Lucent Technologies Release 6 manual Wire the 1146B Power Distribution Unit

DEFINITY Enterprise Communications Server Release 6	Issue 5
Installation and Test for Multi-Carrier Cabinets 555-230-112	May 1998

5Install and Wire Telephones and Other Equipment

1145B Power Supply Page 5-52

Wire the 1146B Power Distribution Unit

Wire endpoints to the 1146B while power from the 1145B is on. A red LED lights if its associated circuit is connected to shorted wiring or to a shorted terminal.

1.Install cross-connect jumpers to wire from the unit (the label shows polarity) to pins 7 and 8 of the appropriate information outlet. Route the wires through the clip provided on the unit. If a red LED is on, see ‘Reset‘ LEDs on Power Distribution Unit’’.

2.Mark lead destinations on the label next to each connector. Also mark the Unit Number and Connectivity information on the label.

Reset LEDs on Power Distribution Unit

A red LED next to any of the 32 power output connectors indicates a short circuit in the building wiring or the terminal equipment. To reset the LED:

1.Disconnect the terminal equipment from the wall jack.

2.If the LED goes off, the terminal equipment is faulty and must be replaced. If the 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 4 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.