Grass Valley Kayak HD Installation Planning Guide v.6.9.4 Jun 02 2011 - Manual (Page 47)

Kayak HD — Installation Planning Guide 47
GPI / Tally Connections
GPI Input Structure
Figure 28. GPI Input Connections (Typical 2 of 8 connections)
Pins 1 and 34 of each of the two (four) connectors are connected to ground.
For applications that span across more than one connector, only one
ground (common) connection is required.
The function of each GPI input is user assignable. The activation of the
function can be programmed to occur on the leading edge or the trailing
edge of the closure, or both edges. The switch must be closed for at least one
field.
50-pin Connector
Pin Numbers
Opto Isolator
(1 of 8)
GPI 1
GPI 5
+ 3.3 V
Open
Collector
18
35
19
36
20
4
1
34
3
2
150 ohm
Opto Isolator
(5 of 8)
Ground and
Chassis
Kayak HD Frame User Equipment
+ 3.3 V
150 ohm
8448_08
r0