NEC NEAX 2000 IVS2 Maintenance Manual page 67

Table 2-1 Procedure for Unplugging/Plugging Circuit Car ds(Continued)
CIRCUIT CARD
• PN-24PRTA (PRT)
• PN-30PRTA (PRT)
• PN-PW00 (EXTPWR)
• PN-4RSTB (MFR)
• PN-4RSTC (CIR)
• PN-SC00 (CCH)
• PN-SC01 (DCH)
• PN-SC03 (ICH)
• PN-SC03-A/
PN-SC03-B (CSH/ICH)
• PZ-M542 (CONN)
• PZ-M557 (CONN)
• PZ-VM00/
PZ-VM00-M (VM00)
• PZ-VM01 (VM01)
2
NEAX2000 IVS Maintenance Manual
ND-70926 (E), Issue 3.0
PROCEDURE
PLUG UNPLUG
(1) Power OFF (1)
or MB
Switch ON
(2) Plug in (2)
(3) Power ON (3)
or MB
Switch OFF
CHAPTER 2 TROUBLESHOOTING
Power OFF These circuit cards must be plugged
or MB in or unplugged under Make Busy
Switch ON condition or Power OFF to prevent
damage to the card or other system
Unplug circuitry.
Power ON
Precautions
CONDITION
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