User's Manual

AirHarmony-4400 (External Cavity Filters) Installation Guide
UGD-D01186 Airspan Commercial and Internal Use 45
the filter, which has two (2) ports with DIN 4.1/9.5 connectors (Female - external thread)
on the top of the cavity filter.
Figure 37: DIN 4.1/9.5 connectors (external thread)
Caution: Antennas must be connected and attached before AirHarmony is powered on.
Caution: Power down AirHarmony prior to disconnecting antenna.
2. Weather-proof the RF connections.
Note: The above is also applicable for replacement assembly.
5.2.2 Weather-proofing the Antenna Connections
Weather-proofing of all the connections is required. This is done with a layer of self-amalgamating
tape followed by an over layer of PVC tape. The weather-proofing is best done at this stage to give
easier access to the connections.
Note: Weather-proofing is best done at the assembly stage to give easier access to the
connections. Weather-proofing is to be done to all RF connectors.
Verify the RF connectors are completely weather-proof.