TTL to RS422 Module

MAX490 TTL to RS422 Signal Converter Communication Module

Bidirectional 1000 Meters 2.5Mbps DC 5V Full Duplex

      This module lets you connect to an RS422 network with TTL uart. The Max490 IC is used. There is one transmitter and one receiver channel. This allows bidirectional communication to be done with this single chip.

     It offers support for a high communication speed such as 2.5Mbps. It has a communication distance of up to 1000 meters. It works with a DC 5V supply. It is little affected by noise. It has 15kv esd protection diodes.

Features:

•    IC: Max490
•    Operating voltage: DC 5V
•    Communication format: RS422
•    Communication speed: 2.5Mbps
•    Communication distance:  1000 meters
•    4 Pin Male header ttl connection socket RX TX 5V GND
•    4 Pin RS422 connection terminal block   A B Z Y
•    15KV ESD protection diodes
•    10 ohm current limiting protection resistors.
•    120ohm termination resistors It stops long distance echo noise.
•    Power indicator led.
•    Communication indicator led.
•    Dimensions: 5cm x 2.7cm

Package Contents :

• 1 pcs TTL to RS422 Module