4 devices
2 brands
IoTM Protocol
Binary IoTM fleet protocol on Traccar TCP 5218 publishing door, brake, cargo weight, trailer id, and cornering attributes.
On Traxelio
What Iotm trackers do once they are on Traxelio
Hardware that speaks this protocol
Devices that speak Iotm
Point this protocol at Traxelio
Point Iotm at Traxelio
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1
Confirm IO-heavy firmware
Door/brake/cargo fields in the vendor list → IoTM.
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2
APN then host:5218
Binary listeners stay dark without data.
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3
Decode a frame with door bits
Prove doorFL..RR before arguing map delay.
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4
Note trailerId if present
Coupling identity is part of the IoTM value.
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5
Command tests last
Only after positions + IO attributes are stable.
Still offline after GPS lock
Iotm still not landing
- Trailer id always blank
Some SKUs omit trailer probes; hardware may lack the sensor.
These symptoms are answered outside this section:
FAQ
Iotm leftover questions
Fleet vs asset seal?
IoTM is cabin/cargo vehicle IO. Eseal is padlock tamper events on 5169.