two characters.

 No serial data is received for one second after the last + character. At this time,

the unit responds affirmatively per the selected echo/response mode.

 The character string ATH is received, terminated with a carriage return. The unit

responds affirmatively according to the selected echo/response mode and drops
the network connection. The serial interface reverts to accepting command
strings.

If this sequence is not followed, the unit remains in data transfer mode.

Table 7-8. Modem Mode Commands

ATDTx.x.x.x/pppp,
or

Makes a connection to an IP address (x.x.x.x) and a remote port
number (pppp).

ATDTx.x.x.x

Makes a connection to an IP address (x.x.x.x) and the remote port
number defined within the unit.

xPico User Guide 48

7: Setup Mode: Channel Configurat io n

Modem Mode
Command

Function

Enables or disables connections from the network going to the serial

n>1-9 is invalid.

Enables or disables character echo and responses.

n=1 enables character echo and responses.

Enables numeric response or full verbose.

n=1 enables full verbose.

ATD0.0.0.0

ATD or ATDT

ATDx.x.x.x

ATH Hangs up the connection (Entered as +++ATH ).

ATS0=n

ATEn

ATVn

Forces the unit into Monitor Mode if a remote IP address and port
number are defined within the unit.

Forces the unit into Monitor Mode if a remote IP address and port
number are not defined within the unit.

Makes a connection to an IP address (x.x.x.x) and the remote port
number defined within the unit.

port.
n=0 disables the ability to make a connection from the network to the
serial port.

n=1-9 enables the ability to make a connection from the network to
the serial port.

n=0 disables character echo and responses.

n=0 enables numeric response.

Note: The unit recognizes these AT commands as single commands such as ATE0

or ATV1; it does not recognize compound commands such as ATE0V.

Send the Escape Seque nce (+++) in Modem Mode

Send ‘+++’ in Modem Mode (Y) ? _

Disable or enable the xPico’s ability to send the escape sequence. The default is Y
(Yes) (send the escape sequence).

Show IP addr after 'RING'

Show IP addr after 'RING' (Y)

Disable or enable the xPico's ability to show the IP address after RING in Modem
Mode. The default is Y (Yes), to show the IP address.

Auto Increment Source Port

Auto increment source port (N) ? _

xPico User Guide 49

Y (Yes) auto increment the source port. The xPico increments the port number used

Disconnect Mode Option

7 6 5

4

3 2 1

0

(6)

(2)

(3)

with each new connection.

Remote IP Address

This is the destination IP address used with an outgoing connection.

Remote IP Address : (000) (000) (000) (000)_

Note: This option does not display when Hostlist is enabled from the ConnectMode

prompt (see Connect Mod e on page 42 for more information).

Remote Port

You must set the remote TCP port number for the unit to make outgoing connections.
This parameter defines the port number on the target host to which a connection is
attempted.

Remote Port (0) ? _

To connect an ASCII terminal to a host using the unit for login purposes, use the
remote port number 23 (Internet standard port number for Telnet services).

7: Setup Mode: Channel Configurat io n

Note: This option does not display when Hostlist is enabled from the ConnectMode

prompt (see Connect Mod e on page 42 for more information).

DisConnMode

This setting determines the conditions under which the unit will cause a network
connection to terminate.

Notes:

 In DisConnMode (Disconnect Mode), Modem Control In drop either drops the

connection or is ignored.

 All bit positions in the table that are blank represent “don’t care” bits, for that

particular option, which can be set to either a 0 or 1 value.

Disconnect when Modem Control In is not asserted
Ignore Modem Control In 0
Telnet Com Port Cntrl and terminal type setup

DisConnMode (00) ? _

Table 7-9. Disconnect Mode Options

1

(1)

1

xPico User Guide 50

Channel (port) password
Hard disconnect
Disable hard disconnect 1

0

1

7: Setup Mode: Channel Configurat io n

Disconnect Mode Option

7 6 5

4

3 2 1

0

(5)

Function

7 6 5 4 3

2 1 0

Input Buffer (Serial to Network)

Clear with a connection initiated from the device to the network

1

Clear with a connection initiated from the network to the device

1

Clear when the network connection to or from the device is disconnected

1

Output Buffer (Network to Serial)

Clear with a connection initiated from the device to the network

1

Clear with a connection initiated from the network to the device

1

Clear when the network connection to or from the device is disconnected

1

Alternate Packing Algorithm (Pack Control)

Enable

1

State LED off with connection
Disconnect with EOT (^D)

(1) The Telnet Com Port Control feature is used in conjunction with Com Port Redirector. The unit

sends the Terminal Type upon an outgoing connection.
(2) A password is required for a connection to the serial port from the network.
(3) The TCP connection closes even if the remote site does not acknowledge the disconnection.
(4) W hen there is a network connection to or from the serial port, the state LED t urns off instead of

blinking.
(5) When Ctrl+D or Hex 04 is detected, the connection is dropped. Both Telnet Com Port Cntrl and

Disconnect with EOT must be enabled for Disconnect with EOT to function properly. Ctrl+D is only
detected going from the serial port to the network.

(6) When Modem Control In t ransitions from a high state to a low state, the network connection to or

from the serial port drops.

(4)

1

1

Flush Mode (Buffer Flushing)

Using this parameter, you can control line handling and network buffers with
connection startup and disc onnect.

FlushMode (00) ? _

You can also select between two different packing algorithms.

Note: All bit positions in the table that are blank represent “don’t care” bits, for that

particular option, which can be set to either a 0 or 1 value.

