User's Manual
CDR-9150 OEM DATA RADIO MODULE
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Revision B INTEGRATOR’S GUIDE
21
DB-9 Pin Out (RS-485)
PIN 1 – Unused
PIN 2 – Unused
PIN 3 – Unused
PIN 4 – Unused
PIN 5 – GND (Ground) is the interface common.
PIN 6 – Unused
PIN 7 – RS-485-
PIN 8 – Unused
PIN 9 – RS-485+
Power Connector Pin Out
The power connector should receive 8-32 VDC at 1000 mA. The 2.5mm x 5.5mm jack
is center positive.