Table 2-13: Npu Leds - Nera WILINK I System Manual

Chapter 2 - Installation Guidelines
Name
PWR
ALRM
BST ALRM
EXT ALRM
MASTER
GPS/SYNC
HOT SWAP
42

Table 2-13: NPU LEDs

Description
Power indication
NPU Alarm indication
Base Station chassis alarm
indication
External alarm indication
Master/Slave operation
indication
GPS/IF clock synchronization
functionality indication
NPU readiness for hot-swap
removal
WILINK I MODULAR BASE STATION SYSTEM MANUAL
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 alarms
Red – Alarm received via the ALRM IN
connector
Off – Secondary NPU (backup)
Green – Primary NPU
Off – GPS/IF clock synchronization is
disabled
Green – GPS/IF clock is synchronization
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 to Section 2.2.9.