(PM) more PM3 q's needing a's

Samudra E. Haque (haque@pradeshta.net)
Mon, 11 May 1998 14:06:19 -0500

Q. Does the PortMaster 3 have a built-in CSU/DSU?
A. Yes, it does. The PortMaster 3 has an integrated CSU/DSU capable
of running T1/E1 speeds.

That information is from the PM3 web page. Would it be possible
to find out how far the CSU/DSU can be from the exchange? There are
several types of CSU/DSU, some with ranges of "upto 2 Km", some
very definitely much longer than that.

If the integral CSU/DSU were to be used (I assume it *has* to be
used?)
then the Telco's responsibility should be to deliver the
4-wire feed into the CSU/DSU directly -- is this concept correct?

If the range of the internal CSU/DSU were to be less than required,
is there an alternative, external way of handling E1 connectivity?

How many CSU/DSU's are there in the PM3 chassis? If 2xE1 are there
2xCSU/DSU ?

-samudra-
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