IBM 7012 300 Series Installation And Service Manual page 88

Removal
1. Set the power switches of all attached devices to Off.
2. Set the power switch of the system unit to Off and unplug the external cable.
3. Unplug the external power cables to the attached devices.
4. If the system unit has a rear cover, do the rear cover removal procedure on page 3-3.
5. Disconnect the device signal cable from the adapter.
6. If the device has one or more toroids, refer to "Toroids" on page 3-57.
Models 320, 32E, 32H (Later System Units):
External
Diskette
(Optional)
Power
Plate (not on all models)
Models 340, 34H,350, 355, 360/36T, 365, 370/37T, 375:
Ethernet
Power
Models 380, 390, 39H, and 397
Ethernet
Power
Replacement
Replace in the reverse order.
Parallel Port
Serial 2
Serial 1
S 1 S2
Serial 1 Serial 2 SCSI Port
1 2 3 4
Adapter Positions
1 2 3 4
SCSI Port
Adapter Positions
1 2 3 4
Adapter Positions
Removal and Replacement Procedures
Tablet
Keyboard
Mouse
Serial 1 Serial 2
Tablet
Keyboard
Mouse
Parallel Port
Tablet
Keyboard
P
Mouse
Parallel Port
3-29