Digi CM Manuale utente

Digi CM and Passport

Troubleshooting Guide

Revision history—90002380

Revision Date Description

A June 2016 Initial release.

B January 2020 Updated and edited for unique password

change.

Trademarks and copyright

Digi, Digi International, and the Digi logo are trademarks or registered trademarks in the United

States and other countries worldwide. All other trademarks mentioned in this document are the

property of their respective owners.

Disclaimers

Information in this document is subject to change without notice and does not represent a

commitment on the part of Digi International. Digi provides this document “as is,” without warranty of

any kind, expressed or implied, including, but not limited to, the implied warranties of fitness or

merchantability for a particular purpose. Digi may make improvements and/or changes in this manual

or in the product(s) and/or the program(s) described in this manual at any time.

Warranty

To view product warranty information, go to the following website:

www.digi.com/howtobuy/terms

Send comments

Documentation feedback: To provide feedback on this document, send your comments to

techcomm@digi.com.

Customer support

Digi Technical Support: Digi offers multiple technical support plans and service packages to help our

customers get the most out of their Digi product. For information on Technical Support plans and

pricing, contact us at +1 952.912.3444 or visit us at www.digi.com/support.

Digi CM and Passport Troubleshooting Guide 2

Contents

Introduction to Digi CMand Passport Troubleshooting Guide

Failure to Boot (Corruption)

Device fails to boot and the READYLEDis not illuminated 6

Configuration data destroyed or corrupt 7

Network communication issues

No network connectivity 9

Serial port communication issues

Cable pinouts for connecting to Cisco/Sun RJ45 console ports 13

Cable pinouts for connecting DB9 and DB25 consoles and modems 13

DB-9 female console (DTE device) adapter 13

DB-25 female console (DTE device) adapter 14

DB-9 male console (DCE device) adapter 14

DB-25 male console (DCE device) adapter 15

Kill serial port connection 15

Reset a serial port 17

Reset a Digi CM serial port 17

Reset a Digi Passport serial port 18

Serial loopback testing 19

Java Support

Chrome 22

Internet Explorer or Firefox and security errors 22

Inactivity timeouts

Web server inactivity timeout 23

Serial port inactivity timeout 23

Port Access menu inactivity timeout 24

CLI Configuration Menu inactivity timeout (Digi Passport ONLY) 25

Digi CM and Passport Troubleshooting Guide 3

Digi CM and Passport Troubleshooting Guide 4

Authentication configuration

Web server authentication 26

Port Access menu authentication 26

Direct serial port authentication 27

Command Line (CLI) authentication 28

Security scan vulnerabilities

Digi CM change and feature requests

Introduction to Digi CMand Passport

Troubleshooting Guide

This guide contains troubleshooting information for common problems, and applies to the following

models:

nDigi CM (all models)

nDigi Passport (all models)

You can use the web interface to configure the firmware on the device. You are required to log in to

the web interface each time you access the interface.

1. Run the Device Discovery Utility or DPA utility.

2. Select the device from the device list.

3. Click Open web interface. A log in screen displays.

4. Enter the user name and password.

nUser name: The default user name is root.

nPassword: The unique, default password is printed on the device label. If a password is

not printed on the label, the password is dbps. If neither password works, the

password may have been updated. Contact your system administrator.

5. Click Sign in.

Digi CM and Passport Troubleshooting Guide 5

Failure to Boot (Corruption)

Device fails to boot and the READYLEDis not illuminated

Reset device to factory default

The Digi CM and Passport units can be reset to factory defaults by pressing and holding the hardware

factory reset button until the Ready LED on the front panel goes out.

Digi CM factory reset button:

Digi Passport factory reset button:

Follow recovery procedure

If the Digi CM or Passport units still fail to boot up, perform the recovery procedure.

1. Connect the console port on the rear panel of the Digi unit to a serial port on a workstation.

Use an Ethernet cable with a DB-9 adapter (one is shipped with the product and labeled as

console).

