User`s guide

9-2
9.3 Loading New Firmware
Prior to replacing the radio, the DCM-200 will need new operating software (“firmware”)
to accept the g20 radio. Chapter-5 discusses how to do this. The required firmware is
100219, Version V2.4 or later. The name of the program file for V2.4 is
“100219_24.hex”.
9.4 Removal of the g18 Radio
1) Disconnect the power cable from the J1 connector.
Figure 9-2
Location of Power Connector
2) Remove the three screws from the g18 radio. Save these, the three nylon
washers and three nylon spacers for later use.
Figure 9-3
Location of Radio Mounting Screws
3) Gently remove the radio from the board by pulling it from the connector below.
4) Gently remove the antenna or antenna cable by pulling it straight out. Remove
the SIM card from the bottom of the radio.