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Chapter 3 Hardware Configuration
BE-0986 SERIES USER MANUAL
Page: 3-9
3.4.2
COM PORT
COM1(RS232) Connector Pin Assignment:
PIN ASSIGNMENT
PIN ASSIGNMENT
1
COM1_DCD
6
COM1_DSR
2
COM1_RX
7
COM1_RTS
3
COM1_TX
8
COM1_CTS
4
COM1_DTR
9
COM1_RI
5
GND
10
NC
COM2(RS232) Connector Pin Assignment:
PIN ASSIGNMENT
PIN ASSIGNMENT
1
COM2_DCD
6
COM2_DSR
2
COM2_RX
7
COM2_RTS
3
COM2_TX
8
COM2_CTS
4
COM2_DTR
9
COM2_RI
5
GND
10
NC
COM2(RS422) Connector Pin Assignment:
PIN ASSIGNMENT
PIN ASSIGNMENT
1
TX-
6
NC
2
TX+
7
NC
3
RX-
8
NC
4
RX+
9
NC
5
GND
10
NC
COM2(RS485) Connector Pin Assignment:
PIN ASSIGNMENT
PIN ASSIGNMENT
1
D-
6
NC
2
D+
7
NC
3
NC
8
NC
4
NC
9
NC
5
GND
10
NC
Notes:
1.
COM2 is selectable as RS232, RS422, RS485 by BIOS setting.
2.
Default setting is RS232. Please see
Chapter 5 “Advanced – Onboard Device
Configuration”
for selection details.
COM1/
COM2/
Содержание BE-0986
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