American Portwell Technology Inc. Datasheets for Serial Communications Computer Boards

Serial communications computer boards are boards or ports that transmit data by sending the bits one after the other over a single wire.
Serial Communications Computer Boards: Learn more

Product Name Notes
Dual port asynchronous optically isolated RS-422/485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-422 and RS-485 protocols with auto control for...
Dual-port, asynchronous RS-232 serial communications card that can be installed in any 3.3V or 5V PCI slot in PC computers. Supports RS-232 under all OS at baud rates up to...
Dual-port, asynchronous RS-232/422/485 serial communications card that can be installed in any 3.3V or 5V PCI slot in PC computers. Supports RS-232, RS-422 and RS-485 protocols with auto control for...
Dual-port, asynchronous RS-422/485 serial communications card that can be installed in any 3.3V or 5V PCI slot in PC computers. Supports RS-422 and RS-485 protocols with auto control for RS-485...
Four-port, asynchronous RS-422 serial communications card designed for use in PCI-Bus computers with half card 3.3V or 5V slots at baud rates up to 460.8Kbps.
Four-port, asynchronous serial communications card designed for use in PCI-Bus systems
Four-port, optically isolated asynchronous RS-422 serial communications card designed for use in PCI-Bus computers with 3.3V or 5V slots at baud rates up to 460.8Kbps. Fits in any slot that...
Four-port, optically isolated asynchronous RS-485 serial communications card designed for use in PCI-Bus computers with 3.3V or 5V slots at baud rates up to 460.8Kbps. Fits in any slot that...
Low Profile Eight-port asynchronous RS-232 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-232 protocol under all OS at baud rates up...
Low Profile Eight-port asynchronous RS-232/422/485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-232/422/485 protocol on any individual port with auto RS-485...
Low Profile Eight-port asynchronous RS-422 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-422 protocol under all OS at baud rates up...
Low Profile Eight-port asynchronous RS-485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-485 protocol with auto RS-485 control under all OS...
Low Profile Quad-port asynchronous RS-232/422/485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-232, RS-422 and RS-485 protocols with auto control for...
Low Profile Quad-port asynchronous RS-232serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-232 protocol under all OS at baud rates up to...
Low Profile single port asynchronous serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-422 and RS-485 protocols with auto control for RS-485...
Quad-port, asynchronous RS-232 serial communications card that can be installed in any 3.3V or 5V PCI slot in PC computers. Supports RS-232 under all OS at baud rates up to...
Single port asynchronous optically isolated RS-422/485 serial communication card that can be installed in any 3.3V or 5V PCI slot computer. Supports RS-422 and RS-485 protocols with auto control for...