3.
Turn OFF power to the cabinet at the switch on the front of the PSU.
☞
The PSU switch is a circuit breaker rocker switch. The switch is in the
OFF position when the side of the rocker marked "0" is pressed in. The
rocker is in the ON position when the side of the rocker marked "1" is
pressed in.
◆
WARNING
◆
To avoid risk of electric shock, wait two minutes after powering
down the system to remove the PSU.
4.
Using flat-blade screw driver, unscrew the two captive screws on the front
of the PSU.
5.
Gripping PSU handle, pull PSU firmly to unseat the rear mounted
connectors. Continue to pull out PSU, being ready to support bottom of PSU
with free hand when it clears the cabinet.
Installing
To install the PSU, perform the steps in the following order.
Power Supply
1.
Put on antistatic wrist strap. Connect it to an unpainted portion of the
cabinet.
2.
Verify that the power supply switch is in the OFF position.
☞
The PSU switch is a circuit breaker rocker switch. The switch is in the
OFF position when the side of the rocker marked "0" is pressed in. The
rocker is in the ON position when the side of the rocker marked "1" is
pressed in.
◆
WARNING
◆
Installing the PSU with the PSU circuit breaker in the ON position
and the power cord attached to primary power may damage the
PSU or the system.
3.
Pick up the PSU with one hand on the handle and one hand under the PSU,
supporting its weight. Support the power supply by holding the sheetmetal
slider. Do not touch any power supply electrical components or wiring.
4.
Line up the edges of the PSU sheet metal with the card guides marked
"A15" and slide the PSU halfway into the cabinet. Remove the supporting
hand from bottom of sheetmetal plate.
5.
Once again, confirm that the circuit breaker is in the OFF position.
6.
Gently but firmly continue to slide the PSU into the cabinet by pushing on
the power supply handle until the connectors on the back of the assembly
have mated with the connectors on the Motherboard. This is accomplished
when the flange on the front of PSU sheetmetal reaches or very nearly
reaches the cabinet sheetmetal.
Toshiba VP Systems Release 7.1
July, 1994
5-100
Installation and Maintenance Manual
Summary of Contents for VP 300
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