NEC NEAX 2000 IPS Maintenance Manual page 130

Procedure for Unplugging/Plugging Circuit Cards
CIRCUIT CARD
• PZ-M542 (CONN)
• PZ-M557 (CONN)
• PN-RTA (RTA)
• PZ-VM00/
PZ-VM00-M/
PZ-VM10-M (VM00)
• PZ-VM01 (VM01)
• PZ-VM03-M (VM03)
NOTE: It is allowed to plugging/unplugging PN-RTA (RTA) card, after flip the PWRSW switch to UP
position (Operating power is off).
PROCEDURE
PLUG
(1) Power off
or MB
NOTE switch on
(2) Plug in
(3) Power on
or MB
switch off
CHAPTER 2 TROUBLESHOOTING
UNPLUG
(1) Power off These circuit cards must be
or MB plugged in or unplugged under
switch on Make Busy condition or power off
to prevent damage to the card or
(2) Unplug other system circuitry.
(3) Power on
– 120 –
PRECAUTIONS
CONDITION
NWA-008847-001 Rev.3.0
a6ch2001.fm
JULY/01/2006