Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 89)

Hardware Installation
2−17 VM 3000 Installation and Operating Manual
Figure 2−17. Cable for connecting VM 3000 to SMS 7000 DB9 port.
1
6
R−
2
7
3
T−
8
4
9
5
R−
T+
to VM 3000
serial port to SMS 7000
G Ground
R− Receive minus
R+ Receive plus
T+ Transmit plus
T− Transmit minus
DB9P
(male)
DB9
= twisted pair
1
6
2
7
3
8
4
9
5
T+
R+
G G
R+
T−
Figure 2−18. Cables for connecting VM 3000 to SMS 7000 DB25 port.
1
6
R−
2
7
3
T−
8
4
9
5
to VM 4000
serial port
G Ground
R− Receive minus
R+ Receive plus
T+ Transmit plus
T− Transmit minus
DB9P
(male)
= twisted pair
T+
R+
G
DB25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
to SMS 7000
T−
T+
R+
G
R−