The 4-Port RocketPort Plus uPCI Quad DB9 Serial Adapter from ComtrolĀ® Corporation provides four native serial ports utilizing a single PCI card slot and is compatible with 3.3 and 5.0 Volt PCI bus architectures. The DB9 serial ports support RS-232 serial communications at speeds up to 921 Kbps. Moreover, this serial card features the high-performance RocketPort ASIC chip, consisting of a dedicated 44MHz processor that minimizes host CPU utilization, larger transmit -and -receive buffers and low-end serial
Startech ISA1S550 ISA1S550 Serial ISA Card Serial Adapter
MODEL- CS0400-479 VENDOR- SOCKET FEATURES- Cordless Serial Adapter w/Bluetooth Wireless Technology- Single Sockets Cordless Serial Adapter with Bluetooth Wireless Technology eliminates your convent...
All you need to do is plug in the serial adapter to a serial RS-232 equipment with a DB-9 connection and enjoy the freedom of wireless Bluetooth technology.
The RS-232C Serial Adapter installs into the printer's PCI-based, internal port. It supports a standard RS-232C interface using a 25-pin D-shell female connector. For use with Lexmark printers that contain an open slot.