Pack Control

The packing algorithms define how and when packets are sent to the network. The
standard algorithm is optimized for applications in which the unit is used in a local
environment, allowing for very small delays for single characters, while keeping the
packet count low. The alternate packing algorithm minimizes the packet count on the
network and is especially useful in applications in a routed Wide Area Network
(WAN). Adjusting parameters in this mode can economize the network data stream.

Table 7-10. Flush Mode Options

xPico User Guide 51

7: Setup Mode: Channel Configurat io n

Option

7

6

5

4

3

2

1

0

2-Byte Send Character Sequence

1

Send Immediately After Send chars

1

Pack control settings are enabled in Flush Mode. Set this value to 00 if you do not
need specific functions.

Note: All bit positions in the table that are blank represent “don’t care” bits, for that

particular option, which can be set to either a 0 or 1 value.

Table 7-11. Pack Control Options

Packing Interval

Interval: 12ms 0 0
Interval: 52ms 0 1
Interval: 250ms 1 0
Interval: 5sec 1 1

Trailing Characters

None 0 0
One 0 1
Two 1 0

Send Characters

Packing Interval

Packing Interval defines how long the unit should wait before sending accumulated
characters. This wait period is between successive network segments containing
data. For alternate packing, the default interval is 12 ms.

Trailing Characters

In some applications, CRC, Checksum, or other trailing characters follow the end-of­sequence character; this option helps to adapt frame transmission to the frame
boundary.

Send Characters

 If 2-Byte Send Character Sequen c e is enabled, the unit interprets the

sendchars as a 2-byte sequence; if this option is not enabled, the unit interprets
them independently.

xPico User Guide 52

 If Send Immediately After Characters is not set, any characters already in the

serial buffer are included in the transmission after a "transmit" condition is found.
If this option is set, the unit sends immediately after recognizing the transmit
condition (sendchar or timeout).

Note: A transmission might occur if status information needs to be exchanged or an

acknowledgment needs to be sent.

DisConnTime (Ina ctivity Timeout)

Use this parameter to set an inactivity timeout. The unit drops the TCP connection to
the local port if there is no activity on the serial line before the set time expires. Enter
time in the format mm:ss, where m is the number of minutes and s is the number of
seconds.

DisConnTime (00:00) ?:

To disable the inactivity timeout, enter 00:00. Range is 0 (disabled) to 5999 seconds
(99 minutes, 59 seconds). Default is 0.

Send Characters

Enter up to two characters in hexadecimal representation in sendchar.

SendChar 1 ( 0) ? _
SendChar 2 ( 0) ? _

If the unit receives a character on the serial line that matches one of these
characters, it sends the character immediately, along with any awaiting characters, to
the TCP connection. This action minimizes the response time for specific protocol
characters on the serial line (for example, ETX, EOT). Setting the first sendchar to 00
disables the recognition of the characters. Alternatively, the unit can interpret two
characters as a sequence (see Pack Control on page 51).

7: Setup Mode: Channel Configurat io n

Telnet Terminal Type

This parameter displays only if you enabled the terminal type option in Disconnect
Mode. With this option enabled, you can use the terminal name for the Telnet
terminal type. Enter only one name.

With terminal type option enabled, the unit also reacts to the EOR (end of record) and
binary options, useful for applications like terminal emulation to IBM hosts.

Channel (Port) Password

This parameter appears only if the channel (port) password option is enabled in
Disconnect Mode. With this option enabled, you can set a password on the serial
port.

xPico User Guide 53

TCP Keepalive time in s
(1s – 65s; 0s=disable)

45

ARP Cache timeout in s
(1s – 600s)

600

CPU Performance

Regular

Disable Monitor Mode @ bootup

No

HTTP Port Number

80

MTU Size (512 – 1400)

0 (resulting in an operational value of 1400)

TCP Re-transmission Timeout

0 (resulting in an operational value of 500)

Enable alternate MAC

No (OEM use only)

Ethernet connection type

0 (resulting in auto-negotiation)

8. Setup Mode: Advanced Settings

Expert Settings (Option 5)

Note: You can change the Enable alternate MAC setting using telnet or serial

connections only. It is not available through the Web-Manager.

CAUTION: Only an expert should change these parameters. You must

definitely know the consequences the changes might have.

Figure 8-1. Expert Settings

TCP Keepalive time in s (1s - 65s; 0s=disable): (45) ?
ARP Cache timeout in s (1s - 600s) : (600) ?
CPU performance (0=Regular, 1=Low, 2=High): (0) ?
Disable Monitor Mode @ bootup (N) ?
HTTP Port Number : (80) ?
MTU Size (512 - 1400): (1400) ?
TCP Re-transmission Timeout (500 - 4000) (ms): (500) ?
Enable alternate MAC (N) ?
Ethernet connection type: (0) ?

The default settings are listed below:

(1-65535)

TCP Keepalive time in seconds

This option allows you to change how many seconds the unit waits during a silent
connection before attempting to see if the currently connected network device is still
on the network. If the unit gets no response, it drops that connection.

TCP Keepalive time in s (1s – 65s; 0s=disable): (45)? _

xPico User Guide 54

8: Setup Mode: Advanced Settings

ARP Cache timeout in seconds

Whenever the unit communicates with another device on the network, it adds an
entry into its ARP table. The ARP Cache timeout option allows you to define how
many seconds (1-600) the unit will wait before timing out this table.

ARP Cache timeout in s (1s - 600s) : (600) ?

CPU Performance

This option allows you to increase the CPU performance required to use the higher
baud rates on the serial interface (460800 bps and 921600 bps). The standard CPU
performance mode supports up to 230400 bps.

