Parallels Desktop for Mac Enterprise Edition - Subscription license (9 months) - 1 user - Mac
Add a Centronics parallel port to your desktop or laptop PC through USB
The PEX1S1P952 1S1P Native PCI Express Parallel/Serial Combo Card with 16950 UART turns a PCI Express slot into 1 RS232 (DB9) serial, and 1 parallel port.
The PCI-D9-02 2-Port DB9 Serial PCI Express Card adds two DB9 serial ports to your computer or server.
Add a Null Modem RS232 serial port to your laptop or desktop computer through USB
If you need to connect a PDA, digital camera, modem or an ISDN terminal with a serial port to your laptop or tablet, then Tripp Lite's U209-005-DB25 USB-to-Serial Cable Adapter is a great choice.
Add an RS-232 serial port to your laptop or desktop computer through USB; features COM port retention
USB 1.1 Serial Adapter that links USB and non-USB computers and peripherals. This adapter has USB Type A male to DB9 male connectors.
An 8-port RS-232/422/485 serial hub with DB9 connectors.
Reliable alternative to serial cards that offers an easy solution for adding COM ports to a laptop, thin client or legacy-free PC to connect serial and USB peripheral devices.
Add 4 DIN Rail-mountable RS232 Serial ports to any system through USB
Add 8 DIN Rail-mountable RS232 Serial ports to any system through USB
A 4-port RS-232 serial hub with DB9 connectors and USB interface.
An 8-port RS-232 serial hub with DB9 connectors and USB interface.
Easily convert an RS232 serial signal (-12 to +12V) to a transistor-transistor logic signal (0 to +5V)
Add four RS232 serial ports to any notebook or desktop computer using a single USB port
The ICUSB232SM3 3ft USB to Serial Adapter Cable lets you connect DB9 RS232 serial devices to your Mac or PC laptop or desktop computer through an available USB port, as though the computer offered an onboard DB9M connector.
Add an RS232 serial port to your laptop or desktop computer through USB
Add an RS232 serial port to your Android smartphone or tablet device through Micro USB with USB charging capabilities
C2G 2ft USB to 2-Port DB9 Serial Adapter Cable - Serial adapter - USB - RS-232 x 2 - gray
Add an RS232 serial port to any system with an available USB motherboard header
Convert a Single USB Port into 16 RS232 Serial Ports in a Hardened Industrial-grade Rack-mountable Chassis