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6500 Disk Array User’s Guide 21020690 B
Chapter 1 Description
Rear Panel Switches and Connectors Page 1 - 9
Rear Panel
Switches and
Connectors
This figure illustrates the rear panel components described below.
Figure 5 Rear Panel—6500 Disk Array
SCSI
Connectors
Two identical 68-pin SCSI-P connectors on the array's controller board enable
connection to a SCSI bus from the host.
Activity LED
A controller board activity LED (located next to the right-most SCSI-P
connector) lights when power is applied to the array during the first part of the
Built-In Self Test (BIST) until the microprocessor extinguishes it. This LED
also flashes on a BIST failure. After completion of BIST, it lights whenever
the controller board is busy with a SCSI command.
Power ON/
OFF Switch
The array’s power ON/OFF switch is located on the rear panel next to the power
supply.
Power Cord
Connectors
On the power supply, a male connector attaches to the power source.
Caution Do not use female power connector.
Power Voltage
Selection
Switch
A switch located between the two power cord connectors on the power supply
is used to select 115 or 230 VAC operation for the array.