CPU performance (0=Regular, 1=Low, 2=High): (0) ?

Notes:

 If a baud rate of 460 Kbps or 920 Kbps is set and the high performance mode is

disabled, the operation of the serial channel would be out of the specified error
tolerance, thereby leading to inconsistent speed settings on the two ends of the
serial channel.

 Increasing CPU clock speed consumes more power and generates more heat.

This reduces the maximum operating temperature specification. See the
appropriate product brief for details.

Disable Monitor Mode at bootup

This option allows you to disable all entries into Monitor Mode during startup, except
for the ‘xxx’ sequence. This prevents entry using yyy, zzz, xx1, and yy1 key
sequences (only during the bootup sequence). The default for Monitor Mode at
bootup is N (No). (See 11 Monitor Mode.)

Disable Monitor Mode @ bootup (N) ? _

HTTP Port Number

This option allows the configuration of the web server port number. The valid range is
1-65535. The default HTTP port number is 80.

HTTP Port Number : (80) ? _

MTU Size

The Maximum Transmission Unit (MTU) is the largest physical packet size a network
can transmit for TCP and UDP. Enter between 512 and 1400 bytes. The default is
1400 bytes.

MTU Size: (1400) ? _

xPico User Guide 55

8: Setup Mode: Advanced Settings

TCP Re-Transmission Timeout

The TCP Re-Transmission Timeout is the interval to wait for acknowledgement of
transmitted TCP segments before re-transmitting them. Enter between 500 and 4000
ms. The default is 500 ms.

TCP Re-transmission Timeout (500 - 4000) (ms): (500) ?

Enable alternate MAC

If necessary, enable the alternate MAC address (if specified in the OEM setup
record).

Enable alternate MAC (N) ? _

Ethernet Connection Type

The xPico allows for the Ethernet speed and duplex to be manually configured. Enter
0 for auto-negotiation (default). To select the speed and duplex, enter one of the
following: 2 (10 MB/half duplex), 3 (10 MB/full duplex), 4 (100 MB/half duplex), or 5
(100 MB/full duplex).

Ethernet connection type: (0) ? _

Security Settings (Option 6)

Note: You can change security settings by means of Telnet or serial connections

only, not on the Web-Manager. We recommend that you set security over the
dedicated network or over the serial setup to prevent eavesdropping.

CAUTION

from accessing the setup menu from the network. Disabling Port 77FE
also disables the Web from configuring the device.

Select 7 to configure security settings.

: Disabling both Telnet Setup and Port 77FE will pr event users

Figure 8-2. Security Settings

Disable SNMP (N) ?

SNMP Community Name (public):

Disable Telnet Setup (N) ?

Disable TFTP Firmware Update (N) ?

Disable Port 77FEh (N) ?

Disable Web Server (N) ?

Disable Web Setup (N) ?

Disable ECHO ports (Y) ?

Enable Encryption (N) ?

Enable Enhanced Password (N) ?

xPico User Guide 56

8: Setup Mode: Advanced Settings

Disable Port 77F0h (N) ?

Disable SNMP

This setting allows you to disable the SNMP protocol on the unit for security reasons.

Disable SNMP (N) ? _

SNMP Community Name

The SNMP Community Name is a required field for NMS to read or write to a device.
Enter a string of 1 to 13 characters.

SNMP Community Name (public): _

The default entry is public. The current value is displayed in parentheses.

Disable Telnet Setup

Note: If you choose to disable this option, keep in mind that disabling both Telnet

Setup and Port 77FE will prevent users from accessing the setup menu from the
network.

This setting defaults to the N (No) option. The Y (Yes) option disables access to
Setup Mode by Telnet (port 9999). It only allows access locally using the web pages
and the serial port of the unit.

Disable Telnet Setup (N) ? _

xPico User Guide 57

8: Setup Mode: Advanced Settings

Disable TFTP Firmware Upgrade

This setting defaults to the N (No) option. The Y (Yes) option disab les t he use of
TFTP to perform network firmware upgrades. With this option, you can download
firmware upgrades over the serial port using DeviceInstaller’s Recover Firmware
procedure. (See 10 Firmware Upgrades.)

Disable TFTP Firmware Update (N) : _

Disable Port 77FE (Hex)

Note: If you choose to disable this option, keep in mind that disabling both Telnet

Setup and Port 77FE will prevent users from accessing the setup menu from the
network.

Port 77FE is a setting that allows DeviceInstaller, Web-Manager, and custom
programs to configure the unit remotely. You may wish to disable this capability for
security purposes.

Disable Port 77FEh (N) ? _

The default setting is the N (No) option, which enables remote configuration. You can
configure the unit by using DeviceInstaller, web pages, Telnet, or serial configuration.

The Y (Yes) option disables remote configuration and web sites.

Note: The Y (Yes) option disables many of the GUI tools for configuring the unit,

including the embedded Web-Manager tool.

Disable Web Server

This setting defaults to the N (option). The Y (Yes) option disables the web server.

Disable Web Server (N) ? _

Disable Web Setup

The Y (Yes) option disables configuration using the Web-Manager. This setting
defaults to the N (option).

Disable Web Setup (N) ? _

Disable ECHO Ports

This setting controls whether port 7 echoes characters it receives.

Disable ECHO ports (Y) ? _

xPico User Guide 58

8: Setup Mode: Advanced Settings

Enable Encryption

Rijndael is the block cipher algorithm chosen by the National Institute of Science and
Technology (NIST) as the Advanced Encryption Standard (AES) to be used by the
US government. The xPico supports 128-, 192-, and 256-bit encryption key lengths.

