X1200 Series Router Manual
Page 3-20
Revision 1.3.2
OPERATION
3.12.5. Programming the GPI Inputs Functions
The GPI inputs can be configured to operate in one of 4 modes using the Gpi Encoding menu item. In
three of these modes, many of the GPI inputs have pre-assigned functions, and the unused inputs are
available for the user to program for a specific function. In the fourth mode (when the GPI Encoding is set
to none) all 14 GPI inputs are available for the user to program for specific functions.
The Program Gpi menu is used to program the functions of the GPI inputs that are available for user
functions. Individual menus for each GPI input allow each input to be independently configured. For
Simplicity only the Gpi 1 type menu will be shown.
GPI SETUP
Program Gpi’s
Program Gpi 1
disable gpi
afv1 sel. i/p
afv2 sel. i/p
v1 sel. i/p
v2 sel. i/p
1a(afv1) sel i/p
1b(afv1) sel i/p
2a(afv1) sel i/p
2b(afv1) sel i/p
1a(afv2) sel i/p
1b(afv2) sel i/p
2a(afv2) sel i/p
2b(afv2) sel i/p
10xl v1 redirect
10xl v2 redirect
If the GPI function is already determined by one of the encoding modes, the
front panel will display a message such as Gpi 1 Encoded
The afv1 and afv2 functions will cause the selected video and associated
audio inputs to switch to the indicated output busses.
The v1 and v2 functions will cause the selected video input to switch to the
indicated output video buss.
The 1a, 1b, 2a and 2b functions will cause the selected audio input to switch
to the output audio buss shown in brackets. (e.g. 1a(afv1) will cause the
selected audio input to switch to the 1a audio output associated with V1.)
The 10xl v1 and V2 redirect functions will cause the respective video buss to
respond to GVG 10XL serial commands issues to address 0, in spite of the
programmed Serial Address for that video buss. This feature allows
both/either video buss to be controlled by standard Single drop GVG
Protocol. See section 5.1 for further information about controlling the router
using GVG 10XL Serial Protocol commands.
When one of these modes is selected the button corresponding to the
selected input will blink. To select another input press the corresponding
button (the input button LED will turn On) and confirm your selection by
pressing the SELECT key (the input button LED will blink).
Disable GPI will turn off the GPI input
3.13. CONFIGURING THE GENERAL PURPOSE OUTPUTS (GPO)
The X1200 series routers have four general purpose (GPO) outputs that can be programmed to various
functions to suit the specific requirements of the user. The GPO SETUP menus are used to configure the
functions of the GPO outputs. See section 2.5 for information about connecting the GPO outputs. The
chart below shows the items available in the GPI SETUP menu. Sections 3.13.1 to 3.13.5 give detailed
information about each of the sub menus.
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