Serial port communication issues Serial loopback testing
Digi CM and Passport Troubleshooting Guide
20
3. Verify the serial port configuration for Telnet.
a. Click Serial port > Configuration.
b. Select the port number.
c. Expand Host mode configuration section.
d. Verify these settings:
n Host mode: Console server
n Listening TCP port: an entry should be made
n Protocol: Telnet
4. From a Microsoft Windows CMD line, Unix/Linux prompt, or terminal emulator software, such
as PuTTY or HyperTerminal, telnet to the IP address and the listening port number of the Digi
CM unit. For example:
C:\> telnet 192.168.0.2 7001
5. You are prompted to log in.
n User name: The default user name is root.
n Password: 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.