User guide

20 CommPlete 4000 Server SBC, Model IPC-551
Hardware Configuration
2-8 COM1 Connector
COM1 : connector type is DB9 male and has pinout as follows:
15
6
9
COM1
Figure 2-18: COM1 Connector
PIN SIGNAL FUNCTION
1 DCD
2RX
3TX
4DTR
5 GND
6 DSR
7RTS
8 CTS
9RI
2-9 COM2 Connector
COM2 : COM2 Connector
1
5
6
COM2
10
Figure 2-19: COM2 Connector
The COM2 Connector assignments are as follows:
PIN SIGNAL FUNCTION
RS-232 RS-422 RS-485
1 DCD TX- DATA-
2 RX TX+ DATA+
3 T X RX+ NC
4 DTR RX- NC
5 GND GND GND
6 DSR RTS- NC
7RTS RTS+NC
8 CTS CTS+ NC
9 RI CTS- NC
10 NC NC NC