Grass Valley NV8500 Series v.3.5 - Manual (Page 120)

104
Expanded NV8576-Plus
Connecting the NV8576-Plus Frames
Expansion Output Backplanes
Expansion backplanes have 9 coax connectors, 9 LC connectors, or 9 WECO connections for local
outputs and 2 28-pin connectors for expansion signals. (Expansion signals connect inputs from
one frame to crosspoints in the other frame.)
Fig. 6-6: Expansion Backplanes
Connecting the NV8576-Plus Frames
Besides the normal I/O connections, you must interconnect the two NV8576-Plus frames. The
cabling for these interconnections includes the following:
• 28-pin “TDP” cables for video and audio signals.
These are 4 meter cables that connect “expansion” output cards of one frame to expansion
output cards of the other frame. See
Making Expansion Connections , following.
• Either RJ-45 or BNC cross-connect cables for communication between the frames.
An NV8576-Plus router with EM0666 control cards (i.e., standard router) the cross-connec-
tion uses RJ-45 cables with terminators.
An NV8576-Plus router with EM0833 control cards (i.e., hybrid router) the cross-connection
uses 75
W BNC cables without terminators.
See Making Router Control System Connections on page 106.
• Monitor feeds.
If the router uses monitor cards, monitor cards in the primary frame relay monitor informa-
tion from the secondary frame to external monitoring equipment. Coax (DIN 1.0/2.3) cabling
is required for the monitor connections. See
Making NV8576-Plus Monitor Connections on
page 107
Note that video and AES reference signals must be applied to each frame. (However, AES refer-
ence is optional.) See
Making Reference Connections on page 61.
For information about I/O signal connections. refer to Chapter 2, Inputs and Outputs on
page 21.
AES
Coax
Fiber