Components At The Back Of The Unit - Sun Microsystems StorEdge A1000 Operation And Service Manual

Flashes green when the drive in the slot is active
Lights amber when the drive has been marked as failed by the A1000 controller

Components at the Back of the Unit

At the rear of the A1000 system are two power supplies, two cooling canisters
with two blowers each, a battery, two 68-pin connectors for the host SCSI bus, a
SCSI ID switch and a locking power switch.
Power Switch
The Sun StorEdge A1000 system has one rocker power switch to control both power
supplies ( ).
FIGURE 2-3
Right — Momentary ON position |, either or both power supplies provide power
to the system
Center — Neutral position, when the switch is released from the ON position, the
switch settles into the Neutral position and the power supplies remain on.
Left — Standby Position, neither power supply provides power.
Caution – Turning the power switch to the Standby position does not completely
cut off power to the system. AC input to each power supply is still connected to the
electrical outlet until the power cord is unplugged.
Standby
Neutral
Power Switch
FIGURE 2-2
SCSI ID Switch
The A1000 configuration has one SCSI ID switch for selecting the controller SCSI
target address, from 0 to 15.
Momentary On
Chapter 2 Product Overview 9