Grass Valley Trinix NXT v.3.3.1 - Manual (Page 215)

Trinix NXT — Installation and Service Manual 215
Jupiter Control
nector) is looped out in order to connect the bus to the next item under
cross point control.
This bus may require intermediate buffering through a CB-3000 Control
Buffer depending on the size of the Routing switcher . A CB-3000 is
required in the following cases:
TRX-NXT-128x128 - eight or more frames
TRX-NXT-256x256 - four or more frames
TRX-NXT-512x512 - two or more frames
TRX-NXT-128 x 256 - four or more frames
TRX-NXT-256x512 - two or more frames
TRX-NXT-512x1024 - More than one frame.
The CB-3000 is described in detail in the Jupiter Installation and Oper-
ating manual.
In Trinix applications, the Crosspoint bus must be terminated at the
point farthest from the control processor using a Crosspoint Bus Termi-
nator.
The CC-2010 is a 10-conductor (plus ground) cable. Ready-made cables,
with installed 15-pin D male connectors, are available from Grass
Valley.
All rear-panel Crosspoint bus connectors are 15-pin D, female.
For specific wiring instructions concerning CC-2010 Crosspoint Bus
Cables, please refer to the installation diagrams supplied with your
Routing switcher.
For those who wish to prepare their own cables, pin-outs are shown
below in
Figure 125 . The cable itself should be Belden 9505 or equiva-
lent. Details concerning ferrite cores are given in Figure 126 .