asterisk users - Apr 2011 - Asterisk-Asterisk E1 connection

Dear, I have two Asterisk PBXs with an E1 interface/RJ-45 port in both
boxes. I need to connect both PBXs with E1/R2 and UTP cable.

What are the requirements to deploy the UTP cable ??? Straight-through
or crossover ??? What are the pinouts in both peers ???

Thanks a lot,

Alejandro

For PRI coross over cable following is pin layout

1 <---> 4
2 <---> 5
> Date: Mon, 11 Apr 2011 10:43:51 -0300
> From: aco1967 at gmail.com
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] Asterisk-Asterisk E1 connection
> 
> Dear, I have two Asterisk PBXs with an E1 interface/RJ-45 port in both
> boxes. I need to connect both PBXs with E1/R2 and UTP cable.
> 
> What are the requirements to deploy the UTP cable ??? Straight-through
> or crossover ??? What are the pinouts in both peers ???
> 
> Thanks a lot,
> 
> Alejandro
> 
> --
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You need a E1/T1 crossover cable, which isn't straight through or like a
network crossover cable.  Search online for T1 crossover and you'll find the
pinout.

Remember one node needs to be the clock source (and only one node).

Technically UTP isn't the right cable for E1/T1s, but if your distance
between boxes is a couple hundred feet or less, it will work fine.

You might also look at TDMoE.  Ethernet interfaces are a lot cheaper than E1s.

On Apr 11, 2011, at 7:43 AM, Alejandro Cabrera Obed <aco1967 at gmail.com>
wrote:
> Dear, I have two Asterisk PBXs with an E1 interface/RJ-45 port in both
> boxes. I need to connect both PBXs with E1/R2 and UTP cable.
> 
> What are the requirements to deploy the UTP cable ??? Straight-through
> or crossover ??? What are the pinouts in both peers ???
> 
> Thanks a lot,
> 
> Alejandro
> 
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
>               http://www.asterisk.org/hello
> 
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users