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Locations of Interface ports, LEDs and DIP-switches
LED Indicators
LED
Status
Q &S LED C1/
ON
Q &S LED B1
(Q&S Debug
disabled)
OFF
Q &S LED C2/
ON
Q &S LED B2
(Q&S Debug
disabled)
OFF
Q &S LED C3/
ON
Q &S LED B3
(Q&S Debug
disabled)
OFF
ON
Port B TX
OFF
ON
Port B RX
OFF
ON
TERM B
Port B side of
Link established
OFF
ON
Port C TX
OFF
ON
Port C RX
OFF
ON
TERM C
Port C side of
Link established
OFF
ON
Port A TX
OFF
ON
Port A RX
OFF
ON
OFF
Status port B
FLASH
Status port C
ON
12
Colour
Description
Signal amplitude (on RS-485) and quality LED 1 indicates that the
Amber
signal quality is greater than 20%
Signal amplitude and quality is POOR.
The signal quality is less than 20%
Signal amplitude (on RS-485) and quality LED 2 indicates that the
Green
signal quality is greater than 50%
Signal amplitude (on RS-485) and quality is ACCEPTABLE.
The signal quality is less than 50%
Signal amplitude (on RS-485) and quality LED 3 indicates that the
Green
signal quality is greater than 90%
Signal amplitude (on RS-485) and quality is GOOD.
The signal quality is less than 90%
Green
A good data packet has been transmitted out of port B
No valid data has been transmitted out of port B
Green
A good data packet has been received on port B
No valid data has been received on port B
In mode 2: Port B has successfully established and validated
Green
healthy communication across the link to a remote port C terminal.
In mode 2: Port B has failed to successfully establish and validate
healthy communication across the link to a remote port C terminal.
Green
A good data packet has been transmitted out of port C
No valid data has been transmitted out of port C
Green
A good data packet has been received on port C
No valid data has been received on port C
In mode 2: Port C has successfully established and validated
Green
healthy communication across the link to a remote port B terminal.
In mode 2: Port C has failed to successfully establish and validate
healthy communication across the link to a remote port B terminal.
Green
A good data packet has been transmitted out of port A1 or A2
No valid data has been transmitted out of port A1 or A2
Green
A good data packet has been received on port A1 or A2
No valid data has been received on port A1 or A2
Green
The link connected to port B is HEALTHY with data activity.
Amber
There is a FAULT present on the link connected to port B.
There is NO fault on port B, but INSUFFICIENT DATA activity.
There is a signal QUALITY FAULT present on the link connected
Amber
to port B.
Green
Port B is in a state of establishing the link
The link connected to port C is HEALTHY with data activity.
Green
Man-1492
DNX-R-2F/FC-K
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