ThisTTL To RS422converter converts aTTL signal into a balanced differentialRS422signal for interface converting, expanding nodes, and long-distance communication. Using the RICE features (Relay, Isolate, Convert, and Expand)it doesthe following –

• Relay –Communication distance of up to 1.2km
• Isolate –Power and signal isolation
• Convert –TTL to RS422 bi-directional conversion
• Expand –RS422 can be expanded up to 32 nodes

It has multiple protection features to make it safe and stable, including isolated voltage, strong anti-interference, lightning-proof diodes and a TVS (Transient Voltage Suppressor) that acts as a diversion of power when there are surges or spikes that could damage equipment downstream.

On top of that, it also comes with rail mount support, so you can easily combine multi-rail-mounted serial servers together. This is one converter you don’t want to miss out on!

Note: the TTL TO RS422 is designed to be used with RS422 devices, however, you can use it with RS485 devices (But you only have the option to send). It is recommended to use TTL TO RS485 (B) for the RS485 device.

Features

• Compatible with TTL/RS422 standard, converting the TTL signal into differential RS422 signal, supporting full duplex communication
• Compatible with 3.3V ~ 5V TTL signal level, provides anti-reverse and over-voltage protection for power supply interface
• Unibody power supply isolation, provides stable isolated voltage and needs no extra power supply for the isolated terminal
• Unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
• TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, anti-electrostatic
• Resettable fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage protection, improve shock resistance
• RS422 input and output terminal 120R resistor, enabled/disabled via jumper
• Industrial rail-mount ABS case design, small in size, easy to install, and cost-effective

What’s on Board

Specifications

Resources

• Product Wiki

Pinout

Package Contents

• 1x TTL to RS422 Converter (B)
• 1x Screwdriver