Avaya 555-233-116 Installing the 1146 power distribution unit, Installing and wiring the battery

1145B power supply

Installing the 1146 power distribution unit

1.Insert and securely tighten the two supplied #8-32 x 1/2-in. shoulder screws (they have an unthreaded section at the top) into the top holes designated for 1146 Power Distribution Unit on the bottom plate. Mount the unit on these two shoulder screws, using the key holes on the back of the unit.

2.Secure the unit by inserting the #8-32 x 1 in. screw through the bottom of the unit (just above the wire clips) into the plate and tighten.

3.Set the battery back-up switch option to the 1-32 (down) position to provide battery back-up to all outputs.

4.Connect the power distribution unit to the power supply with the power cable. Refer to the power supply’s right-side label to locate the output power connection.

Installing and wiring the battery

Two types of backup batteries can be used:

Table 6. Back-Up Batteries

Battery

1148B

1149B

Rating

2.5amp-hours 5 amp-hours

To install the battery, proceed as follows.

1.Loosely insert two #10-32 x 1/2-in. shoulder screws in the battery-mounting holes at the top of the wall mounting plate.

2.Place the keyhole slots in the battery bracket on these two screws. Make sure the label on the battery is visible.

The battery cord exits from the right side of the bracket.

3.Tighten the screws securely.

4.Plug the battery cord into the right rear receptacle on the power supply. The right-side label indicates the rear receptacle.

555-233-116 Issue 4 October 2002 35