NV8500 family Digital Routers • User’s Guide 55
2. Installation
Installing Cards
How to Install Active Cards in the NV8280 and NV8280-Plus
Insert cards into the frame by sliding them into card guides from the front of the router. Insert the
card in designated card guides:
Figure 2-5. NV8280 and NV8280-Plus Router Frame
1Insert input cards in slots with red card guides. The card’s red ejector lever is located at the bot-
tom.
2Insert output cards in slots with white card guides.The card’s white ejector lever is located at
the bottom.
3Insert control cards in slots with yellow card guides.The card’s yellow ejector lever is located
at the bottom.
4Insert crosspoint cards in slots with black card guides. The crosspoint card has two ejector
levers located at the top and bottom. When facing the front of the router frame, the crosspoint
card slots are numbered 1 through 10, from left to right.
Crosspoint cards must be installed in adjacent pairs. If you do not need a full complement of
crosspoint cards, you must still install crosspoint cards in adjacent pairs. (See Crosspoint Slots
and Signals Switched on page 13.) Install two crosspoint cards in each set of two adjacent slots,
as follows:
• Slots 1 and 2
• Slots 3 and 4
• Slots 7 and 8
Caution Do not drop, roughly handle, or stack circuit boards. If you cannot easily insert or
remove a board, stop and contact Miranda Technical Support.
Monitor
Cards (2)
Control
Cards (2)
Output
Cards (32)
Input
Cards (32)
Crosspoint Cards (8)
Redundant Crosspoint
Cardset (1) in center
slots
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