Note: Configuring encryption should be done through a local connection to the serial

port of the xPico, or via a secured network connection. Initial configuration
information, including the encryption key, is sent in clear text over the network.

To configure AES encryption on the xPico:

1. When prompted to enable encryption, select Y.

2. When prompted, enter the encryption key length. The xPico supports 128-, 192-,
and 256-bit encryption key lengths.

3. When prompted to change keys, select Y.

4. At the Enter Keys prompt, enter your encryption key. The encryption keys are
entered in hexadecimal. The hexadecimal values are echoed as asterisks to
prevent onlookers from seeing the key. Hexadecimal values are 0-9 and A-F.

 For a 128-bit key length, enter 32 hexadecimal characters.
 For a 192-bit key length, enter 48 hexadecimal characters.
 For a 256-bit key length, enter 64 hexadecimal characters

5. Continue pressing Enter until you return to the Change Setup menu.

6. From the Change Setup menu, select option 9 to save and exit.

Encryption only applies to the port selected for data tunneling (default 10001 for
Channel 1 and 10002 for Channel 2), regardless of whether you are using TCP or
UDP.

Generally, one of these situations applies:

 Encrypted xPico-to-xPico communication. Be sure to configure both modules

with the same encryption key.

 Third-party application to xPico-encrypted communication: xPico uses standard

AES encryption protocols. To communicate successfully, products and
applications on the peer side must use the same protocols and the same
encryption key as the xPico.

xPico User Guide 59

8: Setup Mode: Advanced Settings

Baudrate

9600

I/F Mode

4C (1 stop bit, no parity, 8 bit, RS-232C)

Flow

00

Channel 1 configuration.

Port number

10001 for Channel 1
10002 for Channel 2

Connect Mode

C0 (always accept incoming connection; no active
connection startup)

Send '+++' in Modem Mode

Enabled

Show IP addr after 'RING'

Enabled

Auto increment source port

Disable

Hostlist retry counter

3

 Lantronix Secure Com Port Redirector provides an encrypted connection from

Windows-based applications to the xPico. Information about SCPR is at

www.lantronix.com/device-networking/utilities-tools/scpr

A 30-day trial version of SCPR is available.

Note: Developers can license the Lantronix Encr ypt ion Library Su ite. Se e

www.lantronix.com/device-networking/utilities-tools.

Enable Enhanced Password

This setting defaults to the N (No) option, which allows you to set a 4-character
password that protects Setup Mode by means of Telnet and web pages. The Y (Yes)
option allows you to set an extended securit y pass wor d of 16-characters for
protecting Telnet and Web Page access.

Enable Enhanced Password (Y) ? _

Disable Port 77F0 (Hex)

Port 77F0 is a setting that allows a custom application to query or set the eight xPico
configurable pins when they are functioning as general purpose I/O (GPIO). You may
want to disable this capability for security purposes. The default setting is the N (No)
option, which enables GPIO control. The Y (Yes) option disables the GPIO control
interface.

Disable Port 77F0h ? _

Default Settings (Option 7)

Select 7 to reset the unit’s Channel 1 and Channel 2 configuration and expert
settings to the default settings. The server configuration settings for IP address,
gateway IP address, and netmask remain unchanged. The configurable pins’ settings
also remain unchanged. The specific settings that this option changes are listed
below:

Channel 1 and Channel 2 Configuration Defaults

Note: Flow control option only available for

xPico User Guide 60

Hostlist retry timeout

250 (msec)

Start character for serial channel 1

(or channel 2)

0x0D (CR)

All other parameters

0

Expert Settings Defaults

TCP Keepalive time in s

45

ARP Cache timeout in s

600

CPU Performance

0 (Regular)

Enabled

HTTP Port Number
(1-65535)

80

MTU Size (512 – 1400)

0 (resulting in an operational value of 1400)

TCP Re-transmission timeout (ms)

500 (msec)

Alternate MAC

Disabled (for OEM use only)

Ethernet Connection Type

0 (auto-negotiate)

Disable SNMP

No

SNMP community name

public

Disable Telnet setup

No

Disable TFTP Firmware Update

No

Disable Port 77FEh

No

Disable Web Server

No

Disable Web Setup

No

Disable ECHO ports

Yes

Enable Encryption

No

Enable Enhanced Password

No

Disable Port 77F0h

No

Monitor Mode @ bootup

8: Setup Mode: Advanced Settings

Security Settings Defaults

xPico User Guide 61

9. GPIO Interface

Configurable Pins

The xPico has eight pins (CP1-8) that you can configure for General Purpose I/O
(GPIO).

Note: You can also configure the pins for serial port control lines, such as hardware

control, modem control (CTS, RTS, DTR, and DCD), and diagnostic outputs to LED,
using DeviceInstaller.

You can use these GPIO pins to control devices such as relays, servers, lights,
monitor switches, sensors, and even processes such as data transfer.

You can set the functions for the eight p ins ind epe nde ntly and in any combination.
The initial directions (input/output) and active levels (active low or high) at boot up
can also be configured through 77FE, for example, by using DeviceInstaller.

This chapter describes how the directions, active levels, and states can be
dynamically controlled and probed through special port 77F0.

The configurable pins default configuration is:
Function: General Purpose Input
Active Level: Active Low

Features

 TCP and UDP can be used.
 The protocol supports up to 32 GPIO for future products.
 Function configuration can be retrieved.
 Input or output selection can be retrieved and controlled.
 Active low or high selection can be retrieved and controlled.
 Active or inactive selection can be retrieved and controlled.
 77F0 can be disabled.

