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92 CMX58886CX cpuModule BDM-610000050 Rev A
Table 63 COM1/COM2 (RS-232) — 9-Pin D Connector (male)
IDAN Pin # Signal Function Mode
1 DCD Data Carrier Detect Input
2RXD Receive Data Input
3 TXD Transmit Data Output
4 DTR Data Terminal Ready Output
5 GND Ground —
6 DSR Data Set Ready Input
7 RTS Request To Send Output
8CTS Clear To Send Input
9 RI Ring Indicator Input
Table 64 COM1/COM2 (RS-422/485) — 9-Pin D Connector (male)
IDAN Pin # Signal Function Mode
1Reserved— —
2RXD– Receive Data –Input
3 TXD– Transmit Data – Output
4Reserved— —
5 GND Ground —
6Reserved— —
7 TXD+ Transmit Data + Output
8RXD+ Receive Data +Input
9Reserved— —