CalAmp 520005-1 Скачать руководство пользователя страница 8

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correct antenna polarization.  Do not over-tighten the antenna mounting hardware
as damage to the antenna may result.

4.  Connect the transceiver to a signal level meter and apply power to the unit (through

the signal level meter internal power source).   Align the antenna by peaking the
signal level reading measured on the meter.  If available, a QAM analyzer should be
used to record the signal level, signal to noise ratio and the Bit Error Rate (BER).
Always record these values on the work order.

5.  Run a cable from the transceiver into the customer premises. Note: There are a

number of established methods of running cables from outdoor installations to
indoor locations while eliminating the potential for moisture ingress. It is beyond the
scope of these instructions to recommend a method. Please check with the system
operator’s installation guidelines for recommended procedures.

 

6.  Once inside the customer premises, the cable must be run to the location of the

cable modem. At this location, add powering by connecting the cable to the power
passing side of the power inserter and plug in the power supply into an appropriate
outlet. Note: It may be advisable to use an uninterruptable power supply or surge
suppressor to power the transceiver, to minimize power supply transients affecting
the performance of the desired link.

 

7.  The cable modem then is connected to the other end of the power inserter, the side

that does not pass DC.  

Important:

 do not apply DC power to the cable modem.

Refer to the system operators’ instructions or cable modem supplier’s instructions
on proper operation and verification of cable modem functionality.

See attached diagram for connection configuration.

Содержание 520005-1

Страница 1: ...nknown hazards damage and or unacceptable performance The information contained in this applications note is intended to assist the operator in developing a set of installation guidelines and operating practices for the field personnel skilled in installing roof top subscriber equipment California Amplifier accepts no responsibility for claims of injury death destruction of property or loss of tel...

Страница 2: ...llowing table summarizes the minimum distance required to satisfy these requirements Limits Minimum P N Integrated Planar 17 dBi Standalone when used with 24 dBi 520005 1 N A 26 in 66 cm 520004 1 N A 48 in 122 cm 520006 1 N A 26 in 66 cm 520007 2 12 in 30 cm N A 520024 2 12 in 30 cm N A 520004 2 22 in 55 cm N A 520006 2 12 in 30 cm N A 2 When installing a standalone Transceiver orient the FCC RF e...

Страница 3: ...owed by a short roof or chimney mount When higher gain or foliage clearance is needed then a tree mount or mast mount should be considered The following mounts are described and their general application Wall or Standoff Mount These are used in high signal density areas where antenna aesthetics is of concern It offers great flexibility in mounting angles and locations The stand off arms mount from...

Страница 4: ...pplication of brick type chimneys a dual band strap mount is best The proper strap will securely fasten the mounting bracket and antenna For wood over metal construction chimney a version of the wall mount is best Make sure the anchor bolts attach to a supporting stud member and not just the fascia board ...

Страница 5: ...pplicable specifications and drawings of the system operator This requirement includes the choice of antennas the weatherproofing of all connections all penetrations into the building and all grounding procedures both at the antenna mount and at the point of drop entry into the building INSTALLATION PLANNING In addition to meeting the highest standards of quality and workmanship another valid goal...

Страница 6: ...can affect system performance Microwave signals are highly susceptible to absorption by trees and other foliage A wireless antenna thus cannot view the transmitter from behind a tree Distant trees can also cause reception problems While they may not be visible to an installer they may still lie in the transmission path Signal fluctuations exceeding 2 dB during a survey may be an indication of dist...

Страница 7: ...FETY NOTE Aluminum ladders are not to be used for field installation or repair service Only ladders that have fiberglass rails may be used because of the possibility of contact with electrical wires or other energized conductors Ladders should be checked weekly to make sure that they are in good repair and safe working order Instructions 1 Determine the location of antenna Choose a location and he...

Страница 8: ... the scope of these instructions to recommend a method Please check with the system operator s installation guidelines for recommended procedures 6 Once inside the customer premises the cable must be run to the location of the cable modem At this location add powering by connecting the cable to the power passing side of the power inserter and plug in the power supply into an appropriate outlet Not...

Страница 9: ...131908 2 C A 9 Transceiver Planar Array Antenna Cable Modem ...

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