Series 7000 Installation Manual - Grass Valley

Section 3 — Frame Interconnect Cabling
Audio 128x128 with Controller Frame
Refer to Figure 3-2. This system configuration combines two 6 RU 128x64
systems to produce the 128x128 Audio matrix. Note that active control for
the Audio System is in the top frame-section where the Node Controller
module(s) must reside.
Figure 3-2. 128x128 Audio System with Controller Frame
Node Bus
(75 ohm coax)
Node Control
Reference
(75 ohm coax)
External Clock
NB
CP Bus
MR1 MR2
MCPU/
Controller
Frame
(75 ohm coax)
to frames using
Alternate sync
Video Reference
(typical)
NTSC or PAL sync PAL or NTSC sync
Alternate sync
RS-232
Config./
Control
External Interface
Connectors
Control Panel Bus
(75 ohm coax)
Control
RS-232
or RS-422
No coax between
Tee and Panel
Control
Panel
F/C A
F/C B
NB
NR
F/C C
Audio 128x128
Frame
Control
Panel
9-conductor
cables 052892
F/C D
F/C E
75 ohm
Terminations
75 ohm
Term.
F/C B
F/C A
F/C C
Node Controller(s)
must reside in the
top frame-section
3387-3.02
F/C D
F/C E
3-2 Series 7000 Installation Manual