103
MPU LEDs
Table 47
MPU LED description
MPU LED
Status
Description
ACT (green)
Steady on
The MPU is in active state.
Off
The MPU is in standby state.
RUN (green-red)
Flashing green
The MPU is operating correctly.
Flashing red
The MPU is faulty.
Steady on
The MPU is faulty.
Off
The MPU is faulty or not present.
LPU LEDs
An LPU has two types of LEDs: interface LEDs and RUN LEDs.
Interface LEDs
LINK and ACT LEDs
Each interface on the following LPUs has a LINK LED and an ACT LED:
•
LST1XP8LEB1
•
LST1XP8LEC1
Table 48
Interface LED description
LED Status
Description
LINK
Off
No link is present.
Steady on
A link is present.
ACT
Off
No data is being transmitted or received.
Flashing
Data is being transmitted and/or received.
LINK/ACT LED
Each interface on the following LPUs has a LINK/ACT LED:
•
LST1GP48LEB1
•
LST1GP48LEC1
•
LST1GP48LEF1
•
LST1GT48LEB1
•
LST1GT48LEC1
•
LST1XP16LEB1
•
LST1XP16LEC1
•
LST2XP8LEB1