Envotech Protocol ($ hex-event # frames)
Envotech on TCP 5240: $ mode hardware hex-event unit-id, quote then ddmmyy fix; 0x60 lock, 0x61 unlock.
On Traxelio
What Envotech trackers do once they are on Traxelio
Hardware that speaks this protocol
Devices that speak Envotech
Point this protocol at Traxelio
Point Envotech at Traxelio
-
1
Capture an Envotech fingerprint
Confirm a $ line with a hex unit id and a quote before packed lat/lon, closed by #.
-
2
Point Envotech at 5240
Configure only Envotech to TCP 5240. Envotech on 5240 is not Gotop on 5050 or Megastek on 5024.
-
3
Do not wait for an ACK
Envotech has no reply byte. A parsed quote-split fix is enough.
-
4
Prove one Envotech fix
Send one $ line whose fix flag is greater than 0 on 5240 and verify a map point.
Still offline after GPS lock
Envotech still not landing
- Envotech aimed at the wrong port
Envotech on 5240 is not Gotop on 5050 or Megastek on 5024.
- Session up, empty map
Fix flag must be greater than 0. A 0 flag binds the hex unit id and will not plot.
- No ACK, assumed dead
This dialect has no reply byte. Check the map, not the socket for an ACK.
FAQ
Envotech leftover questions
Does Envotech send Concox 0x7878 frames?
No. Envotech is $ ASCII with a hex event and a quote before packed lat/lon. Concox families use 0x7878 binary login.
Which Envotech events raise lock and unlock?
0x60 is lock. 0x61 is unlock. Other hex values stay as the event code.
Does Envotech send an ACK?
No. There is no reply byte. A parsed quote-split fix is the whole handshake.
What sits after the quote on an Envotech line?
A second ddmmyyhhmmss stamp, a fix digit, then packed lat/lon, speed, and course.
Can an Envotech unit run a controlled-action flow?
This dialect is positions only. SMS family envotech_adminip can aim the host; ingest still plots positions only.