Coban - GPS311 Protocol
This page describes the public protocol context for using the Coban GPS311 tracker with Plaspy. It focuses on how the device communicates to a cloud endpoint managed by Plaspy and what role the reporting protocol plays in reliable vehicle tracking and monitoring. The information here is intended for integrators, fleet managers, and technical users who need a clear, public view of the communication context without exposing private implementation details.
Plaspy uses shared connection settings across supported devices and automatically detects the tracker protocol when the device reports correctly to the platform. Exact protocol behavior and available features can vary depending on GPS311 firmware version, hardware revision, configuration, and manufacturer implementation. For device specific commands and firmware differences consult the manufacturer's documentation as needed.
Protocol Overview
The protocol used by the GPS311 defines how the tracker sends location, status, and alarm information to a remote server and how remote commands or configuration updates are applied when supported. In practice this protocol layer enables the tracker to be useful for real time monitoring, event reporting, and remote management via a backend platform such as Plaspy.
- Enables the GPS311 to report GPS position, movement events, and alarm conditions to a remote server.
- Carries device identity and status information that Plaspy uses to associate incoming reports with the correct vehicle.
- Provides the transportable payload that allows Plaspy to display location, geofence, speed, and other telemetry in the platform.
- Supports periodic and event driven reports so both continuous tracking and alarm driven notifications are possible.
- Allows for remote configuration and operational control where the device and firmware support such features.
How Plaspy Detects the Protocol
Plaspy receives reports from devices sent to a shared endpoint and automatically identifies the device protocol based on the incoming connection and payload pattern. This means that when a GPS311 is configured to report to Plaspy, the platform will attempt to recognize the tracker format without requiring manual protocol selection in most cases.
- Plaspy listens on a single, shared port for all supported devices and automatically detects the tracker protocol.
- Devices should be configured to report to the Plaspy endpoint to allow automatic detection.
- The Plaspy server domain is d.plaspy.com and the server IP is 54.85.159.138 for direct IP targeting.
- Plaspy uses port 8888 for device connections and that port is the same for all devices in the platform.
- Whether a device uses UDP or TCP for reporting will depend on the tracker configuration and firmware capability.
- When the device is correctly pointed at the Plaspy endpoint, manual protocol selection inside Plaspy is generally not required.
Transport and Connection Context
Transport choices and basic connection configuration determine how the GPS311 reaches Plaspy but do not change the higher level meaning of the tracker protocol. The GPS311 supports common mobile data transports and can send reports over GPRS internet to a configured host and port. Understanding the connection context helps ensure devices are addressing the correct Plaspy endpoint and port.
- The GPS311 may be configured to use UDP or TCP to report to a remote server depending on device support and configuration.
- Point the device to the Plaspy domain d.plaspy.com or to the direct server IP 54.85.159.138 when configuring reporting.
- Use port 8888 for device reporting since Plaspy uses the same port for all supported devices.
- Network level factors such as mobile operator restrictions, APN settings, and firewall rules can affect connectivity.
- Confirm that the tracker has an active data connection and correct APN so reports reach the Plaspy endpoint reliably.
Protocol Compatibility Notes
- Firmware versions can add, change, or remove features and fields in the GPS311 reporting behavior; verify firmware when testing compatibility.
- Hardware revisions or variant models from the manufacturer can introduce protocol differences that affect certain telemetry or alarm fields.
- Transport selection between UDP and TCP may affect delivery characteristics and should match the device configuration.
- Manufacturer options such as SMS fallback, LBS reporting, or alternate reporting modes can change how the device behaves on the network.
- Plaspy automatically detects protocol formats, but devices must be configured to report to the Plaspy endpoint for detection to work.
- Always validate device behavior against the manufacturer documentation for the specific firmware and hardware revision.
Why Protocol Understanding Matters
Knowing how the GPS311 communicates with Plaspy helps ensure reliable setup, efficient troubleshooting, and predictable long term operation. Understanding the protocol context reduces integration time and helps teams verify that alarms, geofence events, and telemetry are delivered as expected.
- Speeds initial setup by confirming the device is configured to report to the correct Plaspy endpoint and port.
- Helps diagnose connectivity issues by separating network transport problems from protocol parsing concerns.
- Ensures alarms and event reports are mapped correctly into Plaspy dashboards and workflows.
- Supports informed decisions about transport selection and device configuration for reliability.
- Reduces time spent on manufacturer support by clarifying which behavior is device side and which is server side.
Why Use Plaspy with This Protocol
Using the Coban GPS311 with Plaspy provides a practical path to vehicle visibility and operational oversight. Plaspy ingests device reports, associates them with fleet assets, and presents telemetry and alarm information in dashboards and reports useful for fleet managers, dispatch, and security teams. The GPS311’s compact form factor and fleet oriented features make it a fit for many vehicle monitoring scenarios when paired with a platform that handles protocol detection and centralized data handling.
To learn more about Plaspy and how it integrates with a wide range of trackers including the GPS311 visit https://www.plaspy.com. For the most current device specific protocol details, firmware notes, and manufacturer implementation information consult the official Coban documentation at https://www.coban.net/. Protocol support and firmware behavior can change over time so verifying the latest manufacturer documentation is recommended.
Tracker Communication
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