5
AP Series
Instruction Manual
Installation and Operation
Note to CATV SYSTEM Installer
This reminder is provided to call the CATV System Installer's at ten tion to Article 820-40 of the NEC that provides guide-
lines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system
of the building, as close to the point of cable entry as practical.
Unpacking and Handling
Each unit is shipped with all equip ment assembled, wired, factory tested, and then packaged in an appropriate
shipping container. Ensure that all accessories are removed from the container and packing material before they
are discarded.
Mechanical Inspection
Inspect the front and rear of the equipment for shipping damage. Make sure the equipment is clean, and no wires,
cables, or connectors are broken, damaged or loose.
Damage in Shipment
Should damage be discovered after unpacking the system, immediately file a claim with the carrier. A full report of the
damage shall be made and a copy forwarded to BLONDER TONGUE Laboratories, Inc. The company will then advise
what disposition is to be made of the equipment.
Precautions
Adherence to the initial installation precautions outlined in the Table below will help prevent problems arising during
the installation and future maintenance of the unit.
Installation Precautions Table
Returning Product for Repair (or Credit)
A Return Material Authorization (RMA) Number is required on all products returned to Blonder Tongue, regardless if
the product is being returned for repair or credit.
Before returning product, please contact the Blonder Tongue Service
Department at 1-800-523-6049, Ext. 4256 or visit our website: www.blondertongue.com for further information.
PRECAUTIONS
REQUIREMENTS
Avoid Heat Buildup
Allow (1) EIA rack space (1
3/4
") between powered headend products in
the equipment racks.
Ensure easy access to rack wiring.
Allow a minimum of 18 inches behind the equipment rack(s)
Facilitate servicing and maintenance.
Allow a minimum of 36” of clearance in front of the equipment rack(s).
Avoid direct heating or air conditioning.
If unavoidable, use deflector plates.
AC power source outlets.
Locate equipment near sufficient outlets to provide power for test
equipment and power tools.
Rack Support.
Make certain rack supports are sufficiently rigid to support racks.
Building leakage.
Beware of dripping water onto equipment from leaky roofs, waveguide roof entries, and
cold water pipe condensations.
Unit Mounting
Mount the unit securely in a standard 19 inch EIA rack, ensuring access to rear connections and front controls. Make
sure adequate ventilation exists in the vicinity of the unit.
Preparation for Use
Plug in the 3-prong connector of the AC power cord into a suitable 117 V 60 Hz AC outlet of adequate current
carrying capacity. Use appropriate cables (75 Ohm coaxial) to connect the RF Signal source to the RF Input of the unit
and the RF output of the unit to the system input. Make sure that the IF coaxial jumper cable is in place,
connecting the IF input and the IF output.