Page 302 of 456 Powering up the system and initial loading

Preparing to power up – AC

Follow Procedure 48 to prepare to power up a Large System.

CAUTION

Verify that the safety grounds are properly connected.

Procedure 48

Preparing to power up – AC

1Set the AC service panel circuit breakers OFF.

2Set the main circuit breakers in the rear of each pedestal OFF.

3Set the power supply or MPDU switches in each module OFF.

4Set the ringing generators in each IPE or PE module OFF.

5Set the blower unit switch in the front of each pedestal OFF.

6Set all faceplate switches to ENB.

End of Procedure

Connecting the AC power source

To connect a Large System to the AC power source, follow one of the two options below.

Procedure 49

Option 1: Using the installed power plug (recommended)

Each column can be directly connected to the AC power source.

1Connect the power plug from each column to the AC power respectable.

2Proceed to “Turning AC power ON” on page 303.

End of Procedure

NN43021-310 Standard 02.01 December 2007

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Nortel Networks 1000M warranty Connecting the AC power source, Procedure Preparing to power up AC