[asterisk-users] PRI Test Lab

[Alex Balashov]

On Fri, 13 Feb 2009 09:18:49 +0000 (GMT), Lee Wilson <leefm40 at yahoo.co.uk>
wrote:
> Hey Everyone,
> 
> I would like to start testing/playing with PRI channels but I don't have
> access to a PRI line.  Is it possible to do the equivilent of a crossover
> between two PRI Cards (say Digium's TE120P)?
> 
> What I was thinking is that I could set one asterisk box up with a PRI
> card set as the TE and provide clocking and another box exactly the same
> but with the card setup as NT.
> 
> I think I would also need to wire up the correct type of crossover as a
> standard ethernet crossover would not work or would it?

Standard Ethernet crossover will not work.  However, you can make a T1
crossover cable out of CAT-5 using a different pinout:

http://www.ldfacts.com/faq_files/How-to-Make-a-T1-Crossover-cable.htm

-- 
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
Tel    : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
Mobile : (+1) (678) 237-1775