Hardware Installation
2−75CM 4000 Installation and Operating Manual
MPK bus
MI 3040
General Purpose/
Tally Interface
Ground utility
connection
40 relays.
See Fig.
2−90.

Figure 2−87. Multi−switcher tally system with production switcher, Jupiter−controlled

router, non−Saturn/MCS 2000 master control, and direct 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
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. 2−68