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4U
Library
Cartridge
Magazines
The
4U
library
has
four
cartridge
magazines,
two
on
each
side
(see
Figure
1-30
on
page
1-26
and
Figure
1-31
on
page
1-27).
The
upper
left
magazine
has
twelve
storage
slots.
The
lower
left
magazine
has
nine
storage
slots
and
houses
the
3-slot
I/O
Station
(
1
in
Figure
1-30
on
page
1-26).
The
upper
right
magazine
has
twelve
storage
slots.
The
lower
right
magazine
has
twelve
storage
slots.
For
information
on
Element
Addressing,
refer
to
the
Setup,
Operator,
and
Service
Guide.
a77ug022
Figure
1-29.
2U
library
I/O
Station
in
the
left
magazine
Installation
1-25