[Asterisk-Dev] Raw E1 capture

Michael Beukman michael at quaint.co.za
Wed Jul 27 09:15:28 MST 2005


Hi Kevin,

Thanks for the input.  For some of my applications I actually dont 
need timeslot 0, so I could probably still use the TE110P in some 
cases.  

Could you however point me in the direction of a CSU/DSU V.35 card
that will do the trick?

Regards,
Michael

-----Original Message-----
From: asterisk-dev-bounces at lists.digium.com
[mailto:asterisk-dev-bounces at lists.digium.com]On Behalf Of Kevin P.
Fleming
Sent: Wednesday, July 27, 2005 4:13 PM
To: Asterisk Developers Mailing List
Subject: Re: [Asterisk-Dev] Raw E1 capture


Michael Beukman wrote:

> So its very important that I capture the E1 raw.
> 
> Is this possible, and could you point me in the right direction?

To put it simply, no. Since the TE110P is a _channelized_ card, you 
cannot receive the raw stream from the E1 via that card. You can receive 
the raw contents of each channel, but you would have to synchronize them 
in your storage system yourself, which would be non-trivial. Using a 
TE110P card for E1 physical layer protocol analysis would not be a good 
choice :-(

If you really need the raw bit-stream from the E1, you need an 
unchannelized card, or a CSU/DSU and a V.35 interface that will let you 
see the whole stream (minus the clocking channel, of course).
_______________________________________________
Asterisk-Dev mailing list
Asterisk-Dev at lists.digium.com
http://lists.digium.com/mailman/listinfo/asterisk-dev
To UNSUBSCRIBE or update options visit:
   http://lists.digium.com/mailman/listinfo/asterisk-dev






More information about the asterisk-dev mailing list