Chapter 2 Hardware Configuration
PMB-901LF USER
′
S MANUAL
Page: 2-7
COM3:
COM3 Connector, fixed as RS-232
The pin assignments are as follows:
PIN ASSIGNMENT
PIN ASSIGNMENT
1
COM3_DCD#
6
COM3_DSR#
2
COM3_RX
7
COM3_RTS#
3
COM3_TX
8
COM3_CTS#
4
COM3_DTR#
9
COM3_RI#
5
GND
10
NC
COM4:
COM4 Connector, fixed as RS-232
The pin assignments are as follows:
PIN ASSIGNMENT
PIN ASSIGNMENT
1
COM4_DCD#
6
COM4_DSR#
2
COM4_RX
7
COM4_RTS#
3
COM4_TX
8
COM4_CTS#
4
COM4_DTR#
9
COM4_RI#
5
GND
10
NC
1
6
5
10
COM3/
COM4
