[Asterisk-Users] E1/T1 back to back ??

[Andrew Kohlsmith]

On March 14, 2005 06:43 am, Brett, Gary wrote:
> Just a quick question, I will be building some servers in a lab utilizing
> Digium E1 cards. I would like if possible to avoid the expense of
> installing an e1/ISDN30 in my lab. I have two questions really, first does
> anybody know of an effective simulation tool I can use to replicate a real
> world PRI but without the telco line being installed. And secondly, can I
> have a scenario with 2 asterisk servers with digium e1 cards 'back to back'
> one configured as the network side and the other configured as the client
> side (can I just use a single cat5 straight through cable between them ??
> and cant the Digium e1 cards operate ok in both modes?)

A standard Cat5 ethernet cable won't work, but a T1/E1 crossover cable made 
from Cat5 should work just fine.  I do this all the time with T1/PRI, I don't 
see why it wouldn't work with E1/PRI.

One side is set up as pri_cpe, and hte other as pri_net.

-A.