IBM Magstar 3494 manual Operator Panel, Power Controls and Status Indicators

Operator Panel

The 3494 operator panel is mounted on the front door of the control unit frame. Normal operation of the 3494 is controlled through the use of this operator panel.

Power Controls and Status Indicators

See Figure 22 on page 33 for the locations of the controls and indicators.

„1… Unit Emergency switch

The Unit Emergency switch turns off power to the 3494 immediately and should only be used in an emergency. The Unit Emergency switch must be in the on position for the 3494 to be powered on.

Note: If the 3494 Library has more than eight frames, or has the optional High Availability Model Service Bays, a second unit emergency switch is located at the right end of the Library. Either switch can be used to immediately turn off power.

Note: The 3494 Library Unit Emergency switches do not turn off power to the attached stand-alone Model B18 Virtual Tape Server.

„2… Unit Power switch

The Unit Power switch turns power on and off to the components inside the 3494. The Unit Power switch is used to power on and off the 3494 under normal conditions. Using the Unit Power switch to turn off power to the 3494 allows the library manager, Virtual Tape Servers, tape control units, and tape drives to shut down in an orderly manner.

„3… Rack Power Ready LED

The Rack Power Ready light-emitting diode (LED), when lit, indicates the

AC power is on in the 3494 control unit.

„4… System Power Ready LED

The System Power Ready LED, when lit, indicates the AC power is on to the control units and drive units inside the 3494.

„5… Power Off Pending LED

The Power Off Pending LED, when ¯ashing, indicates the power to the 3494 is being turned off.

„6… Local Remote power switch

The Local Remote power switch allows the library's power to be controlled by the switches on the operator panel (local) or through an AS/400 host (remote) if the Local Remote Power Feature is installed. The Local Remote switch must be in the local position if the remote power feature is not installed.

Attention: Pressing the Local Remote switch to the remote position, if the

Local Remote Power feature is not installed, causes the 3494 to power off.

Motion Controls and Status Indicators

See Figure 22 on page 33 for the locations of the controls and indicators.

„7… Auto mode switch and status LED

The Auto mode motion control switch allows the operator to place the library into Auto mode. The LED ¯ashes during the mode transition and

32Magstar 3494 Tape Library Operator Guide