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NM-30DM Back-to-Back-test on 3620 router

Hello sir,

I have a cisco 3620 router with 1no. 1FE-2CE1-B/U PRI module and 1no. NM-30DM installed.

I want to perform modem self test on all the 30 Integrated Digital modems using cisco ios command-Test modem back-to-back.

But i am not getting the modem option after i give test command under global configuration mode

kindly advice

1 REPLY
Cisco Employee

Re: NM-30DM Back-to-Back-test on 3620 router

Test modem back-to-back is not supported on 36xx platforms..You don't even see the command in ios..

Now here is the workaround to test the modems back-to-back in 3600 platforms. If you have two port T1/E1, use crossover cable between them (T1/E1 crossover)..Make one port networkside and one port user side..Generate a modem calls from one to another T1/E1..Its little uneasy workaround.

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