Multi-protocol serial port expansion tool, one port to four ports free combination
This USB-based function conversion motherboard converts 1 to 4 serial port outputs via a USB 2.0 interface. It supports flexible combinations of RS232, RS485, RS422, and other protocols to meet the communication needs of diverse devices. Featuring a compact 70×79mm design, it supports a variety of interface types (DB9, pin, and Phoenix connector) for flexible configuration. The default I/O configuration is 2-way DB9 RS232 + 2-way 422/485 Phoenix connectors, and it also supports TTL function expansion. Compatible with Windows 7/10/11 and domestic Kirin OS and UOS systems, it is widely applicable in various industries, including industrial control, communications, smart terminals, and embedded devices.
Dimensions
Ordering information
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Sales model |
Description |
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AOS-USB-TO-4x232-485-422 |
USB connector to 4*RS232 (2*DB9+2*pin/4*RS232 pin), also optional with 422/485 |
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USB connector to 4*RS485 (2*Phoenix socket/2*pin), also optional with 422/232 |
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USB pin to 4*RS422 (2*Phoenix socket/2*pin), also optional with 485/232 |
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I/O default: 2* RS232 DB9+2*422/485 Phoenix terminal+2* TTL (mainboard built-in pin optional) |
Application field
Industrial computer, industrial tablet computer, self-service terminal, all-in-one machine, medical, digital signage, POS cash register, etc.
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