Install the 1145B1 Power Supply

Reset Light Emitting Diodes (LED) on Power

Distribution Unit

A lit red light emitting diode (LED) next to any of the 32 power output connectors on the Power Distribution Unit indicates a short circuit in the building wiring or the terminal equipment. To reset the light emitting diode (LED), perform the following:

1.Disconnect the terminal equipment from the wall jack.

2.If the light emitting diode (LED) goes off, the terminal equipment is faulty and must be replaced. If the light emitting diode (LED) is still lit, find and repair the short circuit in the building wiring.

3.Reconnect the terminal equipment to the wall jack and re-test terminal equipment operation.

!WARNING:

Important Safety Instructions follow.

When operating this equipment, basic safety precautions must be followed to reduce the risk of fire, electric shock and personal injury, including the following:

Read and understand all instructions.

Do not attach the power supply cord to building surfaces.

For continued back-up protection and battery reliability, replace batteries every four years.

Follow all warnings and instructions marked on the products.

Clean products only with a dry rag.

Do not use this product near water.

For mounting security, follow all installation instructions when mounting product.

Openings on top and bottom of power unit are provided for ventilation. Do not block or cover these openings. Do not exceed recommended environmental temperatures.

Operate these products only from the type of power source indicated on the product labels.

The power unit is equipped with a three wire grounding type plug; a plug having a third (grounding) pin. This plug will only fit into a grounding type power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact an electrician to replace the outlet. Do not defeat the safety purpose of the grounding type plug.

Do not allow anything to rest on or spill into the products.

To reduce risk of fire and electrical shock, do not overload power outlets.

Issue 1 September 1995 9-33

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AT&T 555-230-894 manual Reset Light Emitting Diodes LED on Power Distribution Unit, Important Safety Instructions follow