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Note:
S4
0
9
8
7
6
S4
0 9 8 7 6 5
S4
0 9 8
7 6 5 4 3
S4
0 9 8 7
6 5 4 3 2
PIN
RS-232
1
NDCD
2
NRX
3
NTX
4
NDTR
5
GND
6
NDSR
7
NRTS
8
NCTS
9
NRI
1
6
indicates the switch jumper
S5
5
4
3
2
1
2
1
ON
ON
S5
4 3 2 1
2 1
ON
ON
S5
2 1
2 1
ON
ON
S5
1
2
1
ON
ON
RS-422
TX-
TX+
RX+
RX-
5
9
RS232
RS485
RS422-MASTER
RS422-SLAVE
41
RS-485
D-
D+
Appendix A
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