there will be about 100 miles of fiber between
the two sites. That is quite a bit beyond the
range of one run of single mode fiber, so there
will have to be ADM, repeaters, etc. between the
two sites.
Second: Having the carrier provide, and therefor
be responsible for all that equipment, fiber,
and right-away is the way to go. If your fiber
got cut, and the carrier does not have explicit
responsibility to provide you with a working
OC-48, then your problem is not their problem..
We have a few OC-48 rings coming in for our
local access. They are probably the most
dependable thing the company uses, but if they
do fail, and the protect cards fail. It will
surely happen at 3:00 am on a sunday morning, so
be sure to get some home phone #s of people at
the carrier. It's important that they feel your
pain.... :->
DaveC
JP wrote:
>
> All,
>
> A question about normal practice of renting dark fiber.
> We have two sites about 60 miles apart, each site has a cisco GSR. We are
> going to connect them together with OC-48 PoS interface cards(haven't
bought
> cards yet).
> My question is, should I ask for a pair of dark fiber from the carrier or
> just ask for an OC48 sonet connection between these two sites?
> I guess the dark fiber gives us less impact by the carrier's network, but
we
> would not be able to use any APS, as no ADM from the carrier will be
> involved. Unless, we want to buy our own ADM, which is not likely to happen
> at all.
>
> This is the first time we run into this kind of setup, we need some
> experience/suggestion before going any further.
>
> Thanks
> JP
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