Cambium Networks PTP 250, Руководство пользователя

Страница: 133 / 228

PTP 250 User Guide Installing connectorized antennas
phn-2510_002v000 (Mar 2012) 5-11
8 Dress the antenna cables and attach them to the supporting structure using site
approved methods.
Ensure that no undue strain is placed on the ODU or antenna connectors.
Ensure that the cables do not flap in the wind, as flapping cables are prone to
damage and induce unwanted vibrations in the supporting structure.
Weatherproofing an N type connector
The following procedure should be used to weatherproof the N type connectors fitted to
the connectorized ODU and antenna (if recommended by the antenna manufacturer).
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.
To weatherproof an N type connector, proceed as follows:
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: