IBM TotalStorage 3494 Tape Library, Operator'S Manual

Page: 48 / 605

(whole wall) cells. A 3494 Dxx Frame configured as high-capacity I/O contains
from 50 (six 3590 drives) to 135 (two 3590 drives) cells. It uses all available cells in
the wall. Only a single wall can be configured at any time (single high-capacity
I/O facility).
Single-Cell Output Facility
If a convenience I/O station is not installed and a high-capacity output facility or
high-capacity I/O facility is not defined, a single cell in the door of the 3494 Lxx
Frame is provided for output. The location of the single cell
1
as shown in
Figure 21 is defined as 2 A 1. If the cartridge accessor has the optional Dual
Gripper feature, the single cell location is 2 A 3. Any empty and unassigned cell
can be used for input operations. See “Removing an Ejected Cartridge from the
Single-Cell Output Facility” on page 121 for operating instructions.
Convenience I/O Station Feature
If the 3494 Tape Library has a convenience I/O station feature, you can add or
remove up to ten cartridges without interrupting normal operations (you can add
or remove up to thirty cartridges if a high capacity convenience I/O station is
installed). See “Using the Convenience I/O Station to Insert Cartridges” on page
117 and “Removing Ejected Cartridges from the Convenience I/O Station” on page
122 for the operating instructions for this feature.
There are two modes of operation for the convenience I/O station while in Input
mode: Insert and Import . If one or more VTSs are capable of Export and Import
operations, then the convenience I/O station is in Import mode. If no VTSs are
capable of Export and Import operations, the convenience I/O station is in Insert
mode.
Figure 21. 3494 Lxx Frame Cartridge Storage Cells
22
3494 Tape Library Operator Guide