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61 PCM-3362 User Manual
Appendix A Pin Assignments
CN16 COM1~COM2 Connector
Part Number 1653003720
Footprint HD_10x2P_79_RA
Description PIN HEADER 10*2P 2.00mm 90D(M) SMD 21N22050-20J1
Pin Pin Name Signal Type Signal Level
1 COM0_DCD# IN +5 V
2 COM0_DSR# IN +5 V
3 COM0_RXD IN +5 V
4 COM0_RTS# I/O +5 V
5 COM0_TXD OUT +5 V
6 COM0_CTS# IN +5 V
7 COM0_DTR# I/O +5 V
8 COM0_RI# IN +5 V
9GND
10 GND
11 COM1_DCD# IN +5 V
12 COM1_DSR# IN +5 V
13 COM1_RXD IN +5 V
14 COM1_RTS# I/O +5 V
15 COM1_TXD OUT +5 V
16 COM1_CTS# IN +5 V
17 COM1_DTR# I/O +5 V
18 COM1_RI# IN +5 V
19 GND
20 GND
CN17 RS422/485 Connector
Part Number 1655304120
Footprint WHL4H-2M_A
Description WAFER BOX 2.0mm 4P 90D(M) DIP W/LOCK
Pin Pin Name Signal Type Signal Level
1 RS422_RXD- I/O +5 V
2 RS422_RXD+ I/O +5 V
3 RS485_422_TXD+ I/O +5 V
4 RS485_422_TXD- I/O +5 V
171
218
3
420
19
12 43