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Communication Ports
4.1 Copper Ethernet Ports
Electric shock hazard – risk of serious personal injury and/or equipment
interference
When shielded cables are used, make sure the shielded cables do not form a ground
loop via the shield wire and the RJ45 receptacles at either end. Ground loops can
cause excessive noise and interference, but more importantly, create a potential
shock hazard that can result in serious injury.
LEDs
Each port features a Speed and Link/Activity LED that indicates the state of the port.
1
1
2
Figure 4.2
Speed
Link/Activity
Pin-Out
The following is the pin-out for the RJ45 male connectors:
8
Figure 4.3
18
WARNING
2
Speed LED
Link/Activity LED
RJ45 Port LEDs
LED
1
RJ45 Ethernet Port Pin Configuration
Pin
1
2
3
4
State
Yellow
Off
Yellow (Solid)
Yellow (Blinking)
Off
Name
RX+
RX-
TX+
Reserved (Do Not Connect)
Description
The port is operating at 100
Mbps
The port is operating at 10 Mbps
Link established
Link activity
No link detected
Description
Receive Data+
Receive Data-
Transmit Data+
RUGGEDCOM RS930L
Installation Manual, 11/2022, C79000-G8976-1034-11
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