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GND
NC
24V+
1
2
3
引脚
功能
1
GND,
2
NC, no connection
3
24V+ , DC
3.4.2 Ethernet interface
Ethernet interface apply RJ-45 connector, 10/100M adaptive.
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-
3.4.3 RS-485 interface
The RS-485 interface of ENB-302MI is standard, and the RS-485 characteristics of the product are shown
as follows:
Summary of Contents for ENB-302MI
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