[cisco-voip] 2801 router and VWIC2-1MFT-T1/E1 card

Vigar, Damien Damien.Vigar at det.nsw.edu.au
Wed Jun 3 03:11:13 EDT 2009


Yep, done that. All appeared OK. I'd still like to test it on a live E1.

> Use a T1 loopback plug to test.
> 
> >> >> Put it in Slot 1, Slot 0 does not support a VWIC2-1MFT-T1/E1
> (assuming
> >> >> that you have sufficient DSPs).
> >> >
> >> > Slot 0 is HWIC slot, so it should support such a card.
> >> > You need one DSP channel for each timeslot you are going to use.
> Correct
> >> > me if I am wrong.
> >>
> >> No, Slot 0 does not support this card.
> >>
> >> http://www.ciscotaccc.com/voice/showcase?case=K19287315
> >>
> >> Regards,
> >>
> >> Philipp
> >
> > Well, it appears this is the case - finally had a chance to open the 2801
> again and test with the E1 card in slot 1, and with 1 x PVDM2-16 module and
> then with 2 x PVDM-8 modules.
> >
> > The 2801 happily creates the PRI-group in both circumstances above, so it
> appears the 2801 doesn't care if the DSP resources come on 1 or 2 modules,
> as long as there's enough to create the 10 channel PRI-group. All looks
> nominal. If only I had a live, spare E1 circuit here I could use to test
> it...
> >
> > I'm hoping to take this router to one of our sites and swap it for a 2811
> that's currently in service there. If I can get this done, and anyone
> cares, I'll report back on my success or lack of same.
> >
> > Cheers,
> >
> > Damien
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