Partyline: What are the accessory jack pinouts for a Kenwood TK-3160 to a TW-47 Interface?
Customer requested the pinout wiring for an Encore TW-47 2-way radio interface to a Kenwood TK-3160 portable 2-way radio. This requires knowledge of the TK-3160 accessory jack wiring which contains the remote speaker, mic and PTT switch connections. The information for the Kenwood radio accessory jack is shown below:

Refer to the TW-47 user manual (attached to this solution) to confirm the internal jumpers on the TW-47.
Using the above supplied information from Kenwood wiring to the db-9 connector on a TW-47 or TW-40 party-line interface is possible, same for wiring to the db-9 connector on a FOR-22 interface card used on a Matrix +3 or Eclipse series digital intercom system.

Accessory cable connection to the TK-3160 radio. It uses a 3.5mm connection for the microphone and a 2.5mm connection for the speaker feed.

Refer to the TW-47 user manual (attached to this solution) to confirm the internal jumpers on the TW-47.
Using the above supplied information from Kenwood wiring to the db-9 connector on a TW-47 or TW-40 party-line interface is possible, same for wiring to the db-9 connector on a FOR-22 interface card used on a Matrix +3 or Eclipse series digital intercom system.
Accessory cable connection to the TK-3160 radio. It uses a 3.5mm connection for the microphone and a 2.5mm connection for the speaker feed.
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