[asterisk-users] E1 crossover system

[Scott Stingel]

Hi Paul-

Just checking that you have a proper E1 crossover cable?  (not a CAT5/6 
crossover or patch cord - they are not the same)

Crossover is wired as per:

http://www.evtmedia.com/designersFAQ.htm#Make%20E1/T1%20crossover

Most likely you would need a straight-thru cable for your application I 
would think, not a crossover, but I mention it anyway.

Best regards,
Scott Stingel

evtmedia.com


Paul Hales wrote:
> I am setting up an E1 crossover system for a customer, with a Siemens
> Hipath Officecom 150 system.
> 
> And it's not working - I get a red alarm from the outside world, and a
> yellow from the PABX.
> 
> Any ideas? We have tried E1 crossovers and straight cables on both
> connections, with no more luck.
> 
> Frame type? Cabling? Timimg?
> 
> Any ideas at all? Anyone?
> 
> PaulH
> 
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