User's Manual

AirHarmony-4000 (External Cavity Filters) Installation Guide
UGD-D01019 Airspan Commercial and Internal Use 28
15. Swing the filters’ cover up till slots are aligned with the two (2) upper bolts on the filter
bridge.
16. Once in place tighten all four (4) screws to lock the filters’ cover in place.
Figure 17: Tighten screws on cover
4.2 Connecting the GPS Antenna
After assembly of the External Filters set, the GPS antenna should be connected and it is
recommended that the connection should be weather-proofed.
The following describes the connection of the GPS antenna which is installed directly to the top of
the unit.
1. Unscrew the protective dust cap from the GPS antenna jack prior to mounting on the
AirHarmony-4000.
2. Align the GPS jack with the plug attached to the top panel on the AirHarmony-4000.
Figure 18: Attaching GPS antenna to unit
Caution: Take care not to over tighten so as not to damage the threads.
Note: It is good practice to weather-proof all the antenna connections. This is done with