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MCC7500 'turtle' jacks dying, revived by reconnecting headset

Discussion about Centracom (Button & LED / CRT / Gold / Elite), MC Series (MC5500/7100/7500), and legacy console equipment.

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Vizwar
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Joined: Tue Apr 15, 2014 1:13 pm

MCC7500 'turtle' jacks dying, revived by reconnecting headset

Postby Vizwar » Wed Apr 12, 2017 11:59 am

Anyone else experiencing this?

Recently turn-key installed ASTRO 7.16 system with MCC7500 consoles. Dual jacks. One side has DB15 extension cable.

Dispatchers say they'll lose all audio, or sometimes just ear or just mic, and be unable to communicate with units. Unplugging and reconnecting the Plantronics P10 adapter or switching jacks will resolve the issue for a time.

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xmo
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Re: MCC7500 'turtle' jacks dying, revived by reconnecting headset

Postby xmo » Wed Apr 12, 2017 4:17 pm

How do your dispatchers know when the problem occurs? Do field units call in on the phone and complain?

Do you have a recorder connected at each position to the VPL logging port?

What does the dispatcher see on the VU indicator?

We decided that the on-screen VU indicator in the console application is pretty much worthless so we added hardware VU indicators (bridged at the workstations logging ports) because the dispatchers missed the indicators on the CIE's and a good indicator helps them keep their audio averages up where they should be.

With a good VU indicator at least the dispatcher should immediately know when there is a problem.

Image

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d119
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Joined: Tue Mar 19, 2002 4:00 pm

Re: MCC7500 'turtle' jacks dying, revived by reconnecting headset

Postby d119 » Wed Apr 12, 2017 5:28 pm

I cant tell you how much weird crap power cycling the VPM seems to clear up...

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techtonics
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Joined: Wed Jun 27, 2007 4:47 am

Re: MCC7500 'turtle' jacks dying, revived by reconnecting headset

Postby techtonics » Thu Apr 13, 2017 5:12 am

or bad grounding....

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d119
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Joined: Tue Mar 19, 2002 4:00 pm

Re: MCC7500 'turtle' jacks dying, revived by reconnecting headset

Postby d119 » Thu Apr 13, 2017 5:30 am

Even with R56 compliant grounding on these things, I've still seen them do weird stuff requiring a reboot.


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