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4. Connect RF OUT cable to sub-rack.
5. Connect external ALARM interface to external summary alarm board in host radio base station.
6. Before installing the MAF800-100S MCPA into the sub-rack, inspect the 21-pin-D-sub combo
connector on the rear of each amplifier. Verify that all pins are straight, no pins are recessed, and
that the alignment shield is not bent.
Do not slam amplifiers into the sub-rack. Forcing the amplifier into the sub-rack at too fast a rate may
cause pins on the 21-pin-D-sub connector of the amplifier to become recessed or broken.
7. Continue installing MAF800-100S amplifiers into sub-rack.
Apply +27 Vdc power to sub-rack. Measure with VOM +27 Vdc ± 1.0 Vdc. If the input voltage is
8.
above or below the limits. Check DC power rectifier system.
9.
Verify cooling fans on sub-rack is operational.
10. Refer to Section 4 for initial turn-on and checkout procedure.
Section 6
Maintenance
6.1 Introduction
This section contains periodic maintenance and performance test procedures for Paradigm Wireless
Systems MAF800-100S Multi-Carrier Power Amplifier.
Check your sales order and equipment warranty before attempting to service or repair the unit. Do not
break the seals on equipment under warranty or the warranty will be voided. Do not return equipment for
warranty or repair service until proper shipping instructions are received from the factory.
6.2 Periodic Maintenance
Periodic maintenance is recommended. Table 6-1 lists the intervals at which the task should be performed.
Table 6-1 Periodic Maintenance
Task
Inspection
Cables and Connectors
WARNING
NOTE
Interval
3 months
Action
Inspect signal and power cables for frayed
insulation.
11
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