Procedure For Unplugging/Plugging Circuit Cards; Connecting Consoles' Cables - NEC NEAX 7400 ICS Installation Manual

1.4 Procedure for Unplugging/Plugging Circuit Cards

When removing a circuit card from the PIM, or when mounting a circuit card in the PIM, follow the procedure
given in Table 3-1 below.
Table 3-1 Procedure for Unplugging/Plugging Circuit Cards
CIRCUIT CARD
• PN-CP00 (MP)
• PZ-PW86/PW86(A)
(PWR)
• PN-BS00 (BS00)
• PN-BS01 (BS01)
• PN-CP01 (FP)
• PN-AP00 (AP00)
• PN-ME00 (EXTMEM)
• PN-BRTA (BRT)
• PN-CS00 (ATI)
• PN-30DTC (DTI)
• PN-SC00 (CCH)
• PN-SC01 (DCH)

1.5 Connecting Consoles' Cables

If possible, the ATI card (PN-CS00) should be unplugged when connecting/disconnecting the SN694 ATTCON
to/from the system. This is because there is some possibility that the console may be damaged.
Ensure that the Make Busy switch of the ATI card is on (Up) during removal/insertion.
PROCEDURE
PLUG IN
Power off
↓
Plug in
↓
Power on
Power off or Power off or
MB switch on MB switch on
↓
Plug in
↓
Power on or
MB switch off
AD-25182501
UNPLUG
Power off These circuit cards must be plugged in
↓
or unplugged only with power off, to
Unplug prevent damage to the card or other
↓
system circuitry.
Power on
These circuit cards must be plugged in
or unplugged
↓
condition (or power off) to prevent
Unplug damage to the card or other system
↓
circuitry.
Power on
CONDITION
under Make Busy
CHAPTER 3
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