Positioning the Tape Library in the Rack
The tape library can be mounted immediately above or below other equipment in the instrument rack,
as long as adequate clearance is maintained tor opening the front door and accessing the back of the tape library.
Below figure 50 shows the vertical dimensions for the tape library and the horizontal dimensions for
the spacing between the front brackets (the figure depicts an EIA rack; however,
the dimensions are the same for a PCCO rack).
For the 7337 Tape Library Model 306, use one of the bar nuts included in the installation kit to determine the position of the tape library in the rack.
The bar nut has three holes drilled and tapped to accept 10-32 screws.
The hole pattern in the bar nuts corresponds to the hole pattern in an instrument rack.
Below figure 51 shows the bar nut dimensions on the frame of the instrument rack.
Note that the end holes in the bar nut are not equally spaced from the center hole.
The bar nut can be installed in the position that best matches the holes in the frame.
Match the holes in one bar nut to the holes in the instrument rack.
Measure from the center of the middle hole to determine where the top and bottom of the tape library will be in the rack.
From the center of the middle hole to the top of the tape library is approximately 7-1/4 in. (18.5 cm); to the bottom is approximately 1-5/16 in. (3.4 cm).
The PCCO rack, in which the 3447 Tape Library Model 106 is mounted, uses caged nuts that are inserted into square holes in the rack vertical rails.
Positioning the 3447 Tape Library Model 106 in the PCCO rack is similar to positioning the
7337 Tape Library Model 306; from the center of the middle hole to the top of the
tape library is approximately 7-1/4 in. (18.5 cm); to the bottom is approximately 1-5/16 in. (3.4cm).
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