Qpcom QP-748MI Hardware User Manual - page 5
QP-748MI User Manual
Version 1.0
3
T
OP
V
IEW
This is the top view of the QP-748MI containing the
ground, power inputs, and fault alarm relay.
LED
I
NSTRUCTION
System LEDs
LED
Color
Status
Description
PWR1
Green
On
Power is supplied on the power input 1.
Off
Power is not supplied on the power input 1.
PWR2
Green
On
Power is supplied on the power input 2.
Off
Power is not supplied on the power input 2.
Fault
Green
On
The system boots up and in normal operation.
Off
The system is powered off or during booting.
Red
On
The configured event of failure is triggered.
RM
Green
On
This device has the Ring Master.
Off
The Ring Master is not on the device.
Ring
Green
On
The Ring protocol is enabled and works normally.
Flickering
The Ring protocol is enabled, but works abnormally.
Off
The Ring protocol is disabled.