DECODE PRM4 Benutzerhandbuch - Seite 18

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5 Firmware update

The following is needed to load the new version of the firmware into the PRM4

device:

 MSPFET software – Can be located on the CD that is included in the PRM4

product pack. Otherwise, the latest software version can be downloaded from

http://kurt.on.ufanet.ru/files/MspFet_16007_devel.zip

 RS232 cable for programming the PRM 4 device, and

 File containing the new firmware.

 Open the casing of the device and take out the printed circuit board.

 Connect the serial port of the PC to RS232 port of the modem via DB9 cable

and programming cable. The adapter for PRM 4 is DB9 female to DB9 male

cable with the following pin connections:

DB9 female

pin 2 ------------------- pin 8

pin 3 ------------------- pin 7

pin 4 ------------------- pin 4

pin 5 ------------------- pin 5

pin 7 ------------------- pin 3

 Set the J1 and J2 into the 1-2 state. The rest of the jumpers should be in a state

corresponding for RS-232C serial connection according to the aforementioned

table.

 Connect the power supply.

 Start the MSPFET, load the prm4xxx.hex, using the setup of the program

adjust the BSL and serial port to which the device is connected. Press AUTO.

Confirm that the modem's microcontroller has been programmed and verified.

 Disconnect the power supply.

 Set the J1 and J2 into the 2-3 state.

 Return the circuit board into the casing and close it.

 Check the modem operation with the new firmware.

Radio modem PRM4 868MHz /User's manual V1.6 / 24.05.2011

DB9 male