Every change of state (active/inactive) requires a command over TCP or UDP, and
thus is not very fast. If you use this port for data transfer, the throughput is low,
usually up to 1 Kbps.

xPico User Guide 62

Control Protocol

Command

Parameter 1

Parameter 2

0 1 2 3 4 5 6 7 8

Command

Parameter 1

0 1 2 3 4

10h

Get functions

11h

Get directions (input or outpu t)

12h

Get active levels (high active or low active)

13h

Get current states (active or not active)

19h

Set directions

1Ah

Set active levels

1Bh

Set current states

The GPIO control protocol is a simple, proprietary protocol.

Guidelines

The GPIO control protocol is described from the PC side. Send means from PC to
xPico. Response comes from xPico to PC.

The protocol allows for control of up to 32 GPIOs. How many are actually available
depends on the product. xPico has only eight.

The parameters are four bytes long and represent GPIOs 0-31, with GPIO0 in bit 0 of
the first byte (Little Endian). Parameter bits for configurable pins not configured as
GPIOs are undefined for Get commands and ignor ed on Set commands.

Every command consists of nine bytes: one command type of one byte and two
parameters of four bytes each.

On some commands, one or all parameters are ignored.

9: GPIO Interface

For UDP, command type and parameters need to be in the same datagram.
Responses to valid commands are always five bytes long, consisting of the returned

command byte and as parameters in the current or updated values. In case of an
invalid command, only one byte with va lue 0FFh is retu rned.

When sending a command (TCP and UDP), wait for the response before sending the
next command.

Commands

Byte 0 Command Types

There is no Set functions command. Since the pin’s function depends on the
hardware in which the xPico is embedded, that configuration is only allowed using
77FE. Settings changed by any of the Set commands are not stored and are lost
when the unit is powered down or rebooted.

xPico User Guide 63

Command 10h, Get Functions

Send:

No parameters

Response:

1 parameter

Bytes 1-4: Functions

Bit X

1 means general purpose I/O available to the user.

0 means dedicated function (e.g., serial flow control, diagnostics) for
configurable pin X.

Send:

No parameters

Response:

1 parameter

Bytes 1-4: Directions

Bit X

1 means GPIO X is an output.

0 means it is an input.

Send:

No parameters

Response:

1 parameter

Bytes 1-4: Active levels

Bit X

1 means GPIO X is active low (0V when active, 3.3V when inactive).

0 means it is active high (3.3V when active, 0V when inactive).

Send:

No parameters

Response:

1 parameter

Bytes 1-4: States

Bit X

1 means GPIO X is active

0 means it is inactive.

Command 11h, Get Directions

Command 12h, Get Active Levels

9: GPIO Interface

Command 13h, Get Current States

xPico User Guide 64

Command 19h, Set Directions

Send:

2 parameters

Bytes 1-4: Mask

Bit X

1 means the direction for GPIO X will be updated with the value in the
second parameter.

0 means the direction for that GPIO will not change.

Bytes 5-8: New Directions

Bit X

1 means GPIO X will become an output.

0 means it will become an input.

Response:

1 parameter

Bytes 1-4: The updated directions

Send:

2 parameters

Bytes 1-4: Mask

Bit X

1 means the direction for GPIO X will be updated with the value in the
second parameter.

0 means the active type for that GPIO will not change.

Bytes 5-8: New Active Levels

Bit X

1 means GPIO X will become active low.

0 means it will become active high.

Response:

1 parameter

Bytes 1-4: Updated active levels

Send:

2 parameters

Bytes 1-4: Mask

Bit X

1 means the state for GPIO X will be updated with the value in the
second parameter.

0 means the state for that GPIO will not change.

Bytes 5-8: New States

Bit X

1 means GPIO X will become active.

0 means it will become inactive.

Response:

1 parameter

Bytes 1-4: Updated states

Command 1Ah, Set Active Levels

9: GPIO Interface

Examples

Command 1Bh, Set States

Example 1: PC sends command 10h to find out which configurable pins are
available as GPIO.

PC -> xPico: 10h, 00h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
xPico -> PC: 10h, 03h, 00h, 00h, 00h

Command details:

xPico User Guide 65

9: GPIO Interface

10h = command 10h
00h, 00h, 00h, 00h = ignored
00h, 00h, 00h, 00h = ignored

Response details:

10h = response to command 10h
03h, 00h, 00h, 00h =

bits 0 and 1 are 1 →CP1 and CP2 are configured as GPIOs.
bit 2 is 0 → CP3 is configured as either serial control or diagnostics.
The other bits are ignored because there are only eight configurable pins on
the xPico.

Example 2: PC sends command 1Bh to change the current states of GPIO 0
and 1.

PC -> xPico: 1Bh, 01h, 00h, 00h, 00h, 00h, 00h, 00h, 00h
xPico -> PC: 1Bh, 05h, 00h, 00h, 00h

Command details:

1Bh = command 1Bh
01h, 00h, 00h, 00h = the mask that determines which GPIOs will be changed.

bit 0 is 1 → GPIO0 will be changed.

bit 1 is 0 → GPIO1 will remain the same.
00h, 00h, 00h, 00h = the new states
bit 0 is 0 → GPIO0 will become 0.

bit 1 is ignored since it is masked out.

Response details:

1Bh = response to command 1Bh
05h, 00h, 00h, 00h =

bit 0 is 1 → GPIO0 = 1

bit 1 is 0 → GPIO1 = 0

bit 2 is 1 → GPIO2 = 1

The other bits are ignored because there are only eight configurable pins on

the xPico.

xPico User Guide 66

ROM File

COB

xpico_6800.rom

xpico_webm_1900.cob

10. Firmware Upgrades

Obtaining Firmwa re

You can obtain the most up-to-date firmware and release notes for the unit from the
Lantronix web site (

ftp.lantronix.com/pub).

