Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 153)

Hardware Installation
2−81 VM 3000 Installation and Operating Manual
“Diamond protocol”
LAN cable
(see page 2−46)
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
pg. 2−110
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