Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 170)

Hardware Installation
2−98 VM 3000 Installation and Operating Manual
VM/SI 3000 9−PIN TO TCS 1 37−PIN CABLE
The RS−422 cables used to connect VM/SI 3000 controller boards to TCS 1 machine interfaces (as shown in Figure 2−109)
are not supplied by Grass Valley.
The pin−outs for this cable are shown in Figure 2−112.
1
2
3
7
8
1
2
20
DB9P
(male)
Shield (drain)
DB37S
(female)
Figure 2−112.
3
21
Frame ground
VM/SI 3000 controller board
TCS 1 Machine Interface
Receive −
Transmit −
Receive +
Transmit + Transmit +
Receive −
Receive +
Frame ground
1
2
20
3
21
Bus can be extended to additional
TCS 1 machine interfaces if desired
DB37S
(female)
Transmit −