North American Network Operators Group

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Re: Channelized T1's & Remote Access Routers

  • From: John Fraizer
  • Date: Sat Oct 07 02:05:35 2000

On Fri, 6 Oct 2000, Roland Dobbins wrote:

> I've done something similar in the past by using external Adtran DSUs
> with pass-through capability.  I set the channel-map in the DSU to pull
> the channels out which are used for voice, FAX, etc. and get/pass them
> from/to the PBX using a DSX-1 interface before they ever hit the V.35
> interface which plugs into the back of the router.  
> In this configuration, the router neither knows nor cares about the
> channels which aren't used for data traffic.

Even using the DSX-1, wouldn't she need 2-wire ringdown cards to supply
POTS lines to the fax?  Seems like it would be less expensive than putting
in a PBX to handle fax traffic.

John Fraizer
EnterZone, Inc