Users Manual
EAC BOX
17
SW1 (On Back side):
COM3(J3) / COM4(J8) RS-422/485 Mode Switch
D-Sub 9P RS-232/RS-422/RS-485 (J3,J8)
Used connector: DB9 Female
Related connector: DB9 Male
Pin No.
Symbol
Description
1
P1
DCD/D-/TX-/RX-
2
P2
RXD/D+/TX+/RX+
3
P3
TXD/RX+/TX+
4
P4
DTR/RX-/TX-
5
GND
Ground
6
P6
DSR/NC
7
P7
RTS/NC
8
P8
CTS/NC
9
P9
RI/NC
Pins definition of J3 and J8 of 3 types
1. RS-485
Pin No.
Symbol
Description
1
P1
D-
2
P2
D+
2. RS-422 Master
Pin No.
Symbol
Description
1
P1
TX-
2
P2
TX+
Содержание I330EAC-201
Страница 6: ...Users Manual EAC BOX 5 CHAPTER 1 General Information ...
Страница 12: ...Users Manual EAC BOX 11 CHAPTER 2 Installation ...
Страница 17: ...Users Manual EAC BOX 16 2 RS232 Jumper Settings 1 RS 485 RS 422 2 RS 232 RS2T4 420 RS2T4 420 ...
Страница 20: ...Users Manual EAC BOX 19 CHAPTER 3 Operation the EAC ...