Appendix E MTR3000 Third Party Controllers
E.1 Overview
The MTR3000 Base Station/Repeater (BR) is capable of interfacing to a number of third party
controllers via the four-wire and GPIO/GPI interface afforded by the J7 backplane AUX connector.
This section covers the connections and signal levels between the third party controllers and the
base station/repeater, as well as the audio path configuration needed via CPS. Note that this section
is not a substitute for a more comprehensive instruction detailed in the vendor’s manuals of their
respective third party controllers.
The third party controllers supported by MTR3000 Base Station/Repeater are as follows:
• Community Repeater Panel (Zetron Model 38-Max)
• Phone Patch (Zetron Model 30)
• Tone Remote Adapter (Motorola Model L3276)
• LTR (Trident Model Raider and Marauder)
• Passport (Trident Model NTS) (see Note)
Do not hot swap any of the third party controllers as this could
(at a minimum) cause a malfunction with the base station/
repeater.
Note
The MTR3000 Base Station/Repeater only support the third party controllers noted above
when it is configured in analog mode. The screen capture below shows the CPS location to
configure the MTR3000 Base Station/Repeater for analog mode.
Note
If the third party controllers are supplied power by the MTR3000 Base Station/Repeater,
then the MTR3000 Base Station/Repeater needs to be in a powered off state when
establishing (or removing) the connection to the MTR3000's J7 backplane connector.
Note
The MTR3000 Base Station/Repeater must have a modulation limit alignment before it is
used with any third party controllers. The modulation limit alignment is accomplished via the
Tuner application, with the procedure itself noted in the Tuner application’s online help as
well as in "Chapter 13" of this manual.
Note
14.2 VDC Power (Pin 20) and GPIO 10 (Pin 5) are not supported on an upgraded MTR2000
J7 backplane connector.
C a u t i o n
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