Cambium Networks PMP 450 Series, Руководство по установке

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Chapter 5: Installation 274
A t t aching and w eat her p r oof ing an N t yp e connect or
The following procedure should be used to weatherproof the N type connectors fitted to the
connectorized ODU (AP/sM/BH) and antenna. This procedure must be followed to ensure that there is no
moisture ingress at the radio ports. Failure to properly seal N-type antenna connectors can result in poor
link performance or complete loss of radio communication.
Note
Cambium recommends assembling the antenna, attach the ODU and cabling, and
to seal the RF connections before installing the unit at the deployment site.
Note
N type connectors should be tightened using a torque wrench, set to 15 lb in or 1.7
Nm. If a torque wrench is not available, N type connectors may be finger
tightened.
Use this procedure to weatherproof the N type connectors fitted to the connectorized ODU and external
antenna (if recommended by the antenna manufacturer).
1 Ensure the connection is tight. A torque wrench should be used if available:
2 Wrap the connection with a layer of 19 mm (0.75 inch) PVC tape, starting 25 mm (1 inch) below the
connector body. Overlap the tape to half-width and extend the wrapping to the body of the LPU.
Avoid making creases or wrinkles:
3 Smooth the tape edges: