APPENDIX B
DIAG serial port adapter cable
This adapter cable is designed to be plugged in RJ45 front DIAG RS232 serial port at IDM50B modem,
providing standard DB9F DCE pinout on the other side of cable. DIAG port, equiped with this cable, is
used for setting IDM50B modem parameters with AT commands, when switch is in RUN position, and
for upgrading firmware using bootloader mode, when switch is in BSL position.
Figure B1. - RJ45 and DB9F connectors
Figure B2. - Adapter cable schematics
IDM50B User Manual v1.2n, Rev. date: 24 februar, 2009
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