Serial Cards & Adapters
If you're looking for a simple, cost-effective way to connect serial devices in your industrial application or server room, our Serial Cards and Adapters make it easy to add Serial ports (RS-232, RS-422, RS-485 etc.) to your computer through common expansion ports such as PCI and PCI Express, as well as through USB.Filter by:
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16-Port Low-Profile Serial Card - RS232 - PCI Express
Add 16 RS232 serial ports (DB9) to your low or full-profile computer, through a PCI Express slot
13+ In stock
In stock
US: 12 | CA: 1
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2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems
Add two RS232 Serial Ports, and one Parallel Port to an Embedded System, through a mini PCI-Express Slot
95+ In stock
In stock
US: 79 | CA: 16
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2 Port ISA RS232 Serial Adapter Card with 16550 UART
Add 2 RS232 ports to legacy computer systems through an ISA slot
2 Port Native ExpressCard RS232 Serial Adapter Card with 16950 UART
Add 2 high-speed RS-232 Serial ports to your notebook computer via an ExpressCard slot
1+ In stock
In stock
US: 0 | CA: 1
In stock
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4 Port RS232 PCI Serial Card Adapter with Power Output
Add 4 RS232 serial ports with 5V or 12V selectable power output to your computer, through a PCI slot
1S1P Native PCI Express Parallel Serial Combo Card with 16950 UART
Add a parallel and serial port through a standard or low-profile PCI Express slot
1+ In stock
In stock
US: 0 | CA: 1
In stock
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2 Port PCI Express RS232 Serial Adapter Card with 16950 UART
Add 2 RS232 serial ports to your standard or small form factor computer through a PCI Express expansion slot
4 Port Low Profile Native RS232 PCI Express Serial Card with 16950 UART
Add 4 high-speed RS-232 serial ports to your PC through a low profile PCI Express expansion slot
RS232 to TTL Serial Converter - DB9, F/M
Easily convert an RS232 serial signal (-12 to +12V) to a transistor-transistor logic signal (0 to +5V)
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