907-0601-00 Rev. C Model 907 Video/Data Multiplexer – User’s Guide
Focal Technologies Corp. Page 6-10
6.9 907-DIAG (Diagnostics Card, LED Driver)
The 907-DIAG diagnostics interface card is shown below in Figure 6-10. This card monitors the data traffic on
the six data ports as well as the video sync lines and optical link line. Ten 6-pin WAGO headers are provided
for harnesses to external status LEDs.
Figure 6-10: 907-DIAG LED Diagnostics Interface Card
Configuration of the WAGO connectors is determined by the installed firmware on the 907-DIAG card and is
specific to the stack configuration. Any changes to the stack may require a change to the diagnostics card
firmware for the LED diagnostics to remain valid. Refer to the configuration drawing for pin designations.
The installed firmware for the 907-DIAG card is reflected in the –XX part number suffix. Typically these cards
are custom programmed for specific console rack configurations, for example to drive front panel LEDs. Most
of the LED signals are also available on the 907 cards themselves.
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