Nortel Meridian 1 Hardware Replacement Manual page 30

Page 30 of 250 Replacing equipment
Replacement procedures
553-3001-520 Standard 17.00 January 2002
Review "Circuit cards" on page 16.
1 To remove a card, hold the card by the faceplate and gently pull it out
of the slot.
2 To install a card, hold the card by the faceplate and gently push it into
the slot until firmly seated and bolted into place.
3 Gently push forward to seat the card and lock it in place.
4 Never force the card into the slot. If the card gets stuck, remove it and
try again.
CAUTION
Damage to Equipment
Cables are attached to the back of the MMDU.
Use "Procedure 1: Replace the NT4N43AA cPCI Multi-Media Disk Unit
(MMDU) leaving the card cage in place" on page 30, if you have an I/O panel
with an access panel and an interior cutout.
Use "Procedure 2: Replace the NT4N43AA cPCI Multi-Media Disk Unit
(MMDU) by removing the card cage" on page 32, if you have an I/O panel
with an access panel without an interior cutout or an I/O panel with solid
metal on the left side
Use "Procedure 3: Replace the NT4N43BA cPCI Multi-Media Disk Unit
(MMDU)" on page 36.
Procedure 1:
Replace the NT4N43AA cPCI Multi-Media Disk Unit (MMDU)
leaving the card cage in place
1 At the rear of the Call Processor PII (CP PII) module, remove the three
cables connected to the back of the MMDU (see Figure on last page):
a. On the bottom cable, the CD-ROM and Hard Drive Data Cable
(NT4N92AA), push up the tabs and disconnect the cable.
b. On the middle cable, the Floppy Data Cable (NT4N93AA), push
up tabs and disconnect the cable.