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Need help with Motorola CM300

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Cannot read radio

Hello,

  I have a Motorola Radius CM300.
I bought a RIB and cables. I have read that you must connect the 9.3V on pin 8 to HOOK on pin 6 in order to put the radio into serial com mode.
(Pin numbers refer to the RJ45 mic input)
I made the connection but still cannot read the radio. The light on the RIB blinks once so that tells me the RIB is receiving data from the computer.
I also read that FIFO should be disabled on the COM port and I have done that too. Any ideas?

Here are the details:
COMPUTER: WIN XP 200 MHZ processor
RIB model MAXTON RPC-MRIB
CPS CPS_LA_R05.12

Clicking "Read Device" gives an ERROR warning to check cables and turn on device. The RIB blinks once.

-Steve
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