6
Figure 8: ID-E20211-S1 DB9 pin assignment
Pin Assignment
ID-E20211-S1 Pin Assignment
RJ-45 Pin Assignment
Figure 7: ID-E20211-S1 RJ-45 pin assignment
1
8
Note: For RS-485 (2-wire), need to control input (RTS) and output (DTR).
RJ45 Pin#
RS-422
RS-485
(4-wire)
RS-485
(2-wire)
1
RxD-(A)
2
RxD+(B)
3
GND
4
NC
NC
5
NC
NC
6
TxD-(A)
Data-(A)
7
NC
8
TxD+(B)
Data+(B)
DB9 Pin#
RS-422
RS-485
(4-wire)
RS-485
(2-wire)
1
TxD-(A)
Data-(A)
2
NC
NC
3
NC
NC
4
TxD+(B)
Data+(B)
5
GND
6
RxD-(A)
7
RxD+(B)
8
NC
9
NC
DB9 Pin Assignment