Re: [foxboro] AW51B boot problem

Hi Cyrus,

The TPE port test doesn't provide any information.  The AW51B uses only the
two serial cables.  You either have bad cables or you have a bad serial
bus/port.

Your best bet is to find a similar AW that is working and swap out the
cables one at a time to see if any are bad.  Otherwise, you should consider
purchasing a re-furbished AW51B.

Regards,


Janet Parker
Senior Applications Engineer
SimSci-Esscor

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx
[mailto:foxboro-bounce@xxxxxxxxxxxxx]On Behalf Of Cyrus W. Taft
Sent: Thursday, July 22, 2004 1:46 PM
To: Foxboro Mailing List
Subject: [foxboro] AW51B boot problem


I am having a problem getting the AW51B, ver. 6.1, on my ESSCOR simulator=

to boot.  It has the following messages:

Timeout waiting for ARP/RARP packet
Lost carrier (transceiver cable problem?)
Cable problem or twisted pair hub link-test disabled

Typing 'test net' at the ok prompt showed that the AUI ethernet port was
functioning properly but the TPE port failed the external loopback test. =

The AUI port is the second ethernet port to a plant lan, and the TPE port=

goes to the DNBI.  I have checked cables and see no obvious problems. =

There appear to be two connectors available for the TPE port.  One is som=
e
kind of a Sun specific connector and the other is the standard twisted pa=
ir
type of connector.  The DNBI cable is connected to the Sun connector.  If=
 I
connect the plant lan cable to the twisted pair connector and rerun the
test net, the TPE port shows good.  The AW module in the DNBI rack has a
green light on it but that's about all I know about it.  Any ideas on oth=
er
things I might check to figure out where this problem is?  Thanks for any=

help.

Cyrus Taft
EPRI I&C Center

.  =



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