RE: (PM) PM3, 2PRI+Channelized E1 at the same time?

James Courtier-Dutton (dutton@livingston-ent.co.uk)
Thu, 27 May 1999 00:13:41 +0100

> -----Original Message-----
> From: owner-portmaster-users@livingston.com
> [mailto:owner-portmaster-users@livingston.com]On Behalf Of Martin
> Wallner (Hostmaster ViP)
> Sent: Wednesday, May 26, 1999 10:49
> To: Jake Messinger; Adrian Rowley
> Cc: Leif Neland; portmaster-users@livingston.com
> Subject: RE: (PM) PM3, 2PRI+Channelized E1 at the same time?
>
>
> > On Wed, 26 May 1999, Adrian Rowley wrote:
> >
> > :Unfortunately it is not possible to have 2 E1 PRI and a
> > fractional E1 in a
> > :PM3, as Lucent decided not to manufacture a European version of
> > the T1 card,
> > :available for the US market:(
> >
> > Oh he wants 2 pri and 1 e1... I thought he wanted 1 of each.
> I think that's because real E1 lines are VERY rare here. Normally
> you're getting your PRI-Line and be done with it....
>
> > :
> > :You can in theory have 1 PRI and one fractional E1 in a PM 3A
> 2E, However
> > :we, have come across clock source timing problems and have
> been unable to
> > :get this combination to work in some circumstances. Proceed
> > with caution.
> >
> > Hrm, it works in Texas at 1 location where we use 1 channel for
> a backhaul
> > t1, I guess YMMV. Woohoo, Ive never gotten to use that abbrev before!
>
> I know that the fractional E1-setiings of ComOS 3.8.x are broken,
> a special fix for this should be available via Lucent....
What is wrong, just make sure you don't set channel 1 for anything as this
is the frame sync channel. Use channels 2-32.
On ComOS 3.9 and 4.1 the channels have been renamed so that you should use
channels 1-31.
The frame sync channel has been removed from the list in 3.9 and 4.1 ComOS.
>
>
>
> regards
>
> =mw=
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