Re: Printer Communications Problem

I don't believe you are going to get away with twisted
pair on a "daisy chain"... It will not hold a signal
well enough for that....


Chuck Lewis wrote:
> 
> Hi Folks,
> 
> 
> 
> Went to a remote site yesterday and hooked up an IBM 4230-102. And all is
> great. It came up OK, printed fine etc. It WAS even printing this morning.
> Well a little while ago they called and said it wasn't printing. I look at
> it and it shows Vary on pending. And they said it showed READY on the LCD
> panel. So I try varying it on and off, have them hit stop and start, turn
> the thing on and off, etc. And same thing; I show Vary on pending and they
> show Ready which made NO sense. So I had them check the comm cable on the on
> the back and the turn it off and back on. They do that and it comes up with
> 022 Unit Address Not Received.  At least THAT makes sense from what I am
> seeing. But it gets weirder. We use twisted pair cabling. Well in this
> office they only had 2 drops. And they had two terminals. So I did the old
> "daisy chain" deal with one of the terminals. The Cat 5 patch cable comes
> out of the wall jack and into the Balun in the twin-ax connector on the
> printer. Then out of the other side of the twin-ax connector there is
> another Balun and Cat 5 patch cable going to a Terminal. And the terminal IS
> WORKING FINE.
> 
> 
> 
> Any ideas what might be going on ?
> 
> 
> 
> 
> 
> Chuck
> 
> 
> 
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