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Note: If the Local/Remote switch is in the Local position, the Unit Power switch
can power off the 3494.
3. Observe the Power Off Pending LED on the operator panel. The LED flashes
until the 3494 is powered off.
The system can take up to 20 minutes in a library with a VTS to shutdown.
When the shutdown completes, the 3494 (including the Model B18, if installed)
is powered off.
Note: The library may be powered off immediately, in an emergency, by using the
Unit Emergency switch on either the operator panel or at the right end of the
Library. The second switch, at the right end, is provided if the library has
more than eight frames or the high availability model is installed.
Attention: Using the Unit Emergency switch for immediate power off can cause
database problems or check disk (CHKDSK) problems with the library manager or
VTS controller. The 3494 Model B18 Virtual Tape Server will not be powered off by
the 3494 Unit Emergency switch, but the associated tape drives will have power
removed.
Changing to Pause Mode
1. Press the Pause button on the operator panel.
2. Observe the Pause LED on the operator panel. The LED flashes until the library
is in Pause mode. When the library is in Pause mode, the Pause LED stays lit.
Note: The Auto LED stays lit until the library enters Pause mode.
Changing to Auto Mode
1. Press the Auto button on the operator panel.
2. Observe the Auto mode LED on the operator panel. The LED flashes until the
library is in Auto mode. When the library is in Auto mode, the Auto LED stays lit.
Note: The Pause LED stays lit until the library enters Auto mode.
Changing from Local to Remote Power
If the remote power feature is installed, change to remote power by pressing the
Local Remote power switch to the Remote position.
If the remote power feature is not installed, the Local Remote power switch must be
in the Local position.
Attention: Pressing the Local Remote Power switch to the Remote position powers
off the 3494 if the remote power feature is not installed.
Changing from Remote to Local Power
If the remote power feature is installed, change to local power by pressing the Local
Remote power switch to the Local position.
Attention: Pressing the Local Remote Power switch to the Local position powers
off the 3494 if the Unit Power switch is in the Off position.
76 Magstar 3494 Tape Library Operator Guide