At 07:56 AM 12/27/00 -0800, F. David Sinn wrote:
>The channelized E1 card can work as you describe. It won't
>automatically be able to identify the timeslots, you will need
>to configure them based on how the Telco maps the two
>circuits. Once configured it will look like you have two
>serial interfaces, each mapped to the appropriate customer
>location.
The new T1/E1 PA for the 7200 (PA-MCX-xTE1) has the ability to
work as described below, that's referred as Drop and Insert in
Cisco literature. It's also interesting for the E1 world because
it has a 4 port version previously not available.
/pab
>
>One thing it will not do is act as a actual digital cross
>connect. You can not map channels through it (i.e. take
>channel A and map it to channel B), it will only terminate
>channels. It also does not have the ability to act as a
>add/drop CSU/DSU. Any channels you want pulled off for other
>applications, need to be done before it gets to the router.
>
>David
>-----Original Message-----
>From: Vinod Anthony Joseph Cherunni [mailto:vac@dsqworld.com]
>Sent: Wednesday, December 27, 2000 4:09 AM
>To: cisco-nsp@puck.nether.net
>Subject: [nsp] Chanelized E1
>
>Dear All,
>
>Once again I'm back with a question in my mind. In the
>following scenario, wherein a customer has the following
>requirement
>
>1. He needs a 1 Mbps circuit to location A (Circuit 1).
>2. Also a 512 Kbps circuit to location B (Circuit 2).
>
>Now if he opts for a 2 Mbps E1 stream as the last mile to the
>service provider with a RAD Time division Mux for mapping the
>appropriate timeslots to the correct destination. In our case
>assume he maps 16 slots for circuit 1 & 8 slots for circuit 2.
>Now at my end (Service provider end) I plan to us a Cisco 3662
>with a channelized E1 card (NM-2CE1B), Will the router be able
>to identify the timeslots from the customer & route to the
>appropriate destination, Since the E1 card can be configured
>with IP interfaces which has been created by grouping E1
>channels. Can the E1 card be looked at as a Digital cross
>connect.
>
>Kindly advice.
>
>With warm regards,
>Vinod.
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