[asterisk-users] using E1 PRI lines

[Duncan Turnbull]

On 30/07/2013, at 4:22 PM, Akib Sayyed <akibsayyed at gmail.com> wrote:

> I didnt understand what you were saying.can you please explain
> 
> I am using digium cards
> 
> sent from android
> 
E1 PSTN line interfaces are either unbalanced 75 ohm( and used to use BNC connectors ) or a 120 ohm balanced twisted pair. 

The other standard is T1 and digium cards can let you choose between T1 & E1 and definitely do 120 ohm 

Telco's will usually provide 120ohm twisted pair interfaces as it travels further and has less interference from noise. 


> On Jul 30, 2013 6:55 AM, "James zhu" <zhulizhong at live.com> wrote:
> hello:
> you can add T1_E1 by load card drivers
> 
> Best regards, 
> James.zhu
> website: www.hiastar.com
> 
> From: akibsayyed at gmail.com
> Date: Mon, 29 Jul 2013 21:48:19 +0530
> To: asterisk-users at lists.digium.com
> Subject: Re: [asterisk-users] using E1 PRI lines
> 
> 
> 
> 
> On Mon, Jul 29, 2013 at 9:20 PM, Gareth Blades <mailinglist+asterisk at dns99.co.uk> wrote:
> On 29/07/13 16:28, Akib Sayyed wrote:
> Dear asterisk users
> 
> 
> I wanted to use E1 pri lines on my asterisk box but my provider support only 120ohm on E1 line. I dont know how to set those values.
> 
> Please help me
> 
> Its done on whatever interface cards you have. Some may have a jumper setting. I know Sangoma has it in their configuration file (wanpipe).
> I am using digium card TE410P. can anyone help me how to change jumper settings 
> 
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> 
> -- 
> Akib Sayyed
> Matrix-Shell
> akibsayyed at gmail.com
> akibsayyed at matrixshell.com
> Mob:- +91-966-514-2243
> 
> 
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