Industrial Gateway


• Serial Port with +/-4 kV ESD Protection
• Baud Rate of up to 115200 bps
• RS-485 Auto-Direction Control
• 2500 VDC Isolation
• Internal 128-byte Hardware FIFO for each Port
• LED Indicators for TxD, RxD and Power Status


The I-8142iW-G provides 2 isolated RS-422/485 serial ports, while the I-8144iW-G provides 4 isolated RS-422/485 serial ports. It is equipped with a 128-byte hardware FIFO for each port and offers speeds up to 115.2 kbps with support for RS-422 full-duplex communication. In the harsh industrial environment, the onboard ESD protection devices can divert this potentially damaging charge away from sensitive circuitry and protect the I-8142iW/I-8144iW from permanent damage. The serial communication modules are designed for use with intelligent devices like bar code readers, serial printers, intelligent sensors, instrumentation equipment, computers, and almost any device with an RS-422/485 port.


Factory, Building and Home Automation


 Intra-module Isolation 2500 VDC


 EMS Protection
 ESD (IEC 61000-4-2) ± 4 kV Contact for Each Terminal


 LED Indicators
 Status 1 x Power and Communication
4 x COM Ports


 COM Ports
 Ports 2 x RS-422/485
 Baud Rate 115200 bps Max.
 Parity None, Even, Odd, Mark, Space
 Data Bit 5, 6, 7, 8
 Stop Bit 1, 1.5, 2
 FIFO Size Internal 128 bytes for each port


 Consumption 1.25 W Max.


 Dimensions (mm) 30 x 115 x 102 (W x L x H)


 Operating Temperature -25 ~ +75 °C
 Storage Temperature -40 ~ +85 °C
 Humidity 10 ~ 90% RH, non-condensing



 I-8142iW-G     CR  2-port Isolated RS-422/485 Module (RoHS) 1