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- Newsgroups: sci.electronics
- Path: sparky!uunet!cs.utexas.edu!sdd.hp.com!spool.mu.edu!agate!ames!pacbell.com!ptsfa!dmturne
- From: dmturne@ptsfa.PacBell.COM (Dave Turner)
- Subject: Re: ATT 3b2 console pinouts ... please?
- Reply-To: dmturne@PacBell.COM (Dave Turner)
- Organization: Pacific * Bell, San Ramon, CA
- Distribution: sci
- Date: Mon, 4 Jan 1993 08:36:48 GMT
- Message-ID: <1993Jan4.083648.20297@ptsfa.PacBell.COM>
- References: <MITCH.93Jan3164010@clsi.clsi>
- Lines: 33
-
- In article <MITCH.93Jan3164010@clsi.clsi> mitch@clsi.COM (Mitchell N. Perilstein) writes:
- >I've asked in comp.sys.att, but they're silent.
- >
- Hmmm, I didn't see it.
-
- >The 3b2 serial console connector is like an RJ11, but with more
- >conductors. It carries something like RS232, because I've stumbled a
- >working arrangement before. I'm less clumsy than usual: I can't get it
- >this time.
-
- This is in Appendix D of the 3b2 Owner/Operator Manual.
-
- Looking at the console modular jack on the rear of the 3b2 (the locking tab
- should be down) the pins are numbered right-to-left 1 to 8.
-
- 8-pin 25-pin 25-pin
- modular RS232 RS232
- jack for terminal for automatic dial
- or printer modem
-
- 1 Prot Grd 1 Frame Ground 1 Frame Ground
- 2 Reserved 4 Reserved 5 Reserved
- 3 TXDO 3 Transmit data 2 Transmit data
- 4 DTRO 8 Data terminal ready 20 DTR
- 5 RXDO 2 Receive data 3 Receive data
- 6 DCDO 20 Data carrier detect 8 DCD
- 7 SIG GRD 7 Signal ground 7 SG
- 8 Reserved 5 Reserved 4 Reserved
-
-
-
- --
- Dave Turner (510) 823-2001 {att,bellcore,sun,ames,decwrl}!pacbell!dmturne
-