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4 Port RS-232 Ethernet to Serial Device Server 
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Recommended for demanding flow control and latency applications such as CNC/DNC machine communications 
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Serial Port Tunnelling allows serial cable replacement over any distance, no software required 
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IP-30 rated steel enclosure 
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Data rate from 110 to 1,000,000 baud (1 MegaBaud) 
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Install Virtual Com ports, communicate over TCP/IP or use the Software APIs for Visual Basic, C# and more