2.3 GPI IN CONNECTIONS
On XT servers, GPI triggers are available from Multicam version 5.03.25 or higher.
Refer to the Multicam or AirBox user manuals for GPI allocation.
2.3.1 RELAY Æ OPTO INPUTS ON THE XT SERVER (GPI INPUTS 1,
2, 3, 4)
2.3.2 RELAY Æ TTL INPUTS ON THE XT SERVER (GPI INPUTS 5,
6, 7, 8)
The relay must be connected between the ground and the corresponding TTL input
on the DB25.
12
3
4
5678910
11
12
13
14
1516
17
181920
2122
23
24
25
G
P
I 1
G
P
I 4
G
P
I 2
G
P
I 3
IN
+
G
P
I 4
G
r
o
u
n
d
G
r
o
u
n
d
G
r
o
u
n
d
G
r
o
u
n
d
G
P
I 4
IN
+
G
P
I 3
IN
+
G
P
I 2
IN
+
G
P
I 1
V
+
IN
+
G
P
I 4
IN
+
G
P
I 3
IN
+
G
P
I 2
IN
+
G
P
I 1
12
3
4
5678910
11
12
13
141516171819202122232425
IN
+
G
P
I 4
G
r
o
u
n
d
G
r
o
u
n
d
G
r
o
u
n
d
G
r
o
u
n
d
IN
+
G
P
I 3
IN
+
G
P
I 2
IN
+
G
P
I 1
IN
+
G
P
I 7
IN
+
G
P
I 6
IN
+
G
P
I 5
IN
+
G
P
I 8