RE: HSSI-adtran

[Philip Lavine <source_route () yahoo com>]

More clues. It seems that everytime I ping with the
0000 pattern the controller counter:
rx_soft_overrun_err=27473, increments. 

Philip

--- Tim McKee <tim () baseworx net> wrote:

> This is most likely a framing or line-encoding
> mismatch, such as B3ZS vs
> PLCP on the physical DS3 or M13/M23 vs CBIT. 
>
> -----Original Message-----
> From: owner-nanog () merit edu
> [mailto:owner-nanog () merit edu] On Behalf Of
> Philip Lavine
> Sent: Monday, September 20, 2004 1:26 PM
> To: nanog
> Subject: Re: HSSI-adtran
>
>
> To all,
>
> I tried the attenuator and they failed to provide
> any relief. 
>
> Philip
> --- Alex Bligh <alex () alex org uk> wrote:
>
> > --On 20 September 2004 07:56 -0700 Philip Lavine 
> > <source_route () 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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