Operation Verification
WILINK I MODULAR BASE STATION SYSTEM MANUAL
55
Table 3-5: PIU LEDs
LED Status
PWR
MASTER
Description
Off
Off
Chassis is not connected to power
Red
Off
Power is not connected or power input is out of range or PIU card is
damaged. Chassis is powered by the redundant PIU
Red
Green
Power input is out of range or PIU card damaged. Chassis is powered
by the PIU
Green
Off
Power to PIU is OK. PIU is in redundant mode and the chassis is
powered from the other PIU
Green
Green
Power to PIU is OK. The chassis is powered from the PIU
HOT SWAP
Off: Power from the module to the chassis is not disconnected, the
PIU is not ready for removal
Blue: Power from the module to the chassis can be disconnected
and the PIU can be safely removed
For instructions on using the HOT SWAP handles refer to Section
2.2.9
.
Table 3-6: PSU LEDs
LED Status
PWR
ALRM
Description
Off
Off
No power or fatal damage
Off
Red
Power input is out of range or PSU is damaged or PSU is inhibited by NPU
Green
Off
Power is OK and PSU operates properly.