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Mode
Use the Right button to toggle between three modes: Off, Continuous, and Triggered.
When Continuous mode is selected, the enabled "Channels to Send" (see main menu) will
be streamed continuously to the remote server. A good network connection should be able
to support a sample rate of 500sps for continuous telemetry.
If Triggered mode is selected, a connection to the remote computer is maintained, and
heartbeat signals are sent to the server every few seconds. If a Level or STA/LTA trigger
process is enabled and detects an event, a trigger packet will be immediately sent to the
remote server. The Gecko will immediately streaming all channel defined in "Channels to
Store" and also dump data from these channels from its buffer. The amount of data in the
pre-trigger buffer that is streamed immediately will depend on the sample rate, from
around 80 seconds at 50sps to around 4 seconds at 1000sps. The length of time continuous
streaming will continue after a trigger also varies by sample rate: 300 seconds at 50sps,
150 seconds at 100-250sps, and 30 seconds for 400-1000sps.
The data reception software (Streams or eqServer) can request additional pre-trigger data
in 1-minute blocks.
When telemetry mode is set to Off the Gecko will not attempt to start a serial connection.
Device
This setting defines the type of communication device connected to the Gecko's
communication port. Use the Right button to cycle through "Ethernet" or "3G modem" or
"Serial" (for direct USB cable) if you have one of these devices connected (available for
separate purchase). See Appendices for information on Ethernet adaptor configuration.
We no longer offer the 3G modem option, but the Gecko will still control Telit HE-910
modem that customers have previously purchased.
Cellular modems require localised telecommunication authority approval, so we recommend
that you source a modern cellular modem from a local provider. It should have a DB9 serial
port for the Gecko connection, and have TCP client or PAD support that allows the serial
port to be mapped to a port on a remote computer that is being monitored by Streams or
eqServer applications.
Some models that have been successfully configured and tested with the Gecko include:
•
Netcomm NTC 220 series 4G LTE Industrial IoT Router (221-01 AU/NZ spec tested)
•
Netcomm NTC 6000 and 6200 series 3G M2M Router (AU/NZ spec tested)
•
Sierra Wireless AirLink RV50X (NA/EMEA/AP spec tested)
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