Re: Using the two ports on an IBM 3153 terminal

From: Webb, Eric (EWebb@COOPERLIGHTING.COM)
Date: Mon Mar 03 2003 - 10:34:27 EST


Argh, it seems that perhaps my terminal only supports RS-422 on the "EIA"
port (or is that EIA-422?).

If I do a CTRL-<left arrow> to get to the application menu, then choose the
diag option, the EIA port is listed as 422 while the AUX port is listed as
232.

The manual for the 3153 is misleading. It says that the EIA port is 232 but
optionally also has 422 on the appropriate pins (meaning that the one
connector can speak both "protocols"). This doesn't seem to be the case in
my situation.

Thanks to all who responded.

Eric

-----Original Message-----
From: Colin Fearnley [mailto:colin@thedomain.co.za]
Sent: Monday, March 03, 2003 9:47 AM
To: aix-l@Princeton.EDU
Subject: Re: Using the two ports on an IBM 3153 terminal

Eric

Have you toggled the amount of sessions to 2?
Colin

-----Original Message-----
From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On Behalf Of
Webb, Eric
Sent: Monday, March 03, 2003 4:40 PM
To: aix-l@Princeton.EDU
Subject: Using the two ports on an IBM 3153 terminal

I have an IBM 3153 that I'm trying to use as a serial console for two
headless machines. The 3153 has an "AUX" and an "EIA" port. According
to
its manual, one is
DTE, one is DCE, but you can supposedly use both for serial terminals
(one
just needs a null modem adapter, the other doesn't).

Well, I have one machine working on the AUX port with a null modem
adapter.
The
other port, no matter what I try, just doesn't seem to do anything. At
this

point, I don't suspect the terminal itself, I'm still thinking it's an
RS-232
issue.

Any ideas??

Eric

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