Re: many line errors (was Re: (PM) Need help with PM-3)

Rob Chandhok (chandhok@within.com)
Tue, 13 Jan 1998 21:27:55 -0500

You have a sick CT1. We've had bipolar problems before, and we built
something to monitor the lines on our PM3s such that more than 3 bipolar's
in a 15 minute period raises an alarm. The alarm (just e-mail) goes off
whenever there's a lightning storm. See
<http://www.within.com/~chandhok/isp/#pmwatch>

Get the telco in on this line, though.

Rob

At 4:06 PM -0600 1/13/98, Eric Calvert wrote:
>Switched cables and rebooted - here are the results:
>
>Command> sho line1
>---------------------- line1 - T1 Inband DS0 ---------------
>
> Status: UP Framing: D4 Encoding: AMI PCM: u-law
>
> Signaling: Trunk E&M immediate start
>
> Receive Level: +2dB to -7.5dB
>
> Alarms Violations
> ----------------------------- -----------------------------
> Blue 0 Bipolar 7538
> Yellow 1 CRC Errors 1009
> Receive Carrier Loss 0 Multiframe Sync 479
> Loss of Sync 1
>
>Command> version
>Livingston PortMaster PM-3 ComOS 3.7.2
>System uptime is 0 minutes

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