When I let go of the radio Power button the rib will power down I know it not the rib box and lead it works with my other MCS2000 with out any problems. But when I hold down the power Button on the radio the rib will power up. I know when you use the DB25 lead the radio will Power up the rib.
When I put the DB25 rear programming lead from the radio to My Rib Box. Title Page MCS 2000 Mobile Radio Non-Frequency Range Specific Detailed Service Manual Motorola, Inc. I have tested the Head and it works A ok. Key features specs connector db25 female, raj 45 crystal soft heavy duty cable color black cable length approx 3 package included programming cable see my other items at my store rib box for motorola rib cable for mcx1000, Mixtec etc universal cable for motorola guarantee 100 satisfy with purchase. I can not get the radio to Power UP or read/program it.