RE: [nsp] a Cisco module question!

From: Todd, Douglas M. (DTODD@PARTNERS.ORG)
Date: Sat Mar 09 2002 - 12:01:35 EST


 ATM-T1 is for ATM over a IMA circuit (Inverse Multiplexing)
Look for IMA on CCO. Basically IMA allows you to have ATM as
your transport over a DS1 (T1).

BRI - Basic Rate Interface - is used for ISDN 2B1D channels. This is for
q931,q921 signalling. ISDN is digital dialup (basically). The channels are
2*64K (B channels) and 1 16K D channel. The B channels can be setup via your
provider in the following configs:
1B voice
1B voice/data
1B Data

The D channel is often used just for signalling but other uses for this do
exist.

Hope this helps.

DTODD

-----Original Message-----
From: Mehta, Phoram
To: cisco-nsp@puck.nether.net
Sent: 3/8/02 3:55 PM
Subject: [nsp] a Cisco module question!

what is the difference between an Atm-T1 module and a BRI module. can i
use
bri in place ATM-T1?

Phoram Mehta
Trabon Solutions
Network Engineer
Email:pmehta@trabonsolutions.com
<mailto:Email:pmehta@trabonsolutions.com>
Tel: (816) 276 2500 ext: 519



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