StarTech PS74ADF-SERIAL-CARD 4-Port Serial DB9 RS232 422 485 Adapter PCIe Card

4-Port Serial PCIe Card, Quad-Port PCI Express to RS232/RS422/RS485 (DB9) Serial Card, Low-Profile Bracket Incl., 16C1050 UART, Windows/Linux, TAA Compliant - Level-4 ESD ProtectionAdd four RS-232, RS-422, or RS-485-capable DB9 Serial Ports to a desktop computer via PCIe x1 Expansion CardProduct ID: PS74ADF-SERIAL-CARD.. Warranty Information Warranty 2 Years Connector(s) Connector Type(s) 1 - PCI Express x1 External Ports 4 - 9 pin D-Sub (DB-9) Male Environmental Operating Temperature 0°C to 70°C (32°F to 158°F) Storage Temperature -20°C to 80°C (-4°F to 176°F) Humidity 20% ~ 80% RH Hardware Ports 4 Interface Serial Bus Type PCI Express Card Type Standard Profile (LP bracket incl.) Port Style Integrated on Card Industry Standards PCI Express Version 2.0 x1 Chipset ID ASIX - AX99100 Indicators LED Indicators 4 - Data Receive LED: Flash Green to show activity 4 - Data Transmit LED: Flash Yellow to show activity Packaging Informa