GNSS services are enabled using the config>card>mda>gnss no shutdown command. When GNSS services are enabled, the GNSS receiver begins acquiring GPS and/or GLONASS satellite signals and determines the position of the system. The GPS LED on the chassis blinks green during this process. The GPS LED is lit solid green when the GNSS receiver has determined the position of the node. The GPS LED is unlit when the GNSS receiver is disabled.
When NMEA services are also enabled, NMEA sentences are streamed according to the parameters associated with that service. See Configuring NMEA parameters for information.
GNSS services are disabled using the shutdown command. When GNSS services are disabled, the GNSS receiver is disabled and satellite information is reset. The GPS LED is unlit when the GNSS receiver is disabled.
GNSS services are disabled by default.
The GNSS receiver generates a logging event when it starts to acquire a position fix and when it has acquired a position fix.