Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 193)

Hardware Installation
2−121 VM 3000 Installation and Operating Manual
MPK bus
MI 3040
General Purpose/
Tally Interface
Ground utility
connection
40 relays.
See Fig.
2−137.
Figure 2−134. Multi−switcher tally system with production switcher, Jupiter−controlled
router, non−Saturn/MCS master control, and direct feed to transmitter.
Transmitter
Video and audio
Jupiter Control lines
40 opto−iso-
lators. See
Fig. 2−138.
Tally light
One connection per tally light.
100 V, 300 mA max.
Sources
Equal number
of connections
Equal number
of connections
Non−Saturn non−
MCS master control
switcher
Switcher
tally relays
+5 V utility
connection
Jupiter−controlled
router
DIRECT
Production
switcher
Switcher
tally relays
See Note 1 on pg. 2−114