[Asterisk-Users] linking 2 isdn30 and 2 meridian cards

[Asterisk]

Solved (I think - I'll need to unplug the system in a few hours)

My eyesight is failing me. I wired the bloody cable up wrong. Used 1234
instead of 12 45

Many apologies for wasting your time (and everyone else's)

Many thanks for the advice.


Julian

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Peter Svensson
Sent: 24 November 2004 07:34
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] linking 2 isdn30 and 2 meridian cards

On Tue, 23 Nov 2004, Asterisk wrote:

> At the moment, I have the following working scenario:
> 
> isdn30B->(1)te410p(2)->merdian(B)
> isdn30A->meridian(a)->te410p(2)
> 
> IOW, two isdn30 lines, one going to * span 1, the other going to the 
> meridian (pri card a), which then is connected to * by pri card (B) 
> into span 2
> 
> What I wanted to do was
> 
> isdn30B->(1)te410p(2)->merdian(B)
> isdn30A->(3)te410p(4)->meridian(a)
> 
> IOW two ISDN30 lines, one going to * span 1, the other to * span 3. * 
> is linked to the meridian card A by span 2 and card B by span 4.
> 
> However: * reported everything was fine except span 4 - the D channel 
> kept going up and down, and I got a Clock Controller error and red 
> alarm on the merdian.

Does zttool on the Asterisk box show anything interesting? The files in
/proz/zaptel/* may provide some insight.

Have you verified that _all_ your spans are set to E1? If the card is
configured via the jumpers there could be a weak connection.

Finally, are you sure the cable connecting the two is ok and properly
crossed over? From your schematics above you will need a cross over cable
when connecting span 4 on asterisk to the meridian.

[snip]

> The channel numbers do not seem right to me - although it works when I 
> have my working scenario !!

The channel numbers seem correct to me.

Peter


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