User Manual
Modbus TCP/EtherNet IP Gateway
GT200-MT-EI
WWW.SSTCOMM.COM
11
3.4 Interface
3.4.1 Power Interface
GT200-MT-EI has two power interfaces and power redundant function. When one power fails, another power
can keep supplying power.
Pin
Function
1
GND
2
NC, not connected
3
24V+ , DC 24V
3.4.2 Ethernet Interface
Ethernet interface uses RJ-45 connector; its pin (standard Ethernet signal) is defined as below:
Pin
Signal Description
S1
TXD+, Tranceive Data+, Output
S2
TXD-, Tranceive Data-, Output
S3
RXD+, Receive Data+, Input
S4
Bi-directional Data+
S5
Bi-directional Data-
S6
RXD-, Receive Data-, Input
S7
Bi-directional Data+
S8
Bi-directional Data-