Siemens Simatic 620 User Manual
Page 148
Hardware Information
7-16
SIMATIC Box PC 620 Manual
A5E00131465-01
Ethernet RJ45 Connection
LED green
LED yellow
1
8
Figure 7-8 Ethernet port
Pin-No.
Designation
Description
Input / Output
1
TD+
Transmitted data
Output
2
TD–
Transmitted data
Output
3
RD+
Received data
Input
4, 5 *
SYMR
Internal 75 Ω output
-
6
Received data
Input
7, 8 *
SYMT
Internal 75 Ω output
-
S
Shield
-
LED green
Connection
-
LED yellow
Activity
-
* is not necessary for data transfer