[Asterisk-Users] RE: Noise on ZAP channel

[Geoff Manning]

brett at websmyths.com wrote:
> Also - an outside chance - make sure Tip and Ring
> are correct. You could be getting ground loops - depends on the noise.
> 

I am having noise and slip errors between my TE110P and a legacy PBX T1
card. Could this be the same symptom? The connection is made using a 15 pin
serial on the T1 Card side to RJ48 on the TE110P side. I can't determine
what the pinout is on the serial side.

Thanks,
Geoff