Re: [Asterisk-Users] Red Alarm

[Steve Underwood]

An E1 can be a long way from the box with the right cable. However many 
people use the wrong cable. Using a LAN cable for an E1 often gives 
errors if the cable is more than just a few metres long. Although the 
plugs look the same, the twisted pairs should be grouped differently in 
an E1 cable, and it really makes a difference. If the drop cable is only 
a couple of metres long, a LAN cable is usually adequate. This is also 
true for T1s.

Regards,
Steve
Bisker, Scott (7805) wrote:

How far is your server from the telco box?  I found that with extended
distances, my reliabilty was significantly decreased.  If you still have
problems, check your RJ-48X jack for connection problems.
-sb



-----Original Message-----
From: Eduardo Goncalves [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 04, 2003 5:02 AM
To: [EMAIL PROTECTED]
Subject: Re: [Asterisk-Users] Red Alarm
On Mon, 3 Nov 2003 17:15:21 -0600
Don Pobanz <[EMAIL PROTECTED]> wrote:
 

	Sometimes I receive a Red Alarm in my E1 trunk (E&M immediate
	start
signaling), and just few seconds after this, all alarms are 
       

cleared.
   

	This problem ocurrs many times/day, and if are calls in
	progress,
these calls just hang-up.
	Could it be an asterisk bug? Or may I contact the PSTN provider?
       

I'd suggest your telco doing loopup and checking the circuit.

     

    My telco checked the circuit last night and didn't find anything
wrong.
        Now I'm lost. What should I check to find what's going on?


Eduardo
 



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