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Connections
11. Connections
11.1 Ethernet port
The Ethernet port has two LED status indicators. They work as shown in the following figure.
Red LED
11.2 Power supply, grounding, and shielding
The power is transmitted over a network cable (PoE).
NOTE
Make sure that the power supply has sufficient power capacity for the operation of the product.
The product must always be grounded to earth with a shielded network cable (CAT5 or higher).
Grounding helps limit the effects of noise due to electromagnetic interference on the control system.
Earth connection can also be done using the screw located near the connector. A label identifies the
ground connection.
All the electronic devices in the control system must be properly grounded. Grounding must be per-
formed according to applicable regulations.
Reserved
Green LED
Red LED
•
Off: Valid link has not been detected
•
On: Valid link has been detected
Green LED
•
On: No activity
•
Blinking: Activity
19
Pin Description
1
TX+
2
TX-
3
RX+
4
n/c
5
n/c
6
RX-
7
n/c
8
n/c
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