System Construction - Panasonic KX-TD500 Installation Manual

1.2

System Construction

1.2.1 Basic System
Basic Shelf
Construction of Basic Shelf
1-4 System Outline
Basic System consists of one Shelf called Basic Shelf and it can be
equipped with up to 192 lines (including Extensions and CO lines).
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A Basic Shelf is always required. It contains its own power supply
and 14 mounting spaces called "Slots". The CPU card and the
TSW card are installed at factory in Basic Slot 1 and Basic Slot 2
respectively. The remaining 12 slots provide mounting space for
various cards that can be used. Any optional service card can be
mounted in any one of these 12 slots. So these slots are called
"Free Slot".
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Basic System
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