Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 103)

Hardware Installation
2−31 VM 3000 Installation and Operating Manual
UTAH SCIENTIFIC AVS−1B WITH PL−320
The VM 3000 can be connected to a Utah Scientific AVS−1B through the switcher’s PL−320 Control and Memory Card (see
Figure 2−39). The protocol for the PL−320 RS−422 port must be set at: 1200 baud, 7 data bits, even parity, and 2 stop bits.
The PL−320 must be equipped with software version 32.B or later. Refer to the PL−320 Manual for configuration instructions.
Figure 2−39. Connection to PL−320.
See Figure 2−40 for a description of this cable
Utah 12 protocol
RS−422 port
AVS−1B with
PL−320 Control
and Memory Card
VM 3000
LAN
See pg
2−46
House time
code
(optional).
See pg.
2−110
Odd serial port
Figure 2−40. Cable for connecting VM 3000 to PL−320.
1
6
R−
2
7
3
T−
8
4
9
5
R+
T−
to VM 3000
serial port
to PL−320
RS−422 Port
G Ground
R− Receive minus
R+ Receive plus
T+ Transmit plus
T− Transmit minus
DB9P
(male)
DB9P
(male)
= twisted pair
1
6
2
7
3
8
4
9
5
T+ R−
R+
T+
G G