Lucent Technologies Release 6 Mount the 1146B Power Distribution Unit, Battery Mounting/Wiring

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 5-48

Mount the 1146B Power Distribution Unit

1.Insert and securely tighten the 2 supplied #8-32 x 1/2-inch shoulder screws into the top holes designated for 1146B Power Distribution Unit on the bottom plate. Mount the unit on these 2 shoulder screws, using the key holes on the back of the unit.

2.Secure the unit by inserting the #8-32 x 1 inch 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-hand label to locate the output power connection.

Battery Mounting/Wiring

Three types of back-up batteries are used; the 1148B, the 1149B, and the 1147B. Table 5-15 provides the rating and PEC code of each battery.

Table 5-15. Back-Up Battery PEC Codes

Battery	Rating	PEC Code
1148B	2.5 Amp Hour (AH)	24700
1149B	5 Amp Hour (AH)	24701
1147B	8 Amp Hour (AH)	24703

1.Loosely thread two #10-32 x 1/2-inch shoulder screws into the top designated battery holes on the wall mounting plate.

2.Place the keyhole slots in the battery bracket on these 2 screws. The battery cord exits from the right of the bracket. Make sure the label on the battery is visible. Tighten the screws securely.

3.Plug the battery cord into the power supply’s right rear receptacle. The rear receptacle is indicated on the right label.