Grass Valley K2 Media Client System Guide v.3.3 - Manual (Page 194)

194 K2 Media Client System Guide June 9, 2009
Appendix B Specifications
GPI I/O specifications
The K2 Media Client specification is shown in the following table.
Characteristic Description
Number of Inputs/Outputs 12 inputs and 12 outputs.
Connector type 25pin D
GPI Input TTL 0-0.8 V Low; 2.4-5 V High; 1 mA external current sink
GPI Output Max Sink Current: 100 mA; Max Voltage: 30 V
Outputs are open drain drivers.
Max. voltage when outputs are open = 45V
Max. current when outputs are closed = 250mA
Typical risetimes approximately 625ns
Typical falltimes approximately 400ns