MP875 Modem User Guide

Note: No more than 36 VDC should be applied to any I/O pins.

Before using the digital input/output lines, you must configure them as inputs or outputs.

Connector pinouts

The MP modem’s I/O port is a female DB15HD connector with eight active I/O pins:

Two (2) digital I/O pins.

Two (2) digital input pins.

Four (4) analog input pins.

There are also six reserved pins and one ground pin.

15

610

1115

DB15HD male cable

DB15HD female connector on rear of MP modem

1.Reserved—do not connect

2.Reserved—do not connect

3.Digital Input/Output 1

4.Digital Input 3

5.Reserved—do not connect

6.Reserved—do not connect

7.Analog Input 2

8.Analog Input 4

9.Reserved—do not connect

10.Ground (GND)

11.Digital Input/Output 2

12.Digital Input 4

13.Reserved—do not connect

14.Analog Input 1

15.Analog Input 3

Figure 6-1: Pinouts for a male DB15HD I/O cable (left) that connects to the MP modem’s female DB15HD I/O connector (right). Note that the two figures’ pinouts are mirror images of each other, since they plug into one another.

Port specifications

See “I/O port characteristics” on page 75 for the technical specifications of the I/O ports, including input voltages.

Digital input devices

Digital input devices are those that have only two states and send a signal to the MP modem in one of those states. An example of a digital input device might be a gun rack alarm that sends a signal to the MP modem any time the gun rack is open. Another example would be a panic button that sends a signal to the MP modem when it is pushed.

 

 

 

 

 

 

 

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Sierra Wireless MP 875 manual Connector pinouts, Digital input devices, Port specifications

MP 875 specifications

The Sierra Wireless MP 875 is a cutting-edge device designed to cater to the needs of modern IoT applications and mobile networking solutions. This rugged mobile router stands out for its robustness, versatility, and advanced features, making it an ideal choice for industries such as transportation, public safety, and remote work environments.

At the heart of the MP 875 is its support for both LTE and advanced LTE-A technologies, providing high-speed internet access with speeds reaching up to 300 Mbps. This enables seamless connectivity for multiple devices, supporting applications such as video streaming, real-time data transfer, and cloud-based solutions. The dual-SIM capability enhances network reliability and allows for automatic failover, ensuring continuous connectivity even in remote locations.

One of the key characteristics of the MP 875 is its rugged design, built to withstand tough environmental conditions. The IP67-rated casing ensures protection against dust and water, making it suitable for deployment in harsh outdoor settings. Its wide operating temperature range further enhances its versatility, allowing it to function effectively in extreme heat or cold.

Another notable feature is the onboard Wi-Fi, which supports both 2.4 GHz and 5 GHz bands, enabling the connection of multiple devices with minimal interference. This dual-band functionality provides users with the flexibility to optimize their wireless connections based on their specific requirements. Additionally, the MP 875 includes comprehensive security features, such as VPN support, firewall protection, and advanced encryption protocols to safeguard sensitive data.

Moreover, the device supports various IoT applications, including fleet management, asset tracking, and telemetry. With built-in GPS capabilities, users can easily track the location of their assets or vehicles in real-time, enhancing operational efficiency and safety.

The MP 875 also boasts a user-friendly management interface, allowing for straightforward configuration and monitoring of devices. Remote management capabilities facilitate streamlined updates and troubleshooting, reducing downtime and improving overall productivity.

In conclusion, the Sierra Wireless MP 875 is an advanced mobile router that excels in providing reliable, high-speed connectivity in a rugged form factor. Its blend of LTE technologies, robust design, and comprehensive security features makes it an exceptional choice for businesses looking to leverage the power of IoT and mobile networking. Whether for transporting goods, managing public safety operations, or enabling remote work solutions, the MP 875 is a reliable partner for modern connectivity needs.