Sharp YO-370 Instrukcja Obsługi Pobierz pdf (Strona 28)

16 Revision 10 – 1/09/2015 FTS 370d/w/r

 Ensure that the installation is

watertight.

Note: See Cellular Antenna and GPS

Antenna for additional information

regarding the Antenna Mounting Bracket

Kit.

Cellular Antenna

A Cellular antenna (Verizon magnetic

mount or AT&T body mount) is required

with either of the optional cellular modems

shown in Figure 6-1. The supplied antenna

mounting bracket’s top plate accommodates

either the magnetic mount or body mount

style antenna as shown in Figure 2-2.

Figure 2-1 shows the body mount style

antenna installed with the photodiode and

GPS antennas. The antenna connects

directly to the modem as shown in Figure 2-

24. Follow the method below to install the

antenna.

The system is shipped with the antenna

preinstalled and the antenna cable’s SMA

connector torqued to specification onto the

modem’s antenna connector for optimal

performance; do not remove or disconnect

unless replacing the modem or antenna.

Important! For best communication

performance and to minimize potential for

surge damage to the modem radio

module, it is very important that the

supplied antenna mounting bracket be

used for mounting the antenna and that

the bracket be grounded with a minimum

14 AWG Ground wire connected to the

site Grounding System. Also, if any

excess antenna cable is coiled up, the coil

diameter must not be less than 18 inches.

Maximum torque for the antenna’s SMA

connector must not exceed 8 inch-pounds

(90 N-cm) using a 5/16’” torque wrench.

Damage to the modem may occur if the

connection is over tightened.

Choose a location for mounting the cellular

antenna that will provide optimal reception.

The included mounting bracket can

simultaneously accommodate a Vanguard

Photodiode, Cellular Antenna, and GPS

Antenna as shown in Figure 2-1.

Note: The antenna must be mounted

outdoors to ensure optimal reception.

See “Photodiode Mounting” and “GPS

Antenna” for additional considerations

when selecting a mounting location for the

Antenna Mounting Bracket.

1. Mount the Antenna Mounting Bracket

using one of the following methods:

 Wall Mount: Use screws (not

included) to mount to the outside

wall of a shelter.

 Horizontal Unistrut Mount: Use

spring-nuts (not included) to mount

to unistrut.

 Vertical Pole or H-frame post

Mount: Use 3” U-bolt (included) to

mount to pole or H-frame post. The

bracket permits use of larger U-bolts,

up to 5”.

Important! Regardless of the mounting

method selected, the antenna bracket

must be grounded with a minimum AWG

14 Ground wire connected to the site

Grounding System. Observe proper

Grounding procedures.

2. The cellular antenna must be mounted at

the center of the bracket as shown in

Figures 2-1 and 2-2. Follow the location

recommendations noted in “Photodiode

Mounting” and “GPS Antenna” if it is

installed along with the photodiode

and/or GPS antenna.

3. To install the bulkhead mount style

antenna, loosen the antenna mounting

nut and washer and slide the antenna

mount through the bracket’s center

slot. Tighten the hardware.

4. Secure the antenna cable to the mounting

structure using cable ties.

5. Coil up any unused antenna cable inside

the SC 370 enclosure. The diameter of

the coil should be as large as possible.

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