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Partyline: How do I interface a Motorola HT1250 radio to a TW-47 2-way radio interface?

Partyline: How do I interface a Motorola HT1250 radio to a TW-47 2-way radio interface?

Apr 06, 2019

The wiring diagram below should allow for interfacing a Motorola HT1250 2-way radio to a Clear-Com TW-47 party-line interface.  Note that the best way to build up the cable is to use a molded connector / cable, order Motorola part # 31015829H02, this is the replacement cable for the PMMN4027 remote speaker mic. 

















Set TW-47 internal jumpers as follows: 
J6 to off
J7 to off
J8 to on
Note:  PDF version of this document is attached below. 

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