61
Mounting the CMAP
Using the Reset Shunt
16
Mounting the CMAP
To mount the CMAP assembly on a cable strand, you need to secure the cable clamps that
are attached to the strand interface to the cable strand.
The CATV coaxial cable used in the actual field deployment must have 45 to 90 VAC power
multiplexed with the RF signal on the coaxial cable since Connector B is used for both
electrical power and the RF signal.
NOTE:
The CMAP must be installed on a cable strand by a professional cable installer.
WARNING:
This equipment must be grounded. If the cable strand is not grounded, you
must ground this equipment by connecting a customer-supplied ground wire to the
grounding lug on the chassis, and then connecting the other end to a reliable earth ground
(refer to
on page 63). If you are uncertain that suitable grounding
is available, contact the appropriate electrical inspection authority or an electrician.
WARNING:
Short-circuit backup protection device has to be connected to this
equipment according to Local Electric Code or National Electrical Code.
1.
Slightly loosen the square nuts that fasten the two cable clamps to the strand interface,
enough for the strand support cable to fit into the cable clamps.
2.
Place the cable clamps on the strand support cable.
3.
Tighten the two square nuts to approximately 16 ft-lbs to secure the mounting.
4.
Connect the CATV connector from the cable lines to Connector B on the CMAP. Select
a CATV power passing tap that supplies a signal level between
-12 and +16 dBmV
at
its output (prefer 0 to 6 dBmV). Connect the CMAP's Connector B to the tap's output
using an RG6 quad shield cable.
shows a block diagram of the 7761-CM.
Summary of Contents for ZoneFlex 7761-CM
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