Grass Valley 8972PX - Manual (Page 40)

40 8972PX — Instruction Manual
Installation
Figure 14. GPI Output I/O Typical Circuit
402 ohm
Front Module Rear Module:
GPI I/O 25-pin
Connector
Pin Numbers
GPO_PRIMARY_IS_ACTIVE
GPO_PRIMARY_FAIL
+3.3V
0.1uF
GPO_P_ACTIVE
8580_06
r0
2
3
402 ohm GPO_SECONDARY_IS_ACTIVE
GPO_COMMON_ACTIVE
+3.3V
+3.3V
0.1uF
GPO_S_ACTIVE
22
402 ohm GPO_ALTERNATE_IS_ACTIVE
0.1uF
GPO_ALT_ACTIVE
5
23
GPI Out Typical
GPI Out Typical
Logic
Logic
Logic
18
GPO_ALTERNATE_FAIL
20
GPO_SECONDARY_FAIL
+12V
1A
1
GPO_COMMON_FAIL
+12V
0.5A
4
GPO_ALTERNATE_FAIL_COMMON
21
GPO_ALTERNATE_ACTIVE_COMMON
Lamp
Lamp
Lamp