Re: Port Not hanging up

Jake Messinger (jake@ams.com)
Wed, 27 Aug 1997 12:06:59 -0500 (CDT)

On Wed, 27 Aug 1997, Derric Scott wrote:

> Someone already guessed/asked if this was a PM3... but if it is a modem,
> we've had this happen on rare occasions (the caller would hang up but the
> modem would continue to show CD and stay OH). It is usually a modem

If the PORT is set for modem control off, then doesnt CD stay high all the
time?

> problem, since it doesn't make sense for it to see Carrier when the
> other guy has hung up (perhaps it is hearing itself somehow if the
> switch has looped it someway?). It could also be a telco/modem problem

I guess if it were a really crappy modem.

> because isn't there a tone sent by the switch when the other end
> hangs up and shouldn't the modem hear this?

I dont see how it could be a telco problem unless the line had some sort
of tone on it which would make it unusable anyway.

> The only modems I've seen this with are the cheaper ones... I don't believe
> my Couriers have ever done this.

Ive never seen them do that. Nor Cardinals' or haye's

> Later.
>
> Derric
> --
> Derric Scott Scott Network Services, Inc. P. O. Box 361353
> derric@scott.net (205)987-5889 Birmingham, AL 35236
>

~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
Jake Messinger 713-772-6690 jake@ams.com
Advanced Medical Systems, Inc. jake@uh.edu
8300 Bissonnet #400
Houston, Texas 77074 http://www.ams.com/~jake
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