Hardware Installation
2−74 CM 4000 Installation and Operating Manual
MPK bus
MI 3040
General Purpose/
Tally Interface
+5 V utility
connection Ground utility
connection
40 relays.
See Fig.
2−90.

Figure 2−86. Multi−switcher tally system with production switcher, Jupiter−controlled

router, Saturn master control, and indirect feed to transmitter.

Transmitter
Video and audio
Jupiter Control lines
40 opto−iso-
lators. See
Fig. 2−91.
Tally light
One connection per tally light.
100 V, 300 mA max.
Sources
Equal number
of connections
Saturn master control
switcher
Jupiter−controlled
router
INDIRECT
Production
switcher Switcher
tally relays
See Note 1 on pg. 2−68.
See Note 1 on pg. 2−68.
Saturn processor