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Amazon.com: StarTech.com 2-Port HDMI Automatic Video Switch - 4K 2x1 HDMI Switch with Fast Switching, Auto-Sensing and Serial Control (VS221HD4KA) : Electronics
Amazon.com: Suckoo Serial DB9Pin RS232 Switch Splitter 2 in 1 Out 1 in 2 Out : Electronics
Serial Switch Control Board, Parallel Connected 64 Units DC24V ABS 6 Instructions Relay Control Module for Electronics: Amazon.com: Industrial & Scientific
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Amazon.com: 10FT USB Console Cable for Cisco Juniper Router Switch FTDI Chip USB to RS232 RJ45 Console Serial Cable for Windows 8, 7, Vista, Mac, Linux (10FT) : Electronics
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Amazon.com: Century Accessory DB 9 Pin Male Female Connectors Serial Network Sharing 4 Port RS232 Switch : Electronics
Amazon.com: OLYCOM One Pair Serial to Fiber Converter RS232 RS485 RS422 Optic Modem 1310nm SC Connector Dual Fiber for PC Hub Switch : Electronics
Relay Module, Easy to Use Serial Port Remote Control Switch Compact Size Multifunction for (with Casing): Amazon.com: Industrial & Scientific
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Amazon.com: Futheda DB9 to RJ45 Console Cable RJ45 to RS232 DB9 9-Pin Serial Port Female to RJ45 Male Cat5 Ethernet LAN Rollover Console Cable Switch Line 4.6FT / 1.4M : Electronics
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Amazon.com: USB Console Cable USB to RJ45 Serial Port Connection Cable Router/Switch Basic Accessory 2Pack : Electronics
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Amazon.com: Delock Serial Switch RS-232 4-port manual - Switch - 4 x seriell : Electronics
DC 12V Relay Module, RS232 Interface Serial Port Remote Control Switch Multifunctional with LED Indicator 8-Channel Relay Board for Remote Control System, Smart Home(with Shell): Amazon.com: Tools & Home Improvement
Amazon.com: Tripp Lite Serial Server Interface Unit/Module for B064-Series Cat5 KVM Switches (B055-001-SER) : Electronics
Amazon.com: 4 Switch Output 2DI+2AI+4DO RS232 ModBus RTU I/O Network Modules with Serial Port MA02-AACX2240 IOT Stability Watchdog for PLC : Electronics
Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/ Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB-SERIAL) : Electronics
Amazon.com: RS232 Splitter, DTECH 4 Port Serial Expansion Box 1x4 COM Port Expander with Power Adapter for Sharing PCs and Capture Data : Electronics
