Trimble Inc. CCKCDPD ユーザーズマニュアル
2 Installation
3 0 CrossCheck CDPD Mobile Unit Manual
2.8
Routing the GPS Antenna Cable
The Magnetic GPS Antenna has an integral antenna cable, and the
Miniature Bulkhead GPS Antennas have a separate 5-m
(approximately 16 ft.) cable.
Miniature Bulkhead GPS Antennas have a separate 5-m
(approximately 16 ft.) cable.
If you are using one of the Miniature Bulkhead GPS Antennas, attach
the antenna cable to the connector on the base of the antenna prior to
routing the cable. When routing the cable, start at the antenna and
choose the most direct path to the CrossCheck CDPD while observing
the following guidelines:
the antenna cable to the connector on the base of the antenna prior to
routing the cable. When routing the cable, start at the antenna and
choose the most direct path to the CrossCheck CDPD while observing
the following guidelines:
•
Make sure that at least 5.1 cm (2 in.) of clearance exists
between the CrossCheck CDPD's antenna connector and the
nearest obstacle.
between the CrossCheck CDPD's antenna connector and the
nearest obstacle.
•
Make all cable bends, especially the bend at the SMA strain
relief to the antenna connector, with at least 1.3 cm (0.5 in.)
bend radius.
relief to the antenna connector, with at least 1.3 cm (0.5 in.)
bend radius.
•
Provide an adequate service loop when routing the cable around
vehicle hinges to ensure that the cable is not pinched when a
hinged door opens or closes.
vehicle hinges to ensure that the cable is not pinched when a
hinged door opens or closes.
•
Make sure that the coax cable is not routed through areas where
vehicle movement can abrade the cable surface.
vehicle movement can abrade the cable surface.
•
Never coil the excess antenna cable, particularly the Magnetic
GPS antenna cable. A coiled cable can act as an antenna and
may receive interference.
GPS antenna cable. A coiled cable can act as an antenna and
may receive interference.
•
Protect cables from exposure to corrosive fluids.
Once the cable is routed and secured, attach the cable to the
CrossCheck CDPD GPS (SMA) connector.
CrossCheck CDPD GPS (SMA) connector.