CHAPTER 2 INSTALLATION
– 71 – NWA-008841-001 Rev.5.0
90ch2001.fm
Turning Power OFF
(1) Before turning power off, inspect all line/trunk cards’ busy lamps to verify that no cards are
operating.
(2) Turn the SW1 switches of all the PZ-PW121/PZ-PW126 or PZ-PW135 cards to OFF. First, turn OFF
PIM0. Then, turn OFF PIM1 to PIM7.
System Data Backup
CAUTION
• If you operate the following without system data backup after system data setting or service
memory setting (registration of the features such as “Call Forwarding” and “Speed Calling
[Speed Dialing]” from a station), the data has been set is invalid.
You must execute the system data backup before the following operations.
-Turning Off the system
-System Initial (reset of MP card)
-Changing the MP card to Off-Line Mode
-Changing the MP card to On-Line Mode after system data setting under Off-Line Mode
• You can execute the system data backup by the following two ways.
-Executing the system data backup once a day at the time set by CM43 Y=5>00
(If no data is set, the default setting is 3:00 a.m.)
-Executing the system data backup from MAT/CAT by CMEC Y=6>0:0
• Do not reset the MP card, while “SYSD” lamp on the MP card is flashing.
PRECAUTIONS
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