HSSI-adtran

Mon Sep 20 17:26:20 UTC 2004

To all,

I tried the attenuator and they failed to provide any
relief. 

Philip
--- Alex Bligh <alex at alex.org.uk> wrote:

> 
> 
> 
> --On 20 September 2004 07:56 -0700 Philip Lavine
> <source_route at yahoo.com> 
> wrote:
> 
> > I am having a problem witha DS3 that terminates
> into a
> > Adtran CSU (T3SU-300) and then into a 7200 with
> HSSI.
> > I can not ping with a 0000 data pattern and I
> > experience packet loss and errors when I pass TCP
> > traffic.
> >
> > Adtran recommended an attenuator.
> >
> > What is the issue here? Is the signalling
> incompatible
> > with a PA-T3+. Should I be wasting my time with an
> > external CSU?
> 
> Last time I looked, PA-T3+ were even MORE fussy
> about the need
> for attenuation than the non-"plus" variants (of the
> "never actually
> work with a BT DS-3 delivered as standard" sort of
> fussy). So yes
> you are probably wasting your time with an external
> CSU, but you
> are also quite likely to need attenuators anyway.
> 
> Alex
> 

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