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Kenwood Channel Steering capability

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iceman977th

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I know that Motorola has the ability to apply power (or short, I can't remember) to certain pins on their accessory connector to change channels as needed, but can Kenwood's mobiles do the same thing using the DB25 connector? I'm looking to do the same with a Kenwood VHF mobile (I believe a TK7180 is what we have laying around at the EOC) for a radio club's repeater link. The club has a 70cm repeater downtown and two 2m repeaters. The two 2m repeaters will be linked via Allstarlink and a Ubiquiti PTP network, but there is not clean LOS from either repeater to the downtown 70cm repeater, so I'm setting up a RF link and having the downtown repeater act as another station until we can establish a better connection, possibly using another tower as a relay.

Mike
 
mmckenna

mmckenna

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Yes, channel steering can be done via the rear connector assignable I/O pins. It requires some programming, also. You can build a controller to do it, or just use a tone remote system.
 
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KK6ZTE

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Yessir, Channel Select A-D. You need to set up your input pins via Extended Function->Aux. Once that's done, tab over to "Remote Zone-CH/GID" and pick your channels for selection.

It's binary channel detection, so 0000 to 1111 (active low/ground). If you're only doing one channel, it's easy, just ground the one pin on the condition you need.

If you happen to have an engineering serial number, you can also turn scan on and off via an input pin on the back too.......
 
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