7
DIGITAL VIDEO AND BIDIRECTIONAL DATA SYSTEM
TABLE 12: ON SCREEN DIAGNOSTICS
Monitor Display
Meaning
Single white bar
No video input to transmitter
Double white bar
No optical input to receiver
Ramp test pattern
Test mode (Position E or F) selected at transmitter
TABLE 14: RECEIVER LED DIAGNOSTIC INDICATORS
LED
NAME
COLOR
INDICATES /
CORRECTIVE ACTION
LEVEL/
Green
Sufficient optical power received.
No action required.
LOSS
Red
Insufficient optical power received.
Verify fiber connected, within optical budget, transmitter power on
.
VIDEO
Green
Valid video signal received from Tx unit.
No action required.
OUT
Red
No video signal received from Tx unit.
Verify fiber connected, transmitter power on.
DATA
Green
Logic high into Rx unit.
No action required.
IN
Yellow
Logic low into Rx unit.
No action required.
Off
Tri-state or disabled condition.
Verify data connectivity, data source powered on.
DATA
Green
Logic high received from Tx unit.
No action required.
OUT
Yellow
Logic low received from Tx unit.
No action required.
Off
Tri-state received from Tx unit or disabled condition.
No action required.
Green
Mode switch set to valid data format.
No action required.
ENABLED
Red
Disabled or in test mode.
Check Data Select conforms to desired configuration - may be valid.
TABLE 13: TRANSMITTER LED DIAGNOSTIC INDICATORS
LED
NAME
COLOR
INDICATES /
CORRECTIVE ACTION
LEVEL/
Green
Sufficient optical power received.
No action required.
LOSS
Red
Insufficient optical power received.
Verify fiber connected, within optical budget, receiver power on.
VIDEO
Green
Valid video signal into Tx unit.
No action required.
IN
Red
No video signal into Tx unit.
Verify video connectivity, video source is powered on and is transmitting.
DATA
Green
Logic high into Tx unit.
No action required.
IN
Yellow
Logic low into Tx unit.
No action required.
Off
Tri-state or disabled condition.
Verify data connectivity, data source powered on.
DATA
Green
Logic high received from Rx unit.
No action required
.
OUT
Yellow
Logic low received from Rx unit.
No action required.
Off
Tri-state received from Rx or disabled condition.
No action required.
Green
Mode switch set to valid data format.
No action required.
ENABLED
Red
Disabled or in test mode.
Check Data Select conforms to desired configuration - may be valid.