Extron Electronics MS9400 HD FrEND - Manual (Page 43)

MS9400 HD FrEND User Guide Chapter 6: Remote Control Protocol
43 Rev. 1.54
GPIO COMMANDS:
When using the MS9400 with an optional GPIO Interface module additional commands are available that enable
the MS9400 to control or be controlled by an external device.
NOTE: Refer to Chapter 7: Using the GPIO Interface for more information.
Getinput
Verify the state of the four (4) GPIO Inputs.
The Player will respond with
inputstate 1(+ or -) 2(+ or -) 3(+ or -) 4(+ or -) where ‘+’ = ON ‘-‘ = OFF.
Getoutput
Verify the state of the four (4) GPIO Outputs.
The Player will respond with
outputstate 1(+ or -) 2(+ or -) 3(+ or -) 4(+ or -) where ‘+’ = ON ‘-‘ = OFF.
Setoutput
Change the state of the four (4) GPIO Outputs.
The Player will respond with
outputstate 1(+ or -) 2(+ or -) 3(+ or -) 4(+ or -) where ‘+’ = ON ‘-‘ = OFF.
STATUS COMMANDS:
GetState
Request the status of certain parameters for a specific player (Channel)
The Player will respond either of the following:
“stateplaying 1”
“statestopped 1”