Cable Modem Serial Port Access From an AP
Commands can be sent to the cable modem from the privileged mode of the CLI. Use the command to take
a text string and send it to the cable modem UART interface. The cable modem interprets the text string as
one of its own commands. The cable modem response is captured and displayed on the Cisco IOS console.
Up to 9600 characters are displayed from the cable modem. Any text that is greater than 4800 characters is
truncated.
The modem commands are only operational on mesh APs that have devices connected to the UART port
originally intended for the cable modem. If the commands are used on a mesh AP that does not have a cable
modem (or any other device connected to the UART), the commands are accepted, however, but they do not
produce any returned output. No errors are explicitly flagged.
Configuration
Enter the following command from the privileged mode of the MAP:
AP#send cmodem timeout-value modem-command
Cisco Mesh Access Points, Design and Deployment Guide, Release 7.3
210 OL-27593-01
Troubleshooting
Cable Modem Serial Port Access From an AP
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