Pir Power On/Off Procedure - NEC Univerge SV8500 Operation And Maintenance Manual

5.6.3

PIR Power ON/OFF Procedure

[Turn ON/OFF Procedure: AC-Powered Model of PIR]
Turn ON:
STEP 1: Connect an AC power code to AC inlet on AC-DC Power Unit. AC-DC Power
Unit is powered on here (OPE lamp lights and fans start turning).
STEP 2: Turn on the PWR switch (to right) on the front right of AC-DC Power Unit. AC-DC Power Unit starts
supplying the power to PIR here.
STEP 3: Flip the -48V SW switch up on the PWR/DPWR card in each PIR.
Turn OFF:
STEP 1: Flip the -48V SW switch down on the PWR/DPWR card in each PIR.
STEP 2: Turn off the PWR switch (to left) on the front right of AC-DC Power Unit.
STEP 3: Disconnect the AC power code.
[Turn ON/OFF Procedure: DC-Powered Model of PIR]
Turn ON:
STEP 1: Supply the power to BASEU. When the power cable connection between BASEU and PIR is com-
pleted, BASEU starts supplying the power to PIR here.
STEP 2: Flip -48V SW switch up on the PWR/DPWR card in each PIR.
Turn OFF:
STEP 1: Flip the -48V SW switch down on the PWR/DPWR card in each PIR.
STEP 2: Stop supplying the power to BASEU.
CHAPTER 5 Operation Procedure for System with PIR
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ATTENTION
Contents
Static Sensitive
Handling
Precautions Required