From: George Spahl (georges@xxxxxxxxx)
Date: Sun Jan 30 2000 - 17:22:44 GMT-3
Jason,
Might want to look at "Voice and Data Communications Handbook" by Bud Bates
and Donald Gregory, p.227. Yes, it is full duplex. Four wire circuit with
two wires transmitting and two wires receiving.
George
At 01:43 PM 1/29/00 -0800, Jay Hennigan wrote:
>On Sat, 29 Jan 2000, Jason Aarons wrote:
>
>> I'm looking for a URL or Technical reference that shows a T-1 is full
>> duplex.
>
>http://www.ampac.com/inet-access/1997-02/msg02478.html
>
>Not exactly authoritative, but to the point.
>
>> Customer believes T-1 is only 1.54Mbps total. I informed him it was
>> 1.54Mbps in each direction but he disagreed.
>
>He is in error.
>
>> He asked if a T-3 was 90Mbps
>> which I said yes (45 in, 45 out) and he laughed.
>
>I would not express it that way. A freeway with traffic flowing at 65 MPH
>in each direction isn't usually referred to as a "130 MPH freeway".
>
>But, the freeway, like a T1 or T3, is full duplex in that traffic in one
>direction does not impede traffic in the other, and traffic can travel at
>the "speed limit" in both directions simultaneously.
>
>--
>Jay Hennigan - Network Administration - jay@west.net
>NetLojix Communications, Inc. NASDAQ: NETX - http://www.netlojix.com/
>WestNet: Connecting you to the planet. 805 884-6323
>
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