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ADCP-80-531 • Issue 4 • July 2004
All circuit breaker panel circuits are operational as soon as power is applied to the input
connectors. The alarm indicator should not light when power is applied.
Operation of the circuit breaker panel consists of resetting circuit breakers when they trip. If a circuit
breaker trips, the alarm LED indicator lights for the bus and the external and remote alarms are
activated (if present).
7 MAINTENANCE
Caution: This equipment employs electrical voltage and amperage levels which may be
considered an electrical hazard. Care should be exercised to assure that only qualified
personnel are allowed to install, operate, maintain, or otherwise come in contact with the
circuit breaker panel when it is energized. Only insulated tools should be used on energized
elements of the panel.
7.1
Inspection
Inspect the circuit breaker panel periodically (every six months is recommended) for damage to
the circuit breakers, damaged or broken wires on the power outputs and the external alarm
connections. Inspect for excessive dust and dirt that block the vents.
7.2
Cleaning
If excessive dirt is found during the inspection, brush or wipe dust and dirt from the circuit breaker
panel with a soft bristle brush or soft cloth. Care should be taken to not damage the circuit
breakers or any wiring.
7.3
Adjustments
No adjustments in the field are indicated or required. If a circuit is not operating properly,
contact ADC customer assistance (see
7.4
Power-On LED Replacement
The circuit breaker power-on indicator LEDs may be replaced as follows:
1. Pull the LED out slowly from the front of the circuit breaker panel.
2. Disconnect both tabs on the LED from the mating terminals (quick-connects or fastons) on
the wires.
3. On the replacement LED, connect the tin tab to the mating terminal on the red wire, and
connect the brass tab to the mating terminal on the black wire.
4. Push the LED back into the panel.
Page 28
© 2006, ADC Telecommunications, Inc.
Section 8, Customer Information and
Assistance).
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