Jupiter Control
Planning and Installation Manual 149
1. Install the CC-2010 Matrix (crosspoint bus) cable.
Interconnection from a Jupiter VM-3000 or CM-4000 control board
is via crosspoint bus cable, which can be supplied in 3, 10, 25, or 50
foot lengths. The crosspoint bus (“XPT BUS”) connector (15-pin D-
connector) is looped out in order to connect the bus to the next item
under crosspoint control.
Depending on the size of the switcher this bus may require interme-
diate buffering through a CB-3000 Control Buffer. A CB-3000 is
required in the following cases:
DV-33128 - eight or more chassis
DV-33256 - four or more chassis
DV-33512 - two or more chassis
The CB-3000 is described in detail in the Jupiter Installation and
Operating manual.
In Trinix applications, the crosspoint bus must be terminated at the
point farthest from the control processor using a Crosspoint Bus
Terminator, part number 01-053050-001.
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; see page 88.
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
switcher.
For those who wish to prepare their own cables, pin-outs are shown
in Figure 81 on page 150. The cable itself should be Belden 9505 or
equivalent. Details concerning ferrite cores are given in Figure 82.
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