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8-Port RS-232 USB to Serial Adapter Data Control Box
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USB to 8-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter - Sealevel
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Amazon.com: Serial Splitter 8 Port, DTECH Industrial RS232 Expander COM Port Switch Box with Power Adapter for Sharing PCs and Capture Data - 1x8 : Electronics
8-Port RS-232 USB to Serial Adapter Data Control Box
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RS232 DB9 Manual Switch Box 2 Port - CNC Specialty Store
USB 2.0 Serial RS232 Adapter Box Industrial 8-Port FTDI Chip 921.6Kbps | Cooldrives
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2 / 4 / 8 Port RS232 Serial Splitter Switch Box With Power Adapter For Sharing | eBay
8-Port RS-232 USB to Serial Adapter Data Control Box
Amazon.com: Serial Splitter 8 Port, DTECH Industrial RS232 Expander COM Port Switch Box with Power Adapter for Sharing PCs and Capture Data - 1x8 : Electronics
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