FTP (

Reloading Firmwa re

There are several ways to update the unit's internal operational code (*.ROM): using
DeviceInstaller (the pref er r ed wa y), using TFTP, or using the serial port. You can also
update the unit's internal Web interface (*.COB) using TFTP or DeviceInstaller.

www.lantronix.com/support/downloads) or by using anonymous

Here are typical names for those files. Check the Lantronix web site for the latest
versions and release notes.

Table 10-1. Firmware Files

Please refer to the DeviceInstaller online Help for information about reloading
firmware using DeviceInstaller. The other methods are discussed below.

Using TFTP: Graphical User Interface

To download new firmware from a computer:

1. Use a TFTP client to put a binary file to the unit (*.ROM to upgrade the unit's

internal operational code and *.COB to upgrade its internal web interface).

Note: TFTP requires the .rom (binary) version of the unit's internal operational code.

2. In the Host field, enter the IP address of the unit being upgraded.

3. In the Port field, enter 69.

4. Enter the full path of the firmware file in the Local File field.

5. In the Remote File field, enter the current i nter n al ope ration al c ode or WEB1 to

WEB6 for the internal web interface.

xPico User Guide 67

10: Firmware Upgrades

Figure 10-1. TFTP Window

6. Click the Put button to transfer the file to the unit. The unit performs a power

reset after the firmware has been loaded and stored.

After the firmware has been loaded and stored, which takes approximately 8 seconds
to complete, the unit performs a power reset.

Using TFTP: Command Line Interface

To download new firmware from a computer:

1. Enter the following from a TFTP command line interface:

tftp –i <ip address> put <local filename> <destination file

name>

The following examples demonstrate the TFTP command sequence to download the
.rom file and the .cob file:

tftp –i 192.168.1.111 put xpico_6800 X6

tftp –i 192.168.1.111 put xpico_webm_1900.cob WEB1

xPico User Guide 68

10: Firmware Upgrades

Recovering the Firmware Using the Serial Port and DeviceInstaller

If for some reason the firmware is damaged, you can recover the firmware file by
using DeviceInstaller to download the *.ROM file over the serial port.

To recover firmware:

1. Start DeviceInstaller. If your PC has more than one network adapter, a message

displays. Select an adapter and click OK.

2. From the Tools menu, select Advanced/Recover Firmware. The Serial Port

Firmware Upgrade window displ a ys.

3. For Port on PC, enter t he CO M port on the PC that is connected to the serial

port of the Lantronix unit.

4. For Device Model, be sure the appropriate xPico module is shown (xPico).

5. For Firmware File, click the Browse button and go to the location where the

firmware file resides.

Note: Make sure the xPico on which you are recovering firmware is connected to this

selected port on your PC.

6. Click OK to download the file.

7. When prompted, reset the device. Status messages and a progress bar at the

bottom of the screen show the progress of the file transfer. When the file transfer
completes, the message “Successful, Click OK to Close” appears.

8. Click the OK button to complete this procedure.

Note For more information, see Recovering Firmware in the DeviceInstaller online

Help.

xPico User Guide 69

11. Monitor Mode

Monitor Mode is a command-line interface used for diagnostic purposes.
There are two ways to enter Monitor Mode: locally using the serial port or remotely

using the network.

Entering Monitor M ode Using the Serial Port

To enter Monitor Mode locally:

1. Follow the same steps used for setting the serial configuration parameters

(see Serial Port on page 35).

2. Instead of typing three x keys, however:

3. Type zzz (or xx1) to enter Monitor Mode with network connections.

4. Type yyy (or yy1) to enter Monitor Mode without network connections.

A 0> prompt indicates that you have successfully entered Monitor Mode.

Entering Monitor M ode Using the Network Port

To enter Monitor Mode using a Telnet connection:

1. Establish a Telnet session to the configuration port (9999). The following

message appears:

MAC address 0080A366000E

Software version V6.8.0.0RC4 (120327) XPICO

AES library version 1.8.2.1

Press Enter for Setup Mode

2. Type M (upper case).

A 0> prompt indicates that you have successfully entered Monitor Mode.

Monitor Mode Commands

The following commands are available in Monitor Mode. Many commands have an IP
address as an optional parameter (xxx.xxx.xxx.xxx). If you enter the IP address, the
command is applied to another unit with that IP address. If you do not enter the IP
address, the command is executed locally.

Note: All commands must be in capital letters. Responses to some of the commands

are in Intel Hex format.

xPico User Guide 70

Table 11-1. Monitor Mode Commands

Command

Command Name

Function

VS x.x.x.x

Version

Queries software header record (16 bytes) of unit
with IP address x.x.x.x.

GC x.x.x.x

Get Configuration

Gets configuration of unit with IP address x.x.x.x as
hex records (120 bytes).

SC x.x.x.x

Send Configuration

Sets configuration of unit with IP address x.x.x.x
from hex records.

PI x.x.x.x

Ping

Pings unit with IP address x.x.x.x to check device
status.

AT

ARP Table

Shows the unit’s ARP table entries.

TT

TCP Connection
Table

Shows all incoming and outgoing TCP connections.

NC

Network Connection

Shows the unit’s IP address, gateway, subnet
mask, and DNS server.

RS

Reset

Resets the unit’s power.

QU

Quit

Exits diagnostics mode.

G0, G1, ....,Ge, Gf

Get configuration
from memory page

Gets a memory page of configuration information
from the device.

