Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 91)

Hardware Installation
2−19 VM 3000 Installation and Operating Manual
For those who wish to prepare their own cable: if the SCB is the old style (071 0884 xx series), build the cable as shown in
Figure 2−21; if the SCB is the new style (071 1000 xx), build the cable as shown in Figure 2−22. (No adapter is needed when
the cable is custom−built).
1
6
Rx−
2
7
3
Tx−
8
4
9
5
to VM 3000
Serial port
DB9P
(male)
RJ45P
(male)
Rx+ Receive plus
Rx− Receive minus
Tx+
Transmit plus
Tx− Transmit minus
G Ground
Belden 8723 or equivalent
= Shielded, twisted pair
Rx+
Tx+
G
to Encore SCB
RS−422 port
1
2
3
4
5
6
7
8 Tx−
Rx−
Rx+
Figure 2−21. Customer−supplied cable
for connecting VM 3000 to old−style En-
core SCB (061 0884 xx series).
Tx+
G
G
1
6
Rx−
2
7
3
Tx−
8
4
9
5
to VM 3000
Serial port
DB9P
(male)
RJ45P
(male)
Rx+ Receive plus
Rx− Receive minus
Tx+
Transmit plus
Tx− Transmit minus
G Ground
Belden 8723 or equivalent
= Shielded, twisted pair
Rx+
Tx+
G
to Encore SCB
RS−422 port
1
2
3
4
5
6
7
8
Tx−
Rx−
Rx+
Figure 2−22. Customer−supplied cable for con-
necting VM 3000 to new−style Encore SCB (061
1000 xx series). These pinouts also apply to the cus-
tomer−supplied adapter, if installed (refer to text).
Tx+
G
G
G
G