Pro-Tech BE-0986 - Page 25

Chapter 3 Hardware Configuration
BE-0986 SERIES USER MANUAL
Page: 3-10
COM3(RS232) Connector Pin Assignment:
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_SEL
5
GND
10
NC
COM4(RS232) Connector Pin Assignment:
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_SEL
5
GND
10
NC
Note:
COM3, COM4: Pin 9 is selectable for RI, +5V or +12V by jumper setting. Default setting is RI,
please see “COM3 and COM4 PIN9 Definition Selection Guide” for selection details.
COM3/
COM4/