Digi CM and Passport Troubleshooting Guide 6

Failure to Boot (Corruption) Configuration data destroyed or corrupt

Digi CM and Passport Troubleshooting Guide 7

2. Set up a terminal emulation program such as HyperTerminal or PuTTY. Use the following port

parameters:

nbaud = 9600

ndata bits = 8

nparity = none

nstop bits = 1

nflow control = none

3. Reboot or power on the Digi unit.

4. Press the ESC key within three seconds of applying power to the device. The bios menu

appears.

5. Press 3:Firmware upgrade. The Firmware Upgrade menu appears.

6. Enter the information for the first menu items:

nProtocol: The choices are BOOTP or TFTP

nIP address assigned: Enter the IP address of the Digi unit

nServer IP address: The IP address of the BOOTP or TFTP server

nFirmware File Name: The filename for the firmware

Note Press the ESC key to back up to earlier menu screens.

7. Choose Start firmware upgrade. The firmware upgrade will take several minutes to process.

8. When the upgrade process is complete, press ESC to return to the main menu.

9. Choose Exit and boot from flash.

If this procedure fails to recover the unit, pursue an RMA.

Configuration data destroyed or corrupt

If the configuration data is destroyed or corrupted, the Digi console server automatically restores a

corrupted configuration file system to the factory default settings. However, if the Digi unit fails to

boot in spite of being reset to the factory default settings, the firmware can be restored by using the

Boot Loader program. To restore the Digi unit to the factory default configuration settings, you will

need to use a TFTP or BOOTP server to download the firmware from.

Failure to Boot (Corruption) Configuration data destroyed or corrupt

Digi CM and Passport Troubleshooting Guide 8

To use the Boot Loader program to flash new firmware, do the following:

1. Connect the console port on the rear panel of the Digi unit to a serial port on a workstation.

Use an Ethernet cable with a DB-9 adapter.

2. Set up a terminal emulation program such as HyperTerminal or PuTTY. Use the following port

parameters:

nbaud = 9600

ndata bits = 8

nparity = none

nstop bits = 1

nflow control = none

3. Reboot or power on the Digi unit.

4. Press the ESC key within three seconds of applying power to the device. The bios menu

appears.

5. Press 3:Firmware upgrade. The Firmware Upgrade menu appears.

6. Enter the information for the first menu items:

nProtocol: The choices are BOOTP or TFTP

nIP address assigned: Enter the IP address of the Digi unit

nServer IP address: The IP address of the BOOTP or TFTP server

nFirmware File Name: The filename for the firmware

Note Press the ESC key to back up to earlier menu screens.

7. Choose Start firmware upgrade. The firmware upgrade will take several minutes to process.

8. When the upgrade process is complete, press ESC to return to the main menu.

9. Choose Exit and boot from flash.

If this procedure fails to recover the unit, pursue an RMA.

Network communication issues

No network connectivity

Perform this troubleshooting process if the unit is not reachable on the network.

1. Check the LED activity for the Ethernet port. There should be a solid green for the 100Mbps LED

and flashing green for the Link/Act LED.

2. Make sure you are not behind a firewall or running any third party firewall software on your PC.

Digi CM and Passport Troubleshooting Guide 9

Network communication issues No network connectivity

Digi CM and Passport Troubleshooting Guide 10

3. Ping the IP address: ping <ip address>

Where the <ip address> represents the IP address assigned to the unit. If pinging the

device is unsuccessful, access the unit directly from the console port to confirm the network

settings.

a. Set up a terminal emulation program, such as HyperTerminal, using the following

port parameters to the console port:

nbaud = 9600

ndata bits = 8

nparity = none

nstop bits = 1

nflow control = none

b. Log in to the web interface on the device.

c. At the prompt, type: configmenu

d. In the Configuration menu, select menu item 1: Network configuration.

e. Select menu item 1: IP configuration.

f. Configure the network settings as appropriate for the local network.

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