NEC SV8500, Operation And Maintenance Manual

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CHAPTER 5 Operation Procedure for System with PIR
YES: Proceed to STEP 3.
NO: Changeover the ACT/STBY of PLO. Proceed to STEP 2.
Note:
PLO ACT/STBY can be changed over by MB key operation. See “ Manual Changeover of PLO ” in Chap-
ter 2 for more details.
STEP 2 Make sure that the PLO card to be replaced is placed in STBY mode.
OPE lamp on the PLO card goes OFF.
STEP 3 Make sure that the mate PLO is placed in ACT mode.
OPE lamp on the PLO card lights green.
STEP 4 Extract the PLO card from TSWR.
STEP 5 Turn ON (upward) MB key on the new PLO card.
STEP 6 Insert the new PLO card to the slot of TSWR.
STEP 7 Turn OFF (downward) MB key on the new PLO card.
STEP 8 Change over the ACT/STBY of the PLO again.
• Turn ON (upward) MB key on the ACT PLO.
• OPE lamp goes OFF on the key-operated PLO.
• OPE lamp lights green on the other side PLO card.
STEP 9 Make sure the ACT/STBY status of PLO that is shown by CMOD exactly reflects the actual
ACT/STBY status that is indicated by OPE lamps.
STEP 10 Repeat the previous two steps.
STEP 11 Set PLO #0 in ACT mode. (Usually, PLO #0 should be placed in ACT mode.)
[End].