Procedure For Unplugging/Plugging Circuit Cards - NEC NEAX 2000 IPS Maintenance Manual

Procedure for Unplugging/Plugging Circuit Cards

• Turn ON the MB switch on the IP-PAD/IPT card before the following operations:
-Resetting the MP (MP built-in FP)/FP card controlling the IP-PAD/4VCT cards
-Inserting or extracting the 16VCT/4VCT cards during on-line
-Plugging or unplugging the BUS cable (IPT TRK BUS CA) between the IP-PAD and
16VCT/IPT and 4VCT cards
After the above operations, turn OFF the MB switch.
• Be sure to firmly insert all of the 16VCT/4VCT cards into slots, which are connected to the
IP-PAD/IPT card by the BUS cable. Otherwise, the IP-PAD/IPT card connected to the
16VCT/4VCT card will not operate normally.
When removing a circuit card from the PIM or when mounting a circuit card in the PIM, follow the pro-
cedure given below.
Procedure for Unplugging/Plugging Circuit Cards
CIRCUIT CARD
• PN-CP24-A/
PN-CP24-B/
PN-CP24-C/
PN-CP24-D (MP)
• PZ-M537 (EXPMEM)
• PZ-M606-A (ETHER)
• PZ-M623 (ETHER)
• PZ-M649 (DTI)
• PZ-M650 (DTI)
• PZ-PW121 (AC/DC PWR)
• PZ-PW126 (AC/DC PWR)
• PZ-PW122 (DC/DC PWR)
CAUTION
PROCEDURE
PLUG UNPLUG
(1) Power off (1) Power off
(2) Plug in (2) Unplug
(3) Power on (3) Power on
– 118 –
CHAPTER 2 TROUBLESHOOTING
CONDITION
These circuit cards must be
plugged in or unplugged only with
power off to prevent damage to the
card or other system circuitry.
Continued on next page
NWA-008847-001 Rev.3.0
PRECAUTIONS
a6ch2001.fm
JULY/01/2006