[asterisk-users] (OT) DS3 Barrel/T-connector/Adtran MX2800 Problems

[BJ Weschke]

On 8/4/06, Steve Totaro <stotaro at asteriskhelpdesk.com> wrote:
> BJ Weschke wrote:
> > On 8/4/06, Steve Totaro <stotaro at asteriskhelpdesk.com> wrote:
> >> I am not totally up to speed on the MX2800 but I have gone to loopback
> >> tests and loop T1 25-28 and selected every possible selection while
> >> watching pri debug span 1 on the console, no output at all.
> >>
> >> Jerry Jones wrote:
> >> > If you see no errors on your MX2800 for the ds3 then they are probably
> >> > not the issue.
> >> >
> >> > What does the MX2800 show for T1 which do not work? If you loop toward
> >> > * does the card see itself? Loop toward GX do they see?
> >> >
> >> >
> >> > On Aug 4, 2006, at 11:15 AM, Steve Totaro wrote:
> >> >
> >> >> I have a DS3/T3 that was dropped into my telco closet as two coaxial
> >> >> cables.  A send and receive.  I needed to extend it so I went to
> >> >> Radio Shack to buy some barrel connectors.  They did not have any but
> >> >> they did have T-Connectors so I bought a couple of those.
> >> >> Everything was fine up until I went to turn up the seventh set of
> >> >> four T1s.  They will not come up, no Asterisk output or greenlight on
> >> >> a Digium TE410.  Global Crossing says they only responsible for the
> >> >> DS3.  I wonder if the T-Connectors could be the problem?
> >> >>
> >> >> I have already tried the same cables and server on known working T1s
> >> >> and they come up fine.  My Adtran MX2800 shows OK for those T1s so I
> >> >> dont think the problem is between the Adtran and Asterisk box (as
> >> >> Global Crossing claims), I have tried changing to the second
> >> >> controller card in the Adtran and also reseated the amphenol
> >> >> connection between the Adtran MX2800 and the T1 breakout box.
> >> >> Anyone with this kind of experience have any ideas?
> >> >>
> >> >> I am going to find some real barrel connectors and try that next.
> >> >>
> >
> > If your M13 is coming up clean, I'd double check the continuity to
> > those ports from the DSX connections out to the patch panel.
> >
> That was exactly the issue.  The amphenol cable was loose on one end.
> What is the best way to fasten these things?  There is only a screw on
> one side.  I am duct taping these things down for now but what is the
> standard way of fastening them?  The Adtran didn't come with a clip or
> velcro or anything, neither did the TenorAX boxes I am using.
>

 It's a fairly common issue, and unfortunately, there isn't a "best
practice" solution that I've seen people use that isn't "ugly". In a
prior job they zip tied the cables down to the connectors and this
fairly reliable.

-- 
Bird's The Word Technologies, Inc.
http://www.btwtech.com/