Serial/Parallel Adapters

Adds two RS-232 serial ports and one parallel port to a PCI Express enabled system

Adds one RS-232 serial port and one parallel port to a PCI Express enabled system

SIIG's 8-Port Industrial USB to RS-232 Serial Adapter Hub is a professional grade USB plug-and-play adapter hub designed to add 8 high speed RS-232 serial ports to desktop or notebook computers. This professional grade USB to serial adapter hub supports USB 2.0 data transfer rates up to 480Mb/s and serial port data transfer rates up to 921.6 Kb/s. It features built-in 512 byte FIFO buffer, software flow control, and 15KV DC ESD serial interface protection.

SIIG's 4-port Industrial USB to 422/485 Serial Adapter with 3KV Isolation is a high quality industrial USB plug-and-play adapter designed to add four RS-422/485 ports to desktop or notebook computers. This industrial USB to serial adapter supports serial port data transfer rates up to 230 Kb/s. It features built-in 4KB FIFO buffer, auto data flow control, 15KV DC ESD serial interface protection, and 3KV optical isolation to protect the unit from ground loop noise and unforeseen power surges.

SIIG's DP CyberParallel Dual PCIe is designed to add two high-speed parallel ports (25-pin) to PCI Express-enabled desktop computer. It delivers data transfer rates of up to 1.5MB/s, supports ECP, EPP, PS2 and SPP parallel port modes, and works with PCI Express slots of different lane widths. With the included spare low-profile bracket, this dual-profile adapter can be installed into either standard height or low profile system chassis. It is a cost effective solution enabling you to add extra parallel ports for additional device connections.