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The service schematic of the Vertex Standard VX-2200 VHF radio shows that the ACC5 and ACC6 pins of the back DB 15-pin connector are connected to pins EXT_TXD and EXT_RXD pins on the main processor.

Can those pins (or some other pins in the same connector) be used to program the radio or do I have to use the RJ45 connector in the front?

Kevin Reid AG6YO
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Ronan Paixão
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  • Hi Ronan, I think this is off-topic for ham.SE, since VX-2200 is definitely not a Ham device, but a trunking controller for people with a commercial license; see [the manufacturer's website](http://www.vertexstandard.com/lmr/trunking/vx-2200): *for flexible mobile business communications in the VHF or UHF Land mobile radio bands*, so you might want to explain in which context you're using the device (you can probably use it as a ham mobile device, but you're not saying) – Marcus Müller Oct 09 '16 at 14:14
  • @MarcusMüller I am actually trying to use it as a ham fixed station in the 2m band for now. The radio isn't used exclusively for trunking nor for commercial licenses, since it works from 134 to 174MHz. See [the non-trunking page](http://www.vertexstandard.com/lmr/Mobiles/VX-2100-2200). Also, I'm not in the US, so regulation is a bit different, if still very similar. – Ronan Paixão Oct 09 '16 at 20:05

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You should be able to find the answer in their service manual. http://www.repeater-builder.com/yvs/pdfs/yaesu-vx-2100-2200v-service-manual.pdf

davidtaylorjr
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