Procedure 15 installing the ac power supply – Nortel Networks 1000M User Manual

Page 140

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140

Installing the power supplies for the Cabinet system

— Voltage: Recommended 100 to 240 V

Maximum limits 90 and 250 V
Single phase

— Frequency: 50 or 60 Hz

— Power (I/P Max): 750VA

Refer to the commercial power requirements in the chapters on system and
site requirements in Communication Server 1000M and Meridian 1 Small
System Planning and Engineering (NN43011-220)
for detailed information
about power requirements.

WARNING

Wait at least five minutes after power to the unit is switched off
before removing the unit from the cabinet. Make sure that the
power cord and battery backup connection (if equipped) are both
disconnected.

CAUTION

Service Interruption

The NTDK70 AC power supply cannot power up on battery alone.
If the NTDK70 is powered down while operating on DC reserve
power, then AC power is required to power up.

Procedure 14

Installing the AC power supply

Step

Action

1

Set the AC breaker on the front of the power supply to the OFF
position.

2

Make sure that the switches on the power supply are properly set.
See

Figure 60 "NTDK70 and NTDK72 power supply switch settings"

(page 139)

.

3

Insert the power supply into the first slot on the left of the card shelf
(refer to

Figure 59 "Power supply location, main and expansion

cabinets" (page 138)

).

4

Lock it into place with the card tabs.

5

Attach the power line cord to the connector on the left side of the
power supply (see

Figure 61 "AC power cable connection" (page

141)

) by feeding the cord up through the card guides.

Nortel Communication Server 1000

Communication Server 1000M and Meridian 1 Small System Installation and Commissioning

NN43011-310

01.04

Standard

Release 5.0

13 May 2008

Copyright © 2008, Nortel Networks

.

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