C2STEK Protocol ($AP / PA$ ASCII dialect)
C2STEK on TCP 5181: PA$imei$ hash fields closed by $AP, with a 0/1 valid flag and signed decimal lat/lon.
On Traxelio
What C2STEK trackers do once they are on Traxelio
Point this protocol at Traxelio
Point C2STEK at Traxelio
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1
Capture a C2STEK fingerprint
Confirm a line that opens with PA$ and a 15-digit IMEI, then hash fields, then $AP.
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2
Point C2STEK at 5181
Configure only C2STEK to TCP 5181. C2STEK on 5181 is not CarTrack on 5061 or Carscop on 5040.
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3
Treat $20$ as the only echo
A line that contains $20$ is echoed back. Other lines have no reply byte.
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4
Prove one C2STEK fix
Send one PA$ line whose valid flag is 1 and whose lat/lon are signed decimals.
Still offline after GPS lock
C2STEK still not landing
- C2STEK aimed at the wrong port
C2STEK on 5181 is not CarTrack on 5061 or Carscop on 5040.
- Session up, empty map
Valid flag must be 1. A 0 flag binds the IMEI and will not plot.
- NMEA deg-min parsed as C2STEK
C2STEK lat/lon are signed decimals. CarTrack &B on 5061 is the NMEA pair.
FAQ
C2STEK leftover questions
Does C2STEK send Concox 0x7878 frames?
No. C2STEK is ASCII that opens with PA$ and a 15-digit IMEI, then hash-separated fields, and closes with $AP.
Which C2STEK valid flag plots?
1 plots. 0 is void and will not plot.
What do C2STEK alarm hex values 2, 3, 5, and A mean?
2 is vibration. 3 is power cut. 5 is SOS. A is low battery.
When does C2STEK echo a line?
A line that contains $20$ is echoed back as the reply. Other lines have no reply.
Can a C2STEK unit run SMS setup or a controlled-action flow?
This dialect is positions only. There is no SMS family on this row.