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2.2 Control Panel Switches, Indicators, and Data Display
PICTURE 37
1
Unit Attention light
When on, the Unit Attention light indicates conditions that need manual
intervention.
2
Disk Activity light
When on, the Disk Activity light indicates that the 3514 is performing a
data read or write requested by the host system.
3
Power switch
The Power switch controls direct current (dc) power in the 3514.
4
Power Good light
When on, the Power Good light indicates that the dc power is active in the
3514.
5
Data display area
The Data display can display 8 characters of status information concerning
the 3514.
The information includes power sequence codes, unit reference
codes (URCs), operational status, and service functions.
6
Keypad
The keypad is used to enter the function code of the specific control
panel function.
Use the keypad as follows:
Start a function by entering the function code on the keypad.
After you have entered a specific function on the keypad, the display
may direct you to press the Enter key PICTURE 38
When a function is complete, related information is displayed in the
Data display area.
Press the * (Home) key to return the 3514 to a home condition or
display.
The display must be in a home condition before any other
function can be started.
3514 Service Information
Control Panel Switches, Indicators, and Data Display
¦ Copyright IBM Corp. 1992, 1993
2.2 - 1
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