STD1918

Product withdrawn from the offer

RS-232 to RS-422/485 serial converter (industrial graded)

Product features

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Features

Industrial grade design for stability and reliability
12V DC Jack & External power 12~48V DC terminal block with reverse polarity protection
Embedded ESD surge protection built-in
Optical isolation provides protection against damage from static electrical charge
Power surge protection provides protection against surge damage from high energy spike
Auto Tune feature provides automatic setup of communication protocol
DIP-switch configuration of DTE or DCE devices for easy connection to serial devices
RS-422/485 Auto Detect and Switch technology enable serial device plug-n-play without jumper or switch setting
RS-485 Auto RTS Signal Control (ARSC) technology allows accurate switching of the transmitter on and off for precise timing of the data transmission
RS-232 to RS-422/485 converter with RTS+/- CTS+/- support
RS-422/485 Handshaking Communication provides hardware flow control for best prevention of data error or data lost
Plug-in screw terminal block for easy RS-422/485 wiring
Detachable wall and DIN-rail mounting kit design
Plug-n-play & compact size designed

Specification
RS-232 Serial Communication
Connector	DB9 Male
Signal Line	Tx, Rx, RTS, CTS, DTR, DSR, DCD, RI, GND
Baud Rate	Auto baud rate detection Up to 460.8 Kbps
Protection	15KV embedded ESD surge protection
RS-422/485 Serial Communication
Connector	Mini Block
RS-422 Signal Line	Tx+, Rx+, Tx-. Rx-, RTS+, CTS+, RTS-, CTS-
RS-485 Signal Line	Data+, Data-, RTS+, CTS+, RTS-, CTS-
RS-422/485 Select	Auto Detect & Switch
RS-485 Control	Auto RTS Signal Control (ARSC)
Baud Rate	Auto baud rate detection RS-422: up to 115.2 Kbps RS-485: up to 460.8 Kbps
Protection	15KV embedded ESD surge protection 600W power surge protection 2.5KV isolation
Power Specification
Input Power	12V DC Jack 12 ~ 48V DC Terminal Block
Power Consumption	< 2.4W = 12V x 200mA
Protection	Reverse polarity protection
LED Indicator
LED Light	Power, TxD, RxD
Hardware
Dimension	120 x 90 x 24 mm
Housing	Aluminum and ABS
Weight	260±5 g
Operating Environment
Operating Temperature	0 ~ 57 �C
Humidity	5 ~ 95% RH
Storage Temperature	-20 ~ 85 �C
Certification
Hardware	CE, FCC (Class B)
Package Content
Product	Sunix STD1918 Converter
Accessories	Wall and DIN-Rail mounting kit
Manual	Sunix user manual
Optional
STD1918	RS-232 to RS-422/485 Converter
STD1918S	RS-232 to RS-422/485 Converter with Surge Protection
STD1918I	RS-232 to RS-422/485 Converter with Isolation Protection
STD1918SI	RS-232 to RS-422/485 Converter with Surge and Isolation Protection
Optional Accessories
12V/1A switch power adaptor