Table 3-4: Npu Leds - Nera WiLink-I Series System Manual

Chapter 3 - Commissioning
Name
PWR
ALRM
BST ALRM
EXT ALRM
MASTER
GPS/SYNC
HOT SWAP
60

Table 3-4: NPU LEDs

Description
Power indication
NPU Alarm indication
Base Station chassis alarm
indication
External alarm indication
Master/Slave
(primary/secondary)
operation indication
GPS/IF clock synchronization
functionality indication
NPU readiness for hot-swap
removal
Functionality
¢
Off - NPU is not powered
¢
Red - NPU power failure
¢
Green - NPU power is ok
¢
Off - NPU is OK
¢
Red - NPU failure
¢
Off - All Base Station modules are OK
¢
Red - Failure in one (or more) Base Station
modules
¢
Off - No alarm received via the AL IN connector
¢
Red - Alarm received via the AL IN connector
¢
Off - Secondary NPU (backup)
¢
Green - Primary NPU
¢
Off - GPS/IF clock synchronization is disabled
¢
Green - GPS/IF clock synchronization is enabled
¢
Off: Power to the module is not disconnected, the
NPU is not ready for removal
¢
Blue: Power to the module can be disconnected
and the NPU can be safely removed
For instructions on using the HOT SWAP handles refer
Section 2.2.9
to .
Commissioning