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7700 Multi-Frame Manual
7707EO-3G 3G/HD/SDI Re-Clocking Electrical to Optical Converter
4.2.5. Selecting GPO Triggers
The 7707EO-3G provides 1 user-enabled GPO. It has logical functions for loss of input video and laser
error. To configure the GPO enable mode, select the CTRL (Control) menu item in menu level 1 followed
by the GPO (GPO) and LOS (Loss of Input) or LASR (Laser) menu items.
CTRL
GPO
LOS
LASR
EN
DIS
4.2.6. Selecting GPO Polarity
The GPO polarity of the 7707EO-3G is user selectable. When set to Normally Open, GPO and GPO
Ground are connected only when card fault exists. When set to Normally Closed, GPO and GPO Ground
are connected until card fault exists, at which point GPO and GPO Ground become disconnected. To
configure the GPO Polarity mode, select the CTRL (Control) menu item in menu level 1 followed by the
GPO (GPO) and POL (Polarity) menu items.
CTRL
GPO
POL
OPEN
CLOS
4.2.7. Selecting the Orientation of the Display
The 7707EO-3G provides the ability to adjust the orientation of the display. When using a 3RU frame it is
convenient to have the text read vertical whereas when using a 1RU frame a horizontal display is
desirable. To change the orientation of the display select the CTRL (Control) menu item in menu level 1,
followed by the DISP (Display) menu item.
CTRL
DISP
HORZ
VERT
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The following list describes possible user selections for this menu item:
Enables GPO.
EN
Disables GPO.
DIS
Note: When Loss of Input and Laser Error GPO are enabled, either fault will
trigger GPO.
The following list describes possible user selections for this menu item:
GPO Polarity Normally Open.
OPEN
GPO Polarity Normally Close.
CLOS
Note: Card fault exists when Video Input is Lost or Laser fault exists.
The following list describes possible user selections for this menu item:
Sets the orientation of the text to horizontal.
HORZ
Sets the orientation of the text to vertical.
VERT
Revision 1.1
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