[Asterisk-Users] Non-PRI T1 showing red

[Craig Foley]

On Thu, 16 Sep 2004 16:12:10 -0700 (PDT),
lll at advancedcommunications.us <lll at advancedcommunications.us> wrote:
> Could anyone with any experience with * over a non-PRI T1 help this newbie?
> I have a fractional T1 that is working fine through a channel bank, but I
> can't get any response on * using a T400P. My analog line and the extensions
> work fine, but the T400P port 1 shows a red led (what exactly does that tell
> me?). I brought up zttool which shows a condition red also, but ztcfg shows
> nothing amiss.  There is no change when I unplug the cable to the T1 or
> re-insert it.  When I load * it gives no error messages, at least none that
> appear to be such to me.  I've looked thru all the related wiki info that I
> can find but I'm stumped.


On my E100P, a flashing red LED meant that there was no connection to
the ISDN.  When I switched the cable to a proper E1 cross over cable,
everything was fine.

Regards,
Craig.