User's Manual
Hardware Installation Manual Installing the BSDU
02030311-03 Airspan Networks Ltd. 5-17
5.4. BSDU LED Status Indicators
The BSDU status LED indicators are located on the BSDU’s front panel, as
displayed in Figure 5-10.
HSP State GPS HSP P
Figure 5-10: BSDU status indicator panel
The LED indicators include the following:
! HSP (Hop Synchronization Process)—this LED indicates that the BSDU
synchronization process is active.
! State—the functions of the State LEDs are described in the following table:
Left
LED
Right
LED
Function
Synchronization process is starting
This BSDU is the master unit
This BSDU is a slave unit
BSDU sync pulse lost
! GPS (Global Positioning Satellite)—this LED is lit when a GPS is connected to the
BSDU. The LED flashes when receiving a satellite signal.
! HSP P (Hop Synchronization Process Pulse)—this LED indicates the change state
for the HSP pulse.