Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 179)

Hardware Installation
2−107 VM 3000 Installation and Operating Manual
Figure 2−121. Example of MC 3040/4 connections.
Relay contacts
MPK
bus
Relay 0
Play
Relay 1
Stop
Relay 2
Ready
Relay 3
Cue
Opto 0
Play
Opto 1
Stop
Opto 2
Ready
Opto 3
Cue
2 2 2 2 2 2 2 2
Status in
Machine control panel
Number 1
Status
Commands
Play Stop Ready Cue
Control
panels
2
through
10