3.2.5 Installation of Basic System or 2-shelf System (Floor
Standing)
The PBX can be expanded to a 2-shelf system by mounting an Expansion Shelf on the Basic Shelf.
Construction of Basic System or 2-shelf System
Basic
System
Expansion Shelf 1
Basic Shelf
Metal Bracket
Metal Bracket
2-shelf
System
WARNING
Be careful not to drop any components. Dropping components may damage them or cause an
injury.
CAUTION
• Do not block the openings of the shelf. Allow space of at least 10 cm (4 in) at the sides of the shelf,
and 20 cm (8 in) above the top-mounted shelf.
• Make sure that the surface behind the shelf is flat and free of obstacles, so that the openings on the
back of the shelf will not be blocked.
• Make sure that the surface behind the shelf is not made of wood.
Note
• Make sure to remove the front cover from each shelf before installing the shelves (refer
to "3.2.3 Opening/Closing the Front Cover").
• Do not install any optional service cards or a PSU in the shelves before installation.
60 Installation Manual Document Version 2009-12
3.2.5 Installation of Basic System or 2-shelf System (Floor Standing)
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