LED indicators

Ethernet

LED indicators 1:
LEDs CU2608

An LED for each of the eight channels shows the current status.

LEDs per channel

LED

Display

Link
Act

off

No connection

on

Connection available (link)

flashing

Data transfer (act)

Supply voltage

LED indicators 2:
Supply voltage

LED

Display

Meaning

24 V Us (control voltage)

off

the power supply voltage, Us, is not present

green illuminated

the power supply voltage, Us, is present

24 V Up (peripheral voltage)

off

the power supply voltage, Up, is not present

green illuminated

The power supply voltage, Up, is present

The peripheral voltage Up is not required in the CU2608 and is therefore passed through.