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Communication Ports
COM 2
13 12
11
10
9 8
25 24 23
22
Pin
Function
1
N/A
2
RS232 TXD
3
RS232 RXD
4
RS232 RTS
5
RS232 CTS
6
N/A
7
Signal ground
8
Optional;
+5V@100mA output
9
10
N/A
11
12
RS422 CTS+
13
RS422 CTS-
16
7
6
5
4
3
2
1
21
20
19 18
17
16
15
14
Pin
Function
14
RS422 TX+
(RS485+)
15
RS422 TX-
(RS485-)
16
RS422 RX+
17
RS422 RX-
18
19
20
N/A
21
22
23
RS422 RTS+
24
RS422 RTS-
25
N/A
ABB, 1SBC159108M0201
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