LAN ⇔ RS-422/RS-485 conversion (RJ45 connector type) interface converter
● An RJ45 connector is used on the RS-422/485 side, allowing RS-422/485 wiring with a standard LAN cable. ● High-voltage isolation between LAN and RS-422/485 is provided by an optocoupler. ● Automatic detection and connection of 10Base-T/100Base-TX. ● Supports many protocols including TCP/IP, UDP/IP, and ARP. ● RS-485 automatic communication control utilizing flow control. ● Up to 128 devices can be connected using the RS-485 multi-drop method. ● Wide input power supply compatible with DC5V to DC30V. ● Compact and robust metal housing the size of a business card, requiring minimal installation space. ● Options available for 35mm DIN rail mounting or wall mounting.
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basic information
The SI-65i-RJ is an interface converter (serial-to-LAN conversion adapter) that connects control devices and measuring instruments with only RS-422/RS-485 serial communication ports to an Ethernet LAN. It incorporates a Lantronix XPort in the LAN interface section, converting RS-422/RS-485 communication data into LAN protocols such as TCP/IP and sending it to the LAN side, while data from the LAN is transmitted by automatically controlling the RS-485 driver. It is equipped with two RJ45 connectors that allow RS-422/485 connections using standard LAN cables with either straight or crossover wiring, making it easy to wire RS-422/485 via LAN cables. Retaining the features of traditional models, such as a robust metal housing and optional 35mm DIN rail mounting or wall mounting, it adopts an insulated specification (1500Vdc) with high-voltage signal isolation between LAN and RS-422/485 using optocouplers, ensuring safer usage.
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In addition to screw fastening using the M3 screw holes on the base and bottom, it can be mounted on a 35mm DIN rail using optional DIN mounting plates (SI-DIN70) or DIN vertical mounting plates (SI-DIN30S), and it can be securely fastened from the front using wall mounting brackets (SI-WM1). A standard LAN cable can be used on the RS-422/485 side, allowing for easy one-touch connection and expansion of the converter.
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Company information
LINEI Corporation is a venture company established by former members of the electronic device development team at Sekisui Chemical Co., Ltd., with investment from the Sekisui Venture Fund. Since October 2000, the electronic device business of Sekisui Electronics Co., Ltd. has been succeeded by LINEI Corporation. The company is well-known for its user-friendly compact communication measuring instruments in the "LINEI" series and its communication converters in the "SI" series, which offer flexible system compatibility.
