Serial converter that connects from USB port to DB9 device.
The Multi-2/USB supports communication at a maximum speed of 921.6Kbps and features an overrun error prevention function with a 256-byte FIFO. By achieving productization with minimal components, it has reduced costs while simultaneously improving reliability. It is widely compatible with almost all Windows and Linux operating systems. You can choose between two types: RS232 and RS422/RS485 (COMBO). It is ideally designed for environments such as POS, factory automation (FA), and building automation. The Multi-2/USB can supply power from +5V and +12V power sources to external devices via pin 9, enabling bus-powered operation without the need for external power input for barcode readers or receipt printers. It has built-in surge protection of 15,000V, preventing surge currents and port damage, thus providing safer communication. The COMBO type is equipped with hardware for auto toggling functionality, preventing simultaneous transmission of multiple data streams. It helps avoid electrical collisions in environments with multiple connected devices, preventing transfer errors and unstable connection states.
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basic information
Multi-2/USB is equipped with a control function for the slew rate value. It reduces electromagnetic interference and prevents data transmission errors. The maximum communication speed when utilizing the slew rate is 250Kbps. - USB to 2-port serial converter (male) - Compatible with USB standards 1.1 and 2.0 - Equipped with 256 byte FIFO - Auto toggling function - features automatic control for RS422/RS485 bus I/O - Maximum transfer speed of 921.6Kbps - ±15kV surge protection - TX/RX LED lights to check communication status
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Applications/Examples of results
Connection from USB port to DB9 device
Line up（5）
| Model number | overview |
|---|---|
| Multi-1/USB RS232 | 1Port USB to RS232 converter |
| Multi-1/USB COMBO | 1Port USB to RS422/485 converter |
| Multi-2/USB RS232 | 2Port USB to RS232 converter |
| Multi-4/USB RS232 | 4Port USB to RS232 converter |
| Multi-4/USB COMBO | 4Port USB to RS422/485 converter |
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Company information
○ Mission To contribute to industrial development and people's lives by aiming for the realization of a comfortable social life based on computer/server networks. ○ Management Philosophy - A company that coexists with society and is trusted by society - Relentlessly challenges to improve engineering technology and leads the industry - Aims to bring change to the market, uncover necessity, and strives for self-transformation towards progress - Aims to cultivate people, utilize their strengths, and create a vibrant company
