2-Port PCIe RS232/422/485 Serial Card
Add two independently configurable DB9 serial ports to a desktop computer, with RS232, RS422 and RS485 modes, up to 921.6Kbps and optional power on pin 9.
Key features
Three serial standards
Configure each port independently for RS232, RS422 or RS485 communication to support a broad range of legacy and industrial devices.
High-speed ASIX controller
The AX99100 chipset supports up to 921.6Kbps per port with a 256-byte FIFO buffer.
Selectable pin-9 power
Provide 12V, 5V or no power on pin 9 for compatible equipment when the card is connected to a suitable SATA power source.
Full- and low-profile installation
The package includes a standard-profile bracket and two low-profile brackets for compatible computer chassis.
What to know
Independent port configuration
Use different serial modes on the two ports to connect mixed RS232, RS422 or RS485 equipment from one PCIe card.
Deployment protection and control
Configurable data format, hardware or software flow control and listed ESD protection help suit industrial, POS and laboratory environments.
Australian version with official StarTech.com warranty
2-Year manufacturer warranty
This is the Australian version supplied by DeviceDeal and is covered by a two-year official StarTech.com manufacturer warranty in Australia. Keep your DeviceDeal invoice as proof of purchase. Warranty coverage and claims are subject to StarTech.com warranty terms and product assessment.
StarTech 2S232422485-PC-CARD FAQ
Which serial standards does the card support?
Each of the two ports can be independently configured for RS232, RS422 or RS485 communication.
What is the maximum baud rate?
Each port supports a listed maximum of 921.6Kbps.
Can the two ports use different serial modes?
Yes. The ports are independently configurable, allowing different supported serial standards to be used at the same time.
Can the card provide power through the DB9 connector?
Yes. Pin 9 can provide 12V at 1.5A, 5V at 1.5A or no power per port when a suitable SATA power source is connected.
Which controller is used?
The card uses the ASIX AX99100 controller.
Will it fit a low-profile computer?
Yes. Two low-profile brackets are included along with the standard-profile bracket.
Which operating systems are supported?
StarTech lists compatible Windows and Linux environments; verify current driver support for the intended system.
What warranty covers the 2S232422485-PC-CARD?
This Australian-version product is covered by a two-year official StarTech.com manufacturer warranty in Australia. Keep the DeviceDeal invoice as proof of purchase; claims remain subject to StarTech.com terms and assessment.
