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Path: utzoo!watmath!clyde!cbosgd!ihnp4!chinet!randy
From: randy@chinet.UUCP (Randy Suess)
Newsgroups: net.micro.att
Subject: Re: 3B2 cable definition request
Message-ID: <431@chinet.UUCP>
Date: Mon, 31-Mar-86 13:30:44 EST
Article-I.D.: chinet.431
Posted: Mon Mar 31 13:30:44 1986
Date-Received: Wed, 2-Apr-86 02:10:15 EST
References: <152@hvrford.UUCP>
Reply-To: randy@chinet.UUCP (Randy Suess)
Organization: chi-net, Public Access UN*X, Chicago IL
Lines: 27
Keywords: 3B2, serial port

In article <152@hvrford.UUCP> k_lim@hvrford.UUCP writes:
>Does anyone know the pinouts for the 8-pin modular plugs used for the serial
>ports on a 3B2?  We have been unable to track this down anywhere in the
>documentation.

	The diagrams are in the "Expanded input/output Capability" section.

8-pin jack		25 pin terminal		25 pin modem

1 Prot Ground		1 Frame Ground		1 Frame Ground
2 Reserved(CTS)		4 Reserved		5 Reserved
3 TXDO			3 Xmit Data		2 XMTD
4 DTRO			8 Data Term Ready	20 DTR
5 RXDO			2 Receive Data		3 RD
6 DCDO			20 Data Carrier Detect	8 DCD
7 SIG GND		7 Signal Ground		7 Signal Ground
8 Reserved(RTS)		5 Reserved		4 Reserved

Hope this helps.


-- 
.. that's the biz, sweetheart...
Randy Suess
chinet - Public Access UN*X
(312) 545 7535 (h) (312) 283 0559 (system)
..!ihnp4!chinet!randy