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Thread: EFJ5100 Programming Cable

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    Default EFJ5100 Programming Cable

    Greetings all

    I'm looking to purchase the programming cable and wanted to see where everyone was getting them?

    Thanks
    Chris


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    http://rfguys.com/products/ef-johnson?pagesize=12

    rfguys is a forum member here and offers free shipping to p25 members.
    Just use discount code P25FS when making a purchase on the website.

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    Thanks-I checked their site and they have everything but a 5100 cable.

    Quote Originally Posted by Magnus View Post
    http://rfguys.com/products/ef-johnson?pagesize=12

    rfguys is a forum member here and offers free shipping to p25 members.
    Just use discount code P25FS when making a purchase on the website.

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    My apologies I thought they had one listed.

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    Ebay Kawa has them

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    Thanks, I will go that route.

    Quote Originally Posted by Firecpt809 View Post
    Ebay Kawa has them

  7. #7
    XPR8300 No Longer Registered

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    I use the kawa cable on my 5100s and it works great.

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    Just make sure you plug the cable in the RS232 or USB if you use an adapter before starting the PCC I had issues with it not seeing the cable

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    Thanks for all the suggestions. I placed an order through Kawa yesterday.

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    I ordered mine from Kawa as well. Was at my door here in Ontario in a week flat. Looks like a good quality cable (still waiting on my radio to arrive though... grr!)

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    There seems to be in influx of EFJ radios latley .. Either I never noticed or there seems to be alot more.. I even broke down and got one

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    FYIY

    This radio uses the same battery as the Motorola XTS5000 and uses the same accessories as the XTS series and JEDI series.. This radio has the same RF board and parts as the XTS5000. Motorola built this radio for EFJ because the US Govt. needed a competing bid (by law). All of the parts are Motorola.
    deejayhm on ebay

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    The early models with the 1.x.x firmware had the XTS RF boards I believe. It uses the same battery, and audio accessories, and antenna. No Motorola did not make it for EFJ

  14. #14
    key2135 No Longer Registered

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    Would it be possible to build this cable ? or does it contain active electronics ?

    Thanks

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    Nope. It's straight RS-232. You'd just need the pinout, a pair of pliers, bits and bobs, and over the eBay price worth of time.

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    The series 1,2 and 3 used the Saber RF deck. Starting with Series 4 they had the RF deck manufactured by a 3rd party due to MOT issuing a last time buy on the saber RF deck several year back.

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    That might be true for VHF/UHF/800 MHz units, but from what I have been able to tell, the 900 MHz units were unique. The ones coming from TX have RF decks that are clearly not from Motorola (royal blue PC substrate, very pretty), and there was never a 900 MHz XTS3000 or XTS5000 radio produced by Motorola for them to have "borrowed" from... Between firmware and PCC bugs, and all the rest it appears the 900 units were made for one or two special customers of EFJ's and were never really looked back at for bug fixes, updates, etc. and were eventually dropped from their line.

    FWIW, if you're going to make a 5100 programming cable and need an XTS3000-style connector with a circuit board that has solder holes for all the pins, try one of the KAWA/kawamall XTS3000 surveillance sets or small speaker-mikes. Lop off the crappy sounding speaker-mic (or surv. set), and take apart the connector assy by prying out the rubber-covered plate that the pins stick through, and you will gain access to the PCB inside. This has solder pads and holes for all the pin's positions, most of the various XTS accessories don't have pin accommodations for all the extra pins required for programming. The KAWA ones just happen to, but you'll need some extra pins, so order 2, or get a hold of a damaged or throw-away XTS speaker mic you can harvest some pins from... Finally, you'll need a DB-9 Female, or get an old RS-232 extension cable and cut off the Male end, and use that as your new cable.

    Page 217 of the Service Manual has the programming cable schematic diagram.
    Last edited by Alpha; Feb 15, 2013 at 08:19 AM.

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    Oh yeah, this was about 900MHz. I forgot they had made those for a few years for some of their MultiNet customers. I am not as well versed on the 900MHz stuff.

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    Quote Originally Posted by Alpha View Post
    That might be true for VHF/UHF/800 MHz units, but from what I have been able to tell, the 900 MHz units were unique. The ones coming from TX have RF decks that are clearly not from Motorola (royal blue PC substrate, very pretty), and there was never a 900 MHz XTS3000 or XTS5000 radio produced by Motorola for them to have "borrowed" from... Between firmware and PCC bugs, and all the rest it appears the 900 units were made for one or two special customers of EFJ's and were never really looked back at for bug fixes, updates, etc. and were eventually dropped from their line.
    This is true, these 900MHz units were built by EF Johnson, not Motorola.

  20. #20
    Box15C3 No Longer Registered

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    Are the ebay programming cables safe? They wont "Brick" the radio

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    Quote Originally Posted by Box15C3 View Post
    Are the ebay programming cables safe? They wont "Brick" the radio
    my ebay kawa cable has done a a couple radios. no issues.
    specializing in AES1056 encryption

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    The only glitch I found with the Kawa cable is that the cable had to be in the RS232 port before starting the PCC

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    A buddy of mine bought one the other day and it was totally wrong. They supposedly advertised it as an EFJ cable, but it was probably an XTS3000 rib-less cable from the look of it. It DIDN'T work correctly on EFJ's despite the seller's claim that it was supposed to. I will try to get the seller's name from him next time we talk so you can steer clear of them. That said, however, they won't "brick" a radio, they simply didn't work.

  24. #24
    key2135 No Longer Registered

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    Quote Originally Posted by Alpha View Post
    A buddy of mine bought one the other day and it was totally wrong. They supposedly advertised it as an EFJ cable, but it was probably an XTS3000 rib-less cable from the look of it. It DIDN'T work correctly on EFJ's despite the seller's claim that it was supposed to. I will try to get the seller's name from him next time we talk so you can steer clear of them. That said, however, they won't "brick" a radio, they simply didn't work.
    Thats the cable I bought also;
    RS-232 Serial Programming cable For EF Johnson 5100 51SL
    Member id sgzestore

    I cut the cable off , added a rs232 cable and a few pins to the connector that attaches to the radio and re wired it .. it works now
    I did not try to send it back, since I had the parts I just modified it.
    Good thing the radio connector printed circuit board had all the holes ready to solder them small pins in.

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    Quote Originally Posted by key2135 View Post
    Thats the cable I bought also;
    RS-232 Serial Programming cable For EF Johnson 5100 51SL
    Member id sgzestore

    I cut the cable off , added a rs232 cable and a few pins to the connector that attaches to the radio and re wired it .. it works now
    I did not try to send it back, since I had the parts I just modified it.
    Good thing the radio connector printed circuit board had all the holes ready to solder them small pins in.
    Thanks for that info; I did the same thing - I gave my buddy an extra old cut-off XTS connector to rob some pins out of, and told him to cut off the RIB-like adapter body and wire up a straight DB-9S cable to it. Yours must be the same one because not all of them have the holes for extra pins as you point out...