S0, S1,...,Se, Sf

Set configuration to
memory page

Sets a memory page of configuration information
on the device.

GM

Get MAC address

Shows the unit's 6-byte MAC address.

SS

Set Security record

Sets the Security record without the encryption key

are not overwritten).

SA

Scan

Initiates a wireless scan if the wireless interface is

only the BSSID and RSSI are returned.

NS

Network Status

Reports the network interfaces’ statuses. Includes

for wireless interfaces.

co

Set IP address,

Example:

OK.

11: Monitor Mode

and length parameters. The entire record must still
be written, but the encryption-specific bytes do not
need to be provided (they can be null since they

enabled. Reports any stations found, including
BSSID, SSID, and RSSI. If SA is followed by a
string, the string is used to filter SSIDs before
reporting. If the BSS does not broadcast its SSID,

potentially negotiated parameters like speed/duplex
for Ethernet or BSSID, encryption, authenticat ion

hostbits, gateway ,
and DNS server IP

co 192.168.0.10 8 192.168.0.1 10001 192.168.1.10
with

192.168.0.10 = IP address of the xPico
8 = number of hostbits

192.168.0.1 = gateway IP address
10001 = port number of the xPico Channel 1

192.168.1.10 = IP address of the DNS Server
The xPico stores the setup and performs a reset. It
sends an X before the reset if the command was

Note: Entering any of the commands listed above generates one of the following

command response codes:

xPico User Guide 71

11: Monitor Mode

Response

Meaning

0>

OK; no error

1>

No answer from remote device

2>

Cannot reach remote device or no answer

8>

Wrong parameter(s)

9>

Invalid command

Table 11-2. Command Response Codes

xPico User Guide 72

Problem/Message

Reason

Solution

When you issue the ARP –S

message displays.

Your currently logged-in

command on this PC.

Have someone from your IT

When you attempt to assign an

When you Telnet to port

address.

Telnet back to Port 1. Wait for it

When you Telnet to port 9999,

closed.

You did not press Enter

Telnet to port 9999 again, but

12. Troubleshooting

This chapter discusses how you can diagnose and fix errors quickly without having to
contact a dealer or Lantronix. It helps to connect a terminal to the serial port while
diagnosing an error to view summary messages that may display. When
troubleshooting, always ensure that the physical connections (power cable, network
cable, and serial cable) are secure.

Note: Some unexplained errors might be caused by duplicate IP addresses on the

network. Make sure that your unit's IP address is unique.

When troubleshooting the following problems, make sure that the xPico is powered
up. Confirm that you are using a good network connection.

Problems and Error M essages

command in Windows, the
"ARP entry addition failed: 5"

IP address to the unit by the
ARP method, the "Press Enter
to go into Setup Mode" error
"(described below) message
displays. Now when you Telnet
to the device server, the
connection fails.

the "Press Enter to go into
Setup Mode" message
displays. However, nothing
happens when you press
Enter, or your connection is

user does not have the
correct rights to use this

1 on the device server,
you are only assigning a
temporary IP address.
When you Telnet into
port 9999 and do not
press Enter quickly, the
device server reboots,
causing it to lose the IP

quickly enough. You only
have 5 seconds to press
Enter before the
connection is closed.

department log you in with
sufficient rights.

to fail, then Telnet to port 9999
again. Make sure you press
Enter quickly.

press Enter as soon as you
see the "Press Enter to go into
Setup Mode" message.

xPico User Guide 73

12: Troubleshooting

Problem/Message

Reason

Solution

When you Telnet to port 1 to

You may have entered

Confirm that the Ethernet

colons.

The IP address you are

Confirm that your PC has an IP

device server.

The device server may

Make sure that the Link LED is

network.

When you try to assign an IP

The cause is most likely

correct subnet mask.

Double-check the parameters

The device server is not

The most likely reason is

The serial settings for the serial

bit, no flow control.

When you try to enter the setup

The issue is most likely

Lock on.

Double-check everything in the

assign an IP address to the
device server, the Telnet
window does not respond for a
long time.

with DeviceInstaller, you get
the following :

"No response from device!
Verify the IP, Hardware
Address and Network Class.
Please try again."

the Ethernet address
incorrectly with the ARP
command.

trying to assign is not on
your logical subnet.

not be plugged into the
network properly.

one of the following:
The hardware address

you specified is incorrect.
The IP address you are

trying to assign is not a
valid IP for your logical
subnet.

You did not choose the

address that you entered with
the ARP command is correct.
The Ethernet address may only
include numbers 0-9 and letters
A-F. In Windows and usually in
Unix, the segments of the
Ethernet address are
separated by dashes. In some
forms of Unix, the Ethernet
address is segmented with

address and that it is in the
same logical subnet that you
are trying to assign to the

lit. If the Link LED is not lit, then
the device server is not
properly plugged into the

that you specified.

Note: You cannot assign an IP

address to a device server
through a router.

xPico User Guide 74

communicating with the serial
device to which it is attached.

mode on the device server
using the serial port, you get no
response.

the wrong serial settings
were chosen.

something covered in the
previous problem, or
possibly, you have Caps

device and the device server
must match. The default serial
settings for the device server
are RS-232, 9600 baud, 8
character bits, no parity, 1 stop

problem above. Confirm that
Caps Lock is not on.

12: Troubleshooting

Problem/Message

Reason

Solution

You can ping the device server,

There may be an IP

Turn the device server off and

disabled.

