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8 Pelco Manual C543M-A (7/03)
2.2 PHYSICAL LAYOUT
The matrix bay consists of the following items:
• Matrix Bay Card Cage
•Video Output Card (the 17
th
card, consists of one card type; available in 4, 8,
12 or 16 outputs and front loading)
•Video Input Cards (up to 16 total; all identical and front loading)
• Rear Panel Input Cards (there are, at present, four types of Rear Panel Input
cards that can plug into any one of 16 rear loading Video Input Card positions)
• Rear Panel Output Card (at present, there exists only one type of Rear Panel
Output card)
• Power Supply (shipped as 120 or 230 VAC).
The following paragraphs illustrate and describe the function of each of the bulleted
items just mentioned.
2.2.1 Matrix Bay Card Cage
The matrix bay is pictured in Figure 1. The right side panel (power supply side), and
the top and bottom panels of all units are perforated with circular cut-outs to facili-
tate air circulation. Even though the matrix bay is a low power device and contains
no separate circulation fans, it is a good idea, if possible, to leave 1 RU (1.75")
between it and other installed bays. A fully loaded matrix bay, like all electrical
devices, does generate some heat.
The Cage of the matrix bay provides the skeleton into which all the bulleted items
listed in Section 2.2 fit. Figure 1 illustrates a matrix bay populated with one power
supply (the panel with the handle on it); the covered opening immediately below that
has a blank-off plate installed where a second power supply is installed if needed.
The card cage cutouts indicated in Figure 1 accept the tabbed appendages of the
panels that form the interior walls of the top and bottom power supply bays and
anchor them in place. If the installed power supply, the blank-off panel, the right side
panel and the large front-cover panel are removed from the unit in Figure 1, one can
see the layout of just the cage itself as show in Figure 2.
Figure 1. Front of Matrix Bay
POWER
SUPPLY
BLANK OFF
PLATE
FRONT COVER
PANEL
RIGHT SIDE
PANEL
TAB INSERTS PROVIDE
SUPPORT FOR SIDE, FLOOR
AND CEILING OF POWER SUPPLY BAYS