Hmmm, I would prefer the question to read:
(Q) At what speed does a T-1 run over DS-1?
But don't take my word for it...Here is an EXCELLENT T1/DS1 tutorial.
Bookmark this one...because there are very few T1 explainations that
actually talk about the F-bit & S-bit. He (Bob W.) does an excellent job
breaking down the DS1 Signal levels (Pulse/LBO/etc), etc
http://www.dcbnet.com/notes/9611t1.html
The designation "DS" in Figure 3 refers
to "Digital Signals" and describes the
physical layer. The designation "T" refers
to the type of carrier that is being used.
Often these are used interchangeably but
that technically is not correct.
...
When someone says they are running T1, they
may be saying several different things: They
may mean that they have a network that is
passing data at 1.544 Mbps; they may mean
that they have a network that conforms to
the T1 electrical interface specification
(DSX-1), or that they have a network that
passes data that conforms to one of the
several framing formats (D4, ESF, etc.).
More likely than not, they mean all three
but their concentration may be on only one
of these items. The confusion in the user
community is a result of the inter-
changeability of words and the confusing
requirements for connection to the AT&T
system.
....ahhh the memories...just glad you didn't ask about E&M signalling ;-)
HTH,
TroyC
an old telco junkie
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, November 14, 2000 1:02 PM
To: [EMAIL PROTECTED]
Subject: T-1 Vs DS-1
Pick the right answer here
Q.) At what speed does a DS-1 run over T-1?
a.) 1.536 MB b.) 1.544 MB
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