IBM 7208 345, Руководство по обслуживанию

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Operator Controls
The 7208 Tape Drive has the following operator controls.
Power Switch
The power switch (
1
in Figure 1 on page 1) is a push button switch that enables
the power to be turned on or off. When the 7208 Tape Drive is on, the power-on
light
2
is on.
Note: The symbol beside the power switch is an International Organization for
Standardization (ISO) symbol for a push button switch.
Unload Button
The unload button
3
enables a tape cartridge to be ejected. The unload button
operates only when the 7208 Tape Drive power is on. To remove a tape cartridge,
press and hold the unload button for about one second.
Indicator Lights
The 7208 Model 345 Tape Drive has the following indicator lights.
Power-On Light
When the 7208 Tape Drive is turned on, the power-on light
2
comes on and stays
on.
Status Lights
Three status lights
4
and their ISO symbols appear on the 7208 Tape Drive as
follows:
The combinations of the lights and their definitions are shown in Table 1.
Table 1. Status Lights on the 7208 Tape Drive
Status Lights Status Status of 7208 Tape Drive
Fault On
The Power-On Self Test (POST) is running.
Ready
On
Activity On
Fault
Off or On
One of the following conditions exists:
v
The power is off (Fault light is off).
v
The POST has completed successfully, but
no tape cartridge has been inserted. If the
Fault light is on, cleaning is required. See
“Cleaning the Tape Drive” on page 8.
Ready
Off
Activity
Off
2
7208 Model 345 Service Guide