Motorola gm300 programming cable pinout. trouble programming COS function on motorola gm300 : amateurradio

Motorola gm300 programming cable pinout Rating: 7,1/10 1185 reviews

Motorola Programming Cable

motorola gm300 programming cable pinout

It arrived today and, with no other changes to the system, read and programmed both radios without a problem. Io wrote: Thanks Henry, I am getting ready to start wiring so I'll let you know. Kapotillo link is dead unfortunately due was own by my ex-partner. Many of the accessories available are listed below, but for a complete list, consult your Radius dealer. The hard way - ham related youtube, podcasts and more First of all, does your radio have a 5-pin accessory connector or 16-pin? Does this company make a decoder that is already built, I do not mind kits but I'd rater buy a finished and tested product for business than build one simply because I may or may not have time to finish it. The specific jack is used, it is shown on the figure. The more detailed cable description is published at and.

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Motorola Programming Cable

motorola gm300 programming cable pinout

If you see this screen above, congratulate yourself! Long series in multiple parts starting with the Motorola family of commercial radios. Jacks before and after the modification are shown. I'm hoping the receiver has a good front end that is highly selective like the old Maxar and Micor crystal controlled units had. Refer to radio manuals or search the web for information. The wrong voltage may occur due to assembling defects or bad serial port extension pieces. I have received a few conformations from others that they do work as expected. Some software especially made by Motorola gives no power from the port, so external power is needed.

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XPR 2500 Mobile Two

motorola gm300 programming cable pinout

Demonstrating the difficulty of supporting older commercial radio equipment. If you are having a hard time finding the right one, try searching for your radio model in the search box. I use alot m120's, gm300 all time used repeater adapters from Amazon so they repeat. R1 resistor may be omitted because the phone RxD circuit has an inner 47 kOhm resistor to the ground. In the 3rd world these radios are still in use. I've worked with Motorola 2 way radios for over 30 years.

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XPR 2500 Mobile Two

motorola gm300 programming cable pinout

So now here's the wiring for this combined cable, again using MaxTrac pin numbers. I even left it there for 10 minutes. Make sure the software and operational system are correct. Some words are in Russian, the most significant words are translated. Thanks in advance for any help.

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RADIUS GM300 OPERATING INSTRUCTIONS MANUAL Pdf Download.

motorola gm300 programming cable pinout

The recommended value of Rind is 4. Hey at least I am man enough to admit I am wrong when I say I assumed everyone was modernized like we are, I live around this daily and i guess when you are exposed to it like this all the time you start assuming that the rest of the world is on the same page. You've used the cable to successfully program MaxTracs and other modular jack-equipped radios before, so why won't this one work? It's been too long since I've messed with one to recall for sure, but this may work. Can i use the Radio Doctor program to program, or program exactly, please? Mods will remove posts and comments at their discretion for violating this. But the serial port is the key. If you have a newer model computer, chances are that you do not have a serial port.

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Universal radio programming cable

motorola gm300 programming cable pinout

It should be linked to the microphone connector. These wires should otherwise be unused. Press F2 Read Repeater , and then press F10 for a Generic Repeater. I have no issues ever perfect audio all time. The repeater adapters I have two that don't help the audio either it's like a misunderstanding matched tx audio out to other Moto radios? You should use an ohmmeter to verify the proper pins and connector orientation. Longer if there is a federal holiday. I am having the same issue as Joseph.

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A Universal Programming Cable for Radios

motorola gm300 programming cable pinout

Thanks for the video very helpful. Regarding the front-end on these radios: I'm only using it on 440, but I think these radios really are pretty good. In this case the cable can not be powered from the port reliably. This is the exact cable that I purchased: The programming software is fairly simple. Using an Ethernet cable with standard wiring, the ground connection uses pin 5 of the Ethernet connector, which is usually blue-white. The programming cable was tested with 336 device types, i.

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A Universal Programming Cable for Radios

motorola gm300 programming cable pinout

If you use thin wire you will be able to feed this out the edge of the 16 way connector. It is best to use the recommended cables and connectors listed above. Radio sockets have prominent rubber rings, thus standard stereo jacks cannot be plugged in firmly. I just used a cheap cable off ebay, which worked fine. Do not spam your product, website, blog, YouTube channel or other personal project.

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trouble programming COS function on motorola gm300 : amateurradio

motorola gm300 programming cable pinout

This mode is also used to select low cost mic operation where the gain of the microphone path is increased on the main board to compensate for not having a pre-amp in the low cost mic. A connection to devices with a non-standard processor supply voltage cordless and cellular phones requiers a special connector. Secondly plugging an unplugging a variety of usb to xyz cables and cause the windows to stop recognising the device and you get error code 31 in device manager. Do you see an option of F6 Change to Repeater Mode? Jack contacts may be cleaned with a thick needle. Having this many devices causes two problems. If you need any help or info, drop me an e-mail.

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Surplus Radio Guide Series, Programming Motorola Maxtrac & Radius models

motorola gm300 programming cable pinout

Attempts to read the radio result in the same error displayed and failure. For more information please search specific cell phone sites. I question if the input to the front end is broadband since it doesn't appear to need alignment after changing frequencies or if they may use varactor diodes to electronically tune the front end to track the programmed frequency? Reading codeblock does not come up. These leads have not gone to waste. Please do not ask the author for the software! Mostar was the first Field programmable radio that I work with , They use a Suitcase programmer. The main goal of this cable schematics is the invertion of signal levels.

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