Grass Valley VM 3000 System Controllers v.7.4 User Manual
Page 153

Hardware Installation
2−81
VM 3000 Installation and Operating Manual
“Diamond protocol”
LAN cable
Serial port 1,
2, or 3
See discussion on page 2−80 for in-
formation concerning these cables.
ASCII bus protocol
VM/SI 3000
Sync ref. See
XBAR port
for Mnemonic Status
to DD
for AUX extension switch
commands from Diamond
Figure 2−95. Connections to DD switcher (example).
MPK panel may be used as
alternate method of sending
switch commands to Jupiter
(CP−3000 shown).
MPK protocol
Figure 2−96. Cable for connecting VM/SI 3000 to Grass Valley DD XBAR Port.
1
6
R−
2
7
3
T−
8
4
9
5
TA
RB
to VM/SI 3000
serial port
to DD XBAR 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+
TB
R+
RA
G
G
RC
G
Frame Ground
TC
Transmit common
RA
Receive A
RB
Receive B
TB
Transmit B
TA
Transmit A
RC
Receive common
TC