© 2017 Adolf Nissen Elektrobau GmbH + Co. KG
Construction and function
Variable Message Sign
15
3.4.7
LED status display
5 LEDs on NiBus modem circuit board
display different states.
LED 1 - General status display
Display status
Status
Steady OFF
·
not active (no voltage supplied / undervoltage)
Slow blinking
·
establishing connection
Fast blinking
·
error SIM card
Fast flashing
·
communication
Steady ON
·
active without communication
In normal operation the status changes continuously between 'steady ON' and 'fast flashing'.
Under normal conditions the modem should not remain for a longer time in status 'establishing
a connection'. If the status does not changes for several minutes it indicates an issue.
LED 2 - Error master
Display status
Status
Steady OFF
·
no error
Steady ON
·
error communication master
LED 3 - Communication master
The LED shortly flashes during communication.
LED 4 - Error GPS
Display status
Status
Steady OFF
·
no error
Blinking
·
no valid GPS fix
Steady ON
·
error communication GPS
LED 5 - Communication GPS
The LED shortly flashes during communication.
Summary of Contents for VarioSign Series
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