John,
I haven't seen many issues with them yet. I'm in a
support role so work with them now and then and
haven't had to RMA one yet. Good solution if you're
looking to get rid of CSU/DSU but you mentioned the
cons if it goes bad without a spare.
The only problem I've seen with router CSU/DSU boards
(Not cisco here but probably qualifys) is if theres a
lightning/power storm and the telco line takes a hit
and the lines not plugged into a surge protector
device before the router interface then you may get a
hosed module that needs RMA'ing.
--- John Neiberger
wrote:
> For those of you who have Multichannel T1 port
> adapters, I'm wondering
> how those are working out for you and if you like
> that setup more than
> having an external CSU/DSU.
>
> As far as I'm concerned, I would like to eliminate
> our CSU/DSUs and
> migrate to internal CSU/DSUs on the port adapter.
> This would allow me
> to remotely see exactly what's happening on the line
> and it would also
> allow me to do my own bit error rate testing.
>
> Then again, if a single interface goes bad I have to
> replace the entire
> port adapter and we would only have one on hand. It
> wouldn't be
> feasible to have a spare lying around. Of course it
> would be under
> maintenance, but it still takes time to replace
> them. As for CSU/DSUs,
> we always have a few spare lying around.
>
> What has your experience been with these bad boys?
> Favorable?
> Unfavorable? Ambivalent?
>
> I'm considering recommending one of these for a
> project but I don't
> know if the pros outweigh the cons.
>
> Thanks,
> John
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