Status LED

Slot X5 has a green LED labeled “Us”. It signals the status of the control voltage US. Slot X5 has a green LED labeled “Up”. It signals the status of the load voltage UP.

Status LED 1:

LED US | Status display of the load voltage

LED status

Explanation

off

No control voltage present

green on

Control voltage present

Status LED 2:

LED UP | Status display of the load voltage

LED status

Explanation

off

No load voltage present

green on

Load voltage present