[VoiceOps] Adtran 924 PRI

[Matthew S. Crocker]

The Adtran 90x series is a swiss army knife of VoIP.  They can do just about anything.  We have a bunch in service, love them.

10 year warranty is pretty nice too


----- Original Message -----
> From: "Jay Hennigan" <jay at west.net>
> To: voiceops at voiceops.org
> Sent: Monday, January 3, 2011 9:35:21 PM
> Subject: Re: [VoiceOps] Adtran 924 PRI
> On 1/2/11 6:35 PM, Eric Hiller wrote:
> > Does phone equipment see the Adtran 924 PRI as a true PRI? Ie. can
> > this be
> > used in place of a true PRI? Are there any hangups I should know
> > about? I
> > was just going to use this to provide PRI to a customer over SIP
> > rather
> > than have to run a PRI as well.
> 
> Yes, it works well. We have several dozen in service. Many options re
> switch type, name display, user/network, etc. Very flexible box. No
> real issues. North America only. No E-1, 120 VAC mains or 48-volt
> battery (intended as backup but you can power the box from it.)
> 
> Unless you also need numerous analog ports, the 904 is much less
> expensixe and does PRI just fine.
> 
> > Any advice with the 924?
> 
> They work well, no real problems. Be careful to set clocking in a
> sensible manner. If you feed the 924 from a data T1, clock from line
> on
> that and pass it through to the PRI. If the PRI is the only T1 in the
> system, clock internally. If the PBX also has a PRI from another
> carrier, clock from the customer PBX and fall back to internal.
> 
> Ground the Adtran and the PBX to a common earth ground. This is
> especially important if you use the analog ports.
> 
> Strangely, Adtran includes wall brackets with these but no rack ears.
> You can order them separately. The 904 and 908 are too narrow to
> conventionally rack mount.
> 
> --
> Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
> Impulse Internet Service - http://www.impulse.net/
> Your local telephone and internet company - 805 884-6323 - WB6RDV
> _______________________________________________
> VoiceOps mailing list
> VoiceOps at voiceops.org
> https://puck.nether.net/mailman/listinfo/voiceops

-- 
Matthew S. Crocker
President
Crocker Communications, Inc.
PO BOX 710
Greenfield, MA 01302-0710
http://www.crocker.com
P: 413-746-2760