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well, seems after the day has gone by, 3 of the 4 ports have come back alive, at least mostly.. the 1 that was cross-connected is still dead, but the others work most of the time, but occasionally disconnect calls, so I'm told by the one guy still using one of the formerly-dead ports (the previously SOL guy)
I learned that black/yellow shorting issue on my first KX-TD install years ago. We just wanted to test it to see how sensitive it was. Dumb idea. We lost that port for good.
Panasonic systems have always been really sensitive to shorts, even on the analog systems. A short on an analog KX-T system would result in the loss of 8 stations at a time. After the short was cleared and things cooled off, the ports would come back up.
I haven't seen a shorted second pair on the TD systems knock out a block of extensions, but I suppose anything is possible.
[QUOTE]Originally posted by Jason M: [QB] hello.. today, after moving an extension on the system, 4 digital ports have stopped working suddenly, for no apparant reason.
I do advance replacement "repairs" on the internal station and CO boards. Gimme a yell.
I stayed late after tonight, did a fresh system backup, ran the full set of self-tests, turned the thing off for 10 minutes.. everything seems ok except the PT tone test didn't do anything on the fried port (15) which also still doesn't work. The other 3 ports which previously didn't work do seem to work again now. Lovely.
Originally posted by ev607797: I learned that black/yellow shorting issue on my first KX-TD install years ago. We just wanted to test it to see how sensitive it was. Dumb idea. We lost that port for good.
Panasonic systems have always been really sensitive to shorts, even on the analog systems. A short on an analog KX-T system would result in the loss of 8 stations at a time. After the short was cleared and things cooled off, the ports would come back up.
I haven't seen a shorted second pair on the TD systems knock out a block of extensions, but I suppose anything is possible.
I've seen a dead short on data pair knock down all 8 ports on a internal card before
Joe - the damaged port is not on one of the 2 add-on 8-EXT boards (ports 17-32) it is on one of the main system ports (#15). Would this not require replacement / repair of the entire main system board / chassis?
I would 1st try a different Amp. cable, one with a blunt end not terminated and tie down the yellow/slate to a buscuit jack and then see if port 15 comes up. Also make sure port 15 is not assigned as a voicemail port in field 117. MrG
Originally posted by ev607797: Panasonic systems have always been really sensitive to shorts, even on the analog systems. A short on an analog KX-T system would result in the loss of 8 stations at a time. After the short was cleared and things cooled off, the ports would come back up.
I learned this the hard way on my first KX-T624, I lost all 8 ports to a short and replaced the whole system. I pluged it in about a month later while I was cleaning things out and it works fine.
