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The MRI-4S/ETHERNET/R is a high-speed RJ45 to 4 port serial hub with 5V power output from DB9 connecter.

Ideal for 56K external modems and ISDN terminal adapters and other high-speed serial port devices.

Key Features:
- Provides 4 Serial Ports over RJ45 Port
- Fully 16C550 UART Compatible
- Provides 4 DB9-Male Connectors
- RS-232 Speed from 300bps to 115.2kbps
- LAN Supports Auto Cross Over feature
- Supports Setup and Connect Passwords
- Provides TCP Server, TCP Client and UDP
- Supports standard Windows Socket Protocol
- Equipped with Wall Mounting Holes

Technical Specifications:
- Port type: 4 x RS232 serial port
- Fully supports for Windows-base software
- Oxford Chipset
- CE (1998) Approval, RoHS Compliant
- Built-in 32-byte FIFO buffers dramatically increase data transmit/receive speed, especially under Windows multitasking environment
- Support for Windows 98/ME/2000/XP/2003
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