NVision NV8288, Руководство пользователя

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8 Rev 1.3 • 21 Oct 08
2. Introduction
Module Slots and Rear Connectors
for input cards and output cards. In the upper bay are two additional slots for two control cards. In
the lower bay are two additional slots for one monitor cardset (composed of two monitor cards).
Slots contain color-coded card guides that match the color of the ejector lever on the card that is
installed in that slot. For more information, see
Active Cards on page 15.
Located in the center of the router are two horizontal slots housing two crosspoint cards. At the top
and bottom of the router frame are two removable fan trays.
Each input card slot and output card slot, and the card it holds, manages signals received or distrib-
uted through 12 connectors. Each signal is assigned a number that corresponds to the physical input
or output connection. This means that Output Slot 1 corresponds to outputs 1-12, Output Slot 2 cor-
responds to outputs 13-24, and so on, up to 576. Similarly, Input Slot 1 corresponds to inputs 1-12,
Input Slot 2 corresponds to inputs 13-24, and so on, up to 288.
Figure 2-4. NV8288 Router with Door Removed (Front View)
For information on installing cards in module slots, see Installing Active Cards on page 33.
Figure 2-5 shows the rear of the NV8288. The rear contains non-interchangeable backplanes con-
taining 864 I/O DIN 1.0/2.3 connections: 288 for receiving signals and 576 for distributing signals.
Note that the outputs and inputs are numbered from right to left because the router is being viewed
from the rear.
An additional set of four DIN 1.0/2.3 connections, located in the lower, right quadrant, monitor sig-
nals. In the center region are connections for system and power functions, as shown in Figure 2-8
on page 12.
Output Cards (12)
Outputs 1–144
Input Cards (12)
Inputs 1–144
Output Cards (12)
Outputs 145–288
Control Cards (2)
Monitor
Module (1)
Output Cards (12)
Outputs 289–432
Input Cards (12)
Inputs 145–288
Output Cards (12)
Outputs 433–576
Fan Tray
Fan Tray
Crosspoint Cards (2):
Top Card (1–288)
Bottom Card (289–576)