Page 18
Spread-Spectrum Radio Modem Installation Kit
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Mounting Antenna Mast on Sensor Mounting Arm Support Pipe
Attach the antenna to the antenna mast as shown below. If the outside
diameter of the antenna mast is less than 1.16" (30 mm), omit the mast-
mounting blocks. If installing the 12dB Yagi from YDI, connect the antenna
cable (N-to-BNC) to the short antenna cable attached to the Yagi. Attach
the antenna mast brackets to the bottom of the antenna mast using the
1-1/4" U-bolts, washers, lock washers, and hex nuts as shown below.
Attach the antenna mast to the support pipe using the 2-1/4" U-bolts,
washers, lock washers, and hex nuts as shown below.
1-1/4" U-Bolt
Antenna Mast
Flat Washer
Lock Washer
1/4" Hex Nut
Antenna Mast
Bracket
Saddle
Sensor Mounting Arm Pipe
2-3/8" (60 mm) Outside
Diameter Maximum
2-3/8"
U-Bolts
2-3/8"
Saddles
Antenna
Mast
Flat Washer
Lock Washer
5/16" Hex Nut
Antenna Mast
up to 1-1/4" (32 mm)
Outside Diameter
(user-supplied)
1-1/4" U-Bolts
Mast-Mounting
Blocks
Do not use if
mast diameter is
less than 1.16"
(30 mm).
Yagi Antenna,
(8.5db Yagi with
vertical polarization shown)
Split-Lock Washer
5/16" Hex Nut
If using 12 dB Yagi
(supplied by YDI),
connect N-to-BNC antenna
cable to Yagi cable.
Содержание SPREAD-SPECTRUM RADIO MODEM
Страница 35: ...Power Circuit Schematics Page 35...
