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Professional Grade Opto-Isolated RS422 Converters

Integrity Instruments designs and manufactures the world’s most advanced RS422 converters available providing error free full-duplex data communication utilizing the standard RS422 protocol. All Integrity Instruments RS422 converters are rated for industrial temperature range (-40C to +85C).  Integrity Instruments XP422-x converters change your RS232 data to RS422 data for point to point transmission, for distances up to 4,000 feet.

Designed for today’s demanding hardware and software systems these state of the art converters feature the latest design technology featuring PSMT and simple connection scheme, for easy to use hassle free operation.


Professional Grade Opto-Isolated RS422 converter features:
• 3KV Optical Isolation
• LED indicators for: power, TX data, and RX data
• Built in termination on TX and RX lines
• RoHS XP422-9A-R

Model Interface Style DTE/DCE Selectable Temperature Documentation Price
XP422-9I RS232 to RS422 DB-9 Jumper Selectable -40°C to +85°C $75.00
XP422-9I-R RS232 to RS422 DB-9 (RoHS) Jumper Selectable -40°C to +85°C $80.00
XP422-25I RS232 to RS422 DB-25 Jumper Selectable -40°C to +85°C $75.00
XP422-DI RS232 to RS422 DIN Configurable -40°C to +85°C $80.00

Model XP422-9xxx
XP422-9I / XP422-9I-R

Model XP422-25I
XP422-25I

Model XP422-DI
XP422-DI

Click images to enlarge
Specifications - Standard Grade RS485 Converters
Distance 1200 Meters
RS422 Connection Models XP422-25I, XP422-9x
7 position screw clamp terminal block
(+V, GND, Shield, TX+, TX-, Rx+, Rx-)
Two twisted pair wiring TX+, TX-, Rx+, RX- signals
422-25AL Terminal Screw Clamp 5.08mm spacing

Model XP422-DA:  Terminal Block Screw Terminals
RS232 Connection  Models XP422-9x:  DB-9
Model XP422-25I:  DB-25
Model XP422-DI:  Terminal Block Screw Terminals
Data Rates 600 bps to 115200 bps
Termination Built in (Internal termination on RX and TX)
EMI Low EMI RS422 driver
Optical Isolation 3000V Isolation
Protection Reverse polarity diode protection
ZNR MOV and TransZorbs® on RS422 data lines
Status LED's Yellow Power, Red Transmit, Green Receive
Power Requirements 7.5 VDC to 24 VDC 45 ma nominal (250 ma dead short) Our PS9J, PS9CST For Din