GPS protocols and commands

AirLink MP595 / MP595W Modem User Guide

Note: The “MP 3G Modems TAIP Reference manual” (document #2130312) provides a description of the TAIP commands that can be used with the MP modem. This is available at www.sierrawireless.com. Information about Trimble GPS modules, including more documentation on TAIP commands, is available at www.trimble.com.

More information on NMEA message standards is available

at www.nmea.org.

The GPS module supports two methods of reporting naviga‐ tional information, using either the TAIP (Trimble ASCII Interface Protocol) or NMEA (National Marine Electronics Association) protocols. The GPS module is pre‐configured for TAIP. If you are using a GPS application that requires data to be reported according to the NMEA protocol, the MP modem must be reconfigured using an AT command. (See the MP 3G Modems AT Command Reference manual (document #2130810.)

NMEA is a reporting protocol only, while TAIP provides the ability to send commands to the module to query for infor‐ mation and configure reports. When the MP modem is set for TAIP, commands can be sent to the MP modem in these ways:

•Using 3G Watcher

•Using AT commands

TAIP commands can be used to:

•Query the MP modem for its current position, heading, and speed

•Enable and disable automatic reporting of GPS data, and set the interval at which automatic reports are sent

•Configure the format of reports

GPS display in 3G Watcher

To view 3G Watcher’s GPS Display window, which reports latitude, longitude, speed, direction, altitude, and local and UTC time1, select Tools > Display GPS or double‐click the GPS icon on the main 3G Watcher window.

From a cold start (where the MP modem is powered on with no stored navigational data), it may take up to 39 seconds for the GPS module to obtain satellite fixes and begin reporting.

1.UTC replaces Greenwich Mean Time as the basis for standard time throughout the world. UTC, which uses atomic measurements rather than the Earth’s rotation, is the equivalent of mean solar time at the prime meridian (0° longitude).


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MP595W, MP595 specifications

The Sierra Wireless MP595 and MP595W are robust industrial-grade multi-network routers designed to ensure reliable and high-speed connectivity in a wide range of applications. Both models leverage advanced technologies to meet the demands of IoT (Internet of Things), M2M (Machine-to-Machine), and remote network management, making them ideal for various sectors, including transportation, utility, and smart city initiatives.

One of the standout features of the MP595 and MP595W is their dual-SIM capability. This functionality allows users to connect to two different mobile networks simultaneously, providing added reliability and redundancy. In scenarios where one network experiences failures or inadequate performance, the router can seamlessly switch to the secondary SIM. This ensures continuous connectivity, which is crucial for critical applications where downtime can result in significant losses.

Both models support a full range of cellular technologies, including 4G LTE and 3G, enabling high-speed connections with the flexibility to adapt to different network conditions. The MP595W variant offers additional capabilities, including built-in Wi-Fi, allowing users to set up a local wireless network and connect multiple devices easily.

Furthermore, these routers feature advanced security mechanisms, supporting VPN (Virtual Private Network) protocols and firewall functionalities. This ensures secure data transmission and protects sensitive information from potential threats, making them suitable for enterprise-level applications.

The user-friendly management interface enables easy configuration and monitoring. Sierra Wireless provides comprehensive tools and APIs that facilitate remote management, allowing users to manage and update the router's settings from anywhere, thereby reducing maintenance costs and time.

The routers also come equipped with multiple Ethernet ports, allowing for direct wired connections to equipment and devices. This versatility makes them suitable for a variety of setups, from simple installations to more complex network configurations.

With their rugged design, the MP595 and MP595W are built to withstand harsh environmental conditions, making them perfect for outdoor deployments. They are designed to operate across a wide temperature range, ensuring consistent performance in extreme weather.

In conclusion, the Sierra Wireless MP595 and MP595W are powerful, versatile, and secure solutions for organizations needing robust mobile connectivity. Their advanced features and reliability make them indispensable in achieving seamless communication across various industrial applications.