Ross NK-3G144, User Manual, Page: 18 / 64

18 • Hardware Overview NK-3G144 User Guide (v04)
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The cards may be installed in any of the 18 slots on the left-hand side of the frame (see Figure 3.3 ). They do not
have to be installed sequentially.
For More Information on...
• installing cards see “ Inserting a Card into the NK-3G144 ” on page 29.
Rear Panel
The rear panel and frame provides a support structure for mounting an input or output BNC rear connector strip.
There are ventilation grills in the rear panel that allow the hot air to escape from the routing switcher.
Each input and output card in the frame must have an input or output BNC rear connector strip connected to the
corresponding position in the rear panel. One of these BNC rear connector strips supports two cards.
For More Information on...
• attaching a BNC rear connector strip, refer to “ Attaching a BNC Rear Connector Strip to the Rear Panel of
the NK-3G144 ” on page 28.
Table 3.1 NK-3G144 Models and Accessories
Model number Comment
NK-3G144(64) 3G/HD/SD digital video routing switcher, 64 inputs, 64 outputs, expandable in groups
of 8 per input card (NK-I3G) and output card (NK-O3G), up to 144×144.
4 duplicate output slots are provided for monitoring critical output signals, or as
general-purpose duplicate outputs.
NK-3G144(96) 3G/HD/SD digital video routing switcher, 96 inputs, 96 outputs, expandable in groups
of 8 per input card (NK-I3G) and output card (NK-O3G), up to 144×144.
4 duplicate output slots are provided for monitoring critical output signals, or as
general-purpose duplicate outputs.
NK-3G144(128) 3G/HD/SD digital video routing switcher, 128 inputs, 128 outputs, expandable in
groups of 8 per input card (NK-I3G) and output card (NK-O3G), up to 144×144.
4 duplicate output slots are provided for monitoring critical output signals, or as
general-purpose duplicate outputs.
NK-3G144 3G/HD/SD digital video routing switcher, 144 inputs, 144 outputs, in groups of 8 per
input card (NK-I3G) and output card (NK-O3G).
Minimum of one NK-I3G and one NK-O3G card.
Four duplicate output slots are provided for monitoring critical output signals, or as
general-purpose duplicate outputs.
See
Figure 3.4 .
NK-3G-FRM Digital video routing switcher frame
NK-I3G 3G input card, 8 inputs per card
NK-O3G 3G output card, 8 outputs per card
NK-I3G-RC 3G input BNC rear connector strip
NK-O3G-RC 3G output BNC rear connector strip
NK-C3G Control card
NK-144X3G Matrix card
NK-P3G Power supply unit