NEC Univerge sv8500 Manual page 2458

STEP 2: Mount the 1U-MPC onto a 19-inch rack.
washers
M5 screws
To add the optional brackets, fix screws (included in a 1U-MPC package) pushing into the holes.
Note 1:
2. How to Insert Additional Power Unit (Dual Power Unit, optional)
A 1U-MPC is equipped with a power unit on the right slot of its back plane before shipment. You can add an-
other power unit on the left slot, making the system a dual power configuration.
You can mount an additional power unit even while the existing power unit is operating.
Note:
Optional power unit mounting slot
for dual power configuration
19-inch rack (inch type)
Power unit (standard)
APP-3
APPENDIX A
PACT
Note 1