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marti2000 interface to MTR300

Have a question or information regarding interfacing or interoperating Motorola digital radios with models from other manufacturers? Here's the place to do so.

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miler
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marti2000 interface to MTR300

Postby miler » Mon Jun 15, 2015 12:40 pm

Anybody interfaced a marti 2000 phone patch to an MTR3000 in digital mode? Looking for technical info on this interface.

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escomm
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Re: marti2000 interface to MTR300

Postby escomm » Tue Jun 16, 2015 7:04 am

Should pretty much be the same interface as in analog. Have you purchased the Digital Telephone Interconnect EID for the MTR? You will need this in order to get the audio in and out of the port.

miler
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Re: marti2000 interface to MTR300

Postby miler » Fri Jun 19, 2015 11:39 am

yes,I have the interconnect eid, but wasn't sure how to physically connect it. IE: wireline board/ 24 pin connector?

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escomm
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Re: marti2000 interface to MTR300

Postby escomm » Wed Jun 24, 2015 7:23 am

I don't have the guide handy, but based on my experience I am certain it'll be the DB25. Motorola did a damn good job of making the 96 pin connector just about useless.

miler
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Re: marti2000 interface to MTR300

Postby miler » Wed Aug 05, 2015 8:24 am

I have the unit hooked up and functioning now (DB25 was the correct interface connector). I am having a problem with the audio being distorted and a 60 cycle buzz on the audio when it is from the phone to the radio. The buzz is only there with the phone line audio source. The patch test tone is fine. Any ideas?

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escomm
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Re: marti2000 interface to MTR300

Postby escomm » Tue Aug 11, 2015 8:21 pm

Which pin are you using for input? What level is your device delivering to the MTR? What impedance is your connector?


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