The device server appears to

If you are sure that the

You can check to see whether

When connecting to the Web-

Your computer is not

Make sure that port 30718

the device server.

but not Telnet to the device
server on port 9999.

be set up correctly, but you are
not communicating with your
device attached to the device
server across the network.

address conflict on your
network

You are not Telneting to
port 9999.

The Telnet configuration
port (9999) is disabled
within the device server
security settings.

serial port setting is
correct, then you may not
be connecting to the
correct socket of the
device server.

Another possibility is that
the device server is not
set up correctly to make
a good socket connection
to the network.

then issue the following
commands at the DOS prompt
of your computer:

ARP -D X.X.X.X (X.X.X.X is the
IP of the device server).

PING X.X.X.X (X.X.X.X is the
IP of the device server).
If you get a response, then
there is a duplicate IP address
on the network. If you do not
get a response, use the serial
port to verify that Telnet is not

there is a socket connection to
or from the device server by
checking the state of CPx, if
one of the CPs has been
configured for Serial Channel
Status LED functionality.

If the state of CPx is blinking
consistently, then there is a
good socket connection.

If the state of CPx is low, use
the Connect Mode option C0
for making a connection to the
device server from the network.
Use Connect Mode option C1
or C5 for a connection to the
network from the device server.
See the full list of Connect
Mode options in Connect Mode

xPico User Guide 75

Manager within the device
server, the "No Connection
With The Device Server"
message displays.

able to connect to port
30718 (77FEh) on the
device server.

(77FEh) is not blocked with any
router that you are using on the
network. Also, make sure that
port 77FEh is not disabled
within the Security settings of

Technical Support

If you are experiencing an error that is not described in this chapter, or if you are
unable to fix the error, you have the following options:

Technical Support US

Check our online knowledge base or send a question to Technical Support at

http://www.lantronix.com/support

Phone: [phone] (US Only)
[phone]

Technical Support Europe, Middle East, and Africa
Phone: [phone]

[phone] (Germany Only)

12: Troubleshooting

.

Email:
Firmware downloads, FAQs, and the most up-to-date documentation are available at

www.lantronix.com/support

When you report a problem, please provide the following information:

 Your name, and your company name, address, and phone number 
 Lantronix model number
 Lantronix MAC number
 Software version (on the first screen shown when you Telnet to port 9999)
 Description of the problem
 Status of the unit when the problem occurred (please try to include information

[e-mail] or [e-mail]

.

on user and network activity at the time of the problem).

xPico User Guide 76

Decimal

Binary

Hex

1

0001

1

2

0010

2

3

0011 3 4

0100

4

5

0101

5

6

0110 6 7

0111

7

8

1000

8

9

1001 9 10

1010 A 11

1011 B 12

1100 C 13

1101 D 14

1110 E 15

1111

F

A: Binary to Hexadecimal Conversions

Many of the unit’s configuration procedures require assembling a series of options
(represented as bits) into a complete command (represented as a byte). Convert the
resulting binary value to a hexadecimal representation.

Converting Binary to Hexadecimal

Following are two simple ways to convert binary numbers to hexadecimals.

Conversion Table

Hexadecimal digits have values ranging from 0 to F, which are represented as 0-9, A
(for 10), B (for 11), etc. To convert a binary value (for example, 0100 1100) to a
hexadecimal representation, the upper and lower four bits are treated separately,
resulting in a two-digit hexadecimal number (in this case, 4C). Use the following table
to convert values from binary to hexadecimal.

0 0000 0

Scientific Calculator

Another simple way to convert binary to hexadecimals is to use a scientific calculator,
such as the one available on Windows’ operating systems. For example:

1. On the Windows’ Start menu, click ProgramsAccessoriesCalculator.

2. On the View menu, select Scientific. The scientific calculator displays.

3. Select Bin (Binary), and type the number to convert.

xPico User Guide 77

4. Click Hex. The hexadecimal value displays.

A: Binary to Hexadecimal Conversions

xPico User Guide 78

• Lead (Pb)

• Mercury (Hg)

• Polybrominated biphenyls (PBB)

• Cadmium (Cd)

• Hexavalent Chromium (Cr (VI))

• Polybrominat ed dip he n yl eth ers (PB DE)

Product Family Name

Toxic or hazardous Substances and Elements

Lead

Mercury

Cadmium

Hexavalent
(Cr (VI))

Polybrominated

Polybrominated diphenyl
UDS1100 and 2100

0 0 0 0 0

0

EDS 0 0 0 0 0 0

MSS100 0 0 0 0 0 0

IntelliBox 0 0 0 0 0 0

XPress DR & XPress-DR+

0 0 0 0 0

0

SecureBox 1101 & 2101

0 0 0 0 0

0

WiBox 0 0 0 0 0 0

UBox 0 0 0 0 0 0

MatchPort

0 0 0 0 0

0

SLC 0 0 0 0 0 0

XPort 0 0 0 0 0 0

WiPort 0 0 0 0 0 0

SLB 0 0 0 0 0 0

SLP 0 0 0 0 0 0

SCS 0 0 0 0 0 0

SLS 0 0 0 0 0 0

DSC 0 0 0 0 0 0

PremierWave

0 0 0 0 0

0

Micro125 0 0 0 0 0 0

xPico 0 0 0 0 0 0

xPrintServer

0 0 0 0 0

0

B: Compliance

RoHS Notice

All Lantronix products in the following families are China RoHS-compliant and free of the following hazardous substances and
elements:

(Pb)

O: toxic or hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement in SJ/T11363-2006.
X: toxic or hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement in SJ/T11363-2006.

(Hg)

(Cd)

Chromium

biphenyls (PBB)

ethers (PBDE)

xPico User Guide 79