Chapter 3: Installation and Hardware

Table 3-1. RJ45 Serial Connector Pinouts

Figure 3-3. RJ45 Connector – Front View

 

 

 

 

 

Pin

Direction

Name

Function

 

1

Output from DR+

RTS

Ready To Send

 

2

Output from DR+

DTR

Data Terminal Ready

 

3

Output from DR+

TXD

Transmitted Data

 

4

Ground

GND

Signal Ground

 

5

Ground

GND

Signal Ground

 

6

Input to DR+

RXD

Received Data

 

7

Input to DR+

DSR

Data Set Ready

 

8

Input to DR+

CTS

Clear To Send

 

Screw Terminal Serial Connectors

Table 3-2. Serial Screw Terminal Pinout for RS422 (4-Wire)

 

Pin

 

 

Direction

 

 

Name

 

 

Function

 

 

 

 

 

 

 

 

 

1

 

 

Output

 

TX+

 

Transmit Data +

2

 

 

Output

 

TX-

 

Transmit Data -

3

 

 

Ground

GND

Signal Ground

4

 

 

Input

RX+

 

Received Data +

5

 

 

Input

 

RX-

 

Received Data -

Table 3-3. Serial Screw Terminal Pinout for RS485 (2-Wire)

 

Pin

 

 

Direction

 

 

Name

 

 

Function

 

 

 

 

 

 

 

 

 

1

 

 

Bi-directional

 

TX+/RX+

 

Transmit Data + and Received Data +

2

 

 

Bi-directional

 

TX-/RX-

 

Transmit Data – and Received Data -

3

 

 

Ground

GND

Signal Ground

4

 

 

Not Applicable

 

Not Applicable

 

Not Used

5

 

 

Not Applicable

 

Not Applicable

 

Not Used

Figure 3-4. Screw Terminal Ports

XPress DR+ User Guide

21

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Lantronix 900-422 manual Screw Terminal Serial Connectors, RJ45 Serial Connector Pinouts
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900-422 specifications

The Lantronix 900-422 is a robust industrial device used primarily for remote access and management applications. Known for its reliability and versatility, this product caters to a variety of sectors, including telecommunications, manufacturing, and energy management.

One of the standout features of the Lantronix 900-422 is its ability to provide secure remote management capabilities. With built-in support for secure protocols like SSH and SSL, users can confidently access and control devices over the internet while ensuring data integrity and confidentiality. This security is crucial for applications where sensitive information is transmitted.

The device is equipped with a versatile multi-port serial connectivity option. With support for multiple serial communication protocols, including RS-232 and RS-485, the 900-422 can seamlessly interface with various types of industrial equipment and sensors. This adaptability enhances its usability in diverse environments and tasks, from monitoring weather stations to managing industrial machines.

Another significant characteristic of the Lantronix 900-422 is its compact and rugged design, making it suitable for installation in harsh industrial settings. Its durable exterior is resistant to dust and moisture, ensuring that it maintains performance even in challenging conditions.

The device also features an intuitive web-based interface, simplifying configuration and management. With this graphical user interface, users can quickly set up the device, manage settings, and monitor connected devices, all from a centralized location. This ease of use significantly reduces the time and effort needed for system administrators to maintain their networks.

Additionally, the Lantronix 900-422 is equipped with advanced monitoring and diagnostic tools. Users can track performance metrics and receive alerts for potential issues, enabling proactive maintenance and reducing downtime. The combination of real-time monitoring and remote access capabilities allows organizations to streamline their operations and respond swiftly to any anomalies.

Overall, the Lantronix 900-422 stands out as a reliable solution for remote device access and management. Its blend of security, versatility, and user-friendly features ensures that it meets the diverse needs of modern industrial applications, making it an essential tool for any organization looking to enhance operational efficiency and reliability.
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