Eight-port Models LPCI-COM485/8 and LPCI-COM422/8 support RS485/422 protocols, transfer data at up to 460.8 kbps, and are PCI-X Bus compatible. Measuring 6.6 x 2.21 in., cards install in 3.3 or 5 V PCI/PCI-X slot and operate in Windows OS. Breakout cable provides DB9 connectors for each port. No external breakout box is required.