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USB Type B to Serial DB9 Adapter Cable
 
USB Type B to Serial DB9 Adapter Cable
Convert DB9 serial connection devices to USB connection with this adapter.
Keyspan 4-Port USB Serial Adapter (USA-49WG)
 
Keyspan 4-Port USB Serial Adapter (USA-49WG)
The 4-Port USB Serial Adapter from Keyspan makes it easy to connect four RS-232 serial devices to a USB port on a PC or Mac.
Socket Shielded USB to Serial Adapter 20Pk
 
Quatech USB Serial Adapter, USB 2.0, 2 port RS-232
 
Quatech USB Serial Adapter, USB 2.0, 2 port RS-232
Get standard COM ports without software changes. Quatech High Speed USB 2.0 USB Serial Adapters add reliable, high-speed serial ports and are bus-powered for convenience.
Perle Systems Perle UltraPort USB4 - Serial adapter - USB - RS-232 - 4 ports
 
Quatech USB Serial Adapter, USB 2.0, 1 port RS-232/422/485 optical isolation
 
Quatech USB Serial Adapter, USB 2.0, 1 port RS-232/422/485 optical isolation
Get standard COM ports without software changes. Quatech High Speed USB 2.0 USB Serial Adapters add reliable, high-speed serial ports and are bus-powered for convenience.
Quatech USB 2.0 SERIAL ADAPTER, 8 PORT
 
Socket 20PK SHIELDED USB-TO-SERIAL ADAPTER
 
Comtrol Corp. Comtrol RocketPort USB Serial Hub III - serial adapter - 8 ports (98296-8)
 
Comtrol Corp. Comtrol RocketPort USB Serial Hub III - serial adapter - 8 ports (98...
The RocketPort USB Serial Hub III is a USB-attached 8-port serial expansion device for PC-based servers and client computers.
Digi International DIGI - SERIAL ADAPTER - USB - RS-232, RS-422, RS-485 - 8 PORTS
 
Digi International Digi EDGEPORT 8 SERIAL ADAPTER USB RS-232 - 8 PORTS
 
Digi International Digi EDGEPORT 8 SERIAL ADAPTER USB RS-232 - 8 PORTS
Edgeport provides a simple plug-and-play solution for serial device attachment. It is perfect for point-of-sale, industrial automation, and mobile connectivity applications.
Digi International Digi Edgeport 8r - Serial adapter - USB - RS-232 - 8 ports
 
Digi International 4 Ports DB-9/DB-25/RJ-45 USB Serial adapter (301-1000-94)
 
APC USB to Apple Serial Adapter 2-Port, USB-A MALE TO (2) MD8 FEMALES
 
APC USB to Apple Serial Adapter 2-Port, USB-A MALE TO (2) MD8 FEMALES
Complete line of USB 1.1 and 2.0 Cables, Hubs, and Adapters ensure high speed connectivity with peripherals.
Digi International Edgeport 1 USB - RS-232 Serial adapter - USB-to-Serial Converter - 25-Pack. (301-1001-21)