[c-nsp] Trouble with a NM-2CT1-CSU module
Bruce Pinsky
bep at whack.org
Wed Aug 3 20:08:49 EDT 2005
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Eric Kagan wrote:
| Confirm the router with the CT controller card is set to 64k not 56k. There
| is a speed command option on the controller channel-group. I get burned
| with this on the VWIC-xMFT-T1 all the time !
|
| controller T1 1/1
| <snip>
| channel-group 0 timeslots 1-24 speed 64 <---- note speed 64. I think
| default is 56k.
|
Ah, yes a good point. As mentioned at:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/dial_r/dia_c1g.htm#wp1108669
the default is 56K and the output of the "show service-module" confirms 64K
channels:
rio_rancho_management_router#show service-module Serial0/1
Module type is T1/fractional
~ Hardware revision is 0.96, Software revision is 0.2,
~ Image checksum is 0xED22BEC5, Protocol revision is 0.1
Receiver has no alarms.
Framing is ESF, Line Code is B8ZS, Current clock source is line,
Fraction has 24 timeslots (64 Kbits/sec each), Net bandwidth is 1536
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This mismatch would certainly cause a framing error :-)
- --
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bep
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