Motorola CDM Series Programming Cable

[carlnphily]

HI All

I Just Recently Started Getting Into Programming CDM Series Radios.

Attached Is A Diagram On How To Use A Ribless CDM Programming Cable, And Rewire The End

To Use The Rear Accessory Port. It's Very Convenient When On The Bench Or

If The Radio Has A Remote Head Installation.

 

[Project25_MASTR]

So convenient the Motorola service cable actually had the ability to read/write from the rear accessory port when interfaced to a RIB. It also had a 20 pin to 16 pin adapter pigtail (wish I knew where to find one or the P/N as I seemed to have lost mine) so you could adapt it for the CM/PM line as well.

Edit: FKN8113 is the P/N for the 20 pin to 16 pin pigtail

 

[carlnphily]

Just A Quick Update.
First, I Wanted To Thank Member nt8d09 For His Original Post On How To Do This!
Your Information Was Invaluable!

I Updated With A Note That The Pin Numbers On The RJ Plug May Be Inaccurate.
I Have Found The Pins Numbered Both Ways (From Left To Right AND From Right To Left)
So Use The Physical Location Of The Wires From The Ribless Cable To The Rear Panel Connector.

Due To A Cloning Error On 2 Of My HT's, I Was Forced Down The Rabbit Hole Of Doing a Firmware
Update To Repair Them And (Ouch) Purchasing A Genuine Big M Flashing Cable For The HT's.
Using This Cable With An Aftermarket RIB, And A Home Built Flashing Adapter, I Managed To
Repair The EEprom Error (Caused By Cloning) And Update All 10 Of My HT's With No
Problems! Since I Am In So Deep Now, I Went Ahead And Decided To Make A Cable To Flash The
Mobiles As Well. So Far, 1 Mobil Has Been Successfully Updated To The Latest Firmware.

Thank You Project25_MASTR For The 20 To 16 Pin Pigtail Part Number!