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From: ejk47@iham1.UUCP (kufeldt)
Newsgroups: net.micro.att
Subject: Help 6300+ and Penril ACU
Message-ID: <558@iham1.UUCP>
Date: Thu, 25-Sep-86 09:37:41 EDT
Article-I.D.: iham1.558
Posted: Thu Sep 25 09:37:41 1986
Date-Received: Fri, 26-Sep-86 01:56:50 EDT
Organization: AT&T Bell Labs, Naperville, IL
Lines: 36
Keywords: 6300+, Penril ACU

I need help connecting a Penril ACU to a AT&T 6300+.
The ACU works fine for processes that use getty (like ct),
but does not work for processes that use uugetty (like cu).

When I try to use cu the response is DEVICE LOCKED.  I loooked
at files Device and Dialers.  Those files appear correct. (I
compared them against a Penril ACU defined on a 3B2.)

Called Customer Support and they said check the cable between
the 6300 and the ACU.  I did and did not spot anything obvious.
The cable is wired like the following:

	6300+			Penril
	Pin	  to		Pin
	1			1
	2			2
	3			3
	6			6
	7			7
	8			8
	20			20
	22			22

The above wiring worked fine on the 3B2, but does not on the
6300+.  As soon as the CU command is invoked, I get a DEVICE
LOCKED response.  Note, there are no entries in the /usr/spool/locks
directory when this happens.  The response appears to be generated
by what the 8250 chip is seeing on a status? lead.

I would sure appreciate any help I can get.

Ed Kufeldt
AT&T N.S.

E. Mail:     iham1!ejk47
Work Phone:  (312) 510-2516