Block Diagram
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LBLE100A_August 2015_ver 1
NO SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
REMEMBER TO CLOSE THE LID AFTER ADJUSTING
.
LID MUST BE IN PLACE FOR SAFETY AND PROTECTION.
CAUTION
Risk of Electric Shock
Do not Open Cover Plate
2
INSTALLATION AND SETUP GUIDELINES
RF Connector Installation
1.
All RF connectors including the power port connector are standard KS-type connectors.
2.
Using a 12 mm (½ inch) wrench, remove port covers from RF ports and power port on the housing base.
3.
The center conductor seizure screws (Phillips screw) are located through the module. Loosen, but do not remove the
seizure screw.
4.
Measure the stinger to verify that it is 1.0 inches (25 mm).
5.
Apply shrink tubing to weatherproof the finished connection. Slip a section of shrink tube
over the end of the cable now.
6.
Insert KS connector and cable to the housing base and tighten connector. KS connectors
should be tightened as per manufacturers specifications.
7.
Using a Philips screw driver tighten the seizure screw.
8.
Position the shrink tube over the connector and apply heat to shrink it in place.
Powering
1.
The LBLE100A can be powered with HFC power supply AC input between 40-90 VAC. Or by 220 VAC mains (optional).
2.
For HFC powering 40-90 VAC, the amplifier is powered either through the 60Vac port or any RF port. To direct power
towards output/input ports, please refer to the section “AC Power Director”.
CAUTION!
AC voltages in the range of 40-90 VAC present. Shut down external AC power before connecting or disconnecting power
cables to the amplifier.
AC Power Director
1.
AC HFC power can be sent out via output/input ports by turning the IN/AC and
OUT/AC jumper to ON position.
2.
Check the system maps to determine which ports should pass power. Turn the
IN/AC or OUT/AC jumper between OFF and ON as required.
For instance 1: To direct power between IN/AC port and OUT1/AC port, switch
both the jumpers IN/AC and OUT1/AC to ON position.
For instance 2: To direct power between 60Vac port and OUT1/AC port, switch
only the jumper OUT1/AC to ON position.
Forward and Reverse Path Set-Up
1.
Gain & Cable Slope Controls are reachable under the housing lid. Refer to layout scheme on the cover plate under the
housing lid for controls adjustment.
2.
This product is shipped with default 0 dB pads for all forward and reverse plug-in attenuators. Forward input stage equalizer
has a 0 dB pad by default. Forward inter-stage equalizers are 9 dB pads by default. And the reverse equalizer is a 0 dB pad
by default.
