StarTech.com 4 Port PCIe RS422, RS485, RS232 Serial Card

RS stock no.:: 287-3384
Mfr. Part No.:: PS74ADF-SERIAL-CARD
Manufacturer:: StarTech.com

StarTech.com 4 Port PCIe RS422, RS485, RS232 Serial Card

Subtotal (1 unit)*

R 6 474,82

(exc. VAT)

R 7 446,04

(inc. VAT)

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RS stock no.:: 287-3384
Mfr. Part No.:: PS74ADF-SERIAL-CARD
Manufacturer:: StarTech.com

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	StarTech.com
	Product Type	Serial Card
	Bus Type	PCIe
	Communication Interface	Serial
	Number of Ports	4
	Operating System	Windows Server 2016, Linux, Windows 7
	Connection Port	RS422, RS485, RS232
	Maximum Baud Rate	921.6kbps
	FIFO Size	256bit
	Standards/Approvals	TAA

	Select all
	Brand StarTech.com
	Product Type Serial Card
	Bus Type PCIe
	Communication Interface Serial
	Number of Ports 4
	Operating System Windows Server 2016, Linux, Windows 7
	Connection Port RS422, RS485, RS232
	Maximum Baud Rate 921.6kbps
	FIFO Size 256bit
	Standards/Approvals TAA

COO (Country of Origin):: TW

StarTech Serial Card, 4 Ports, 921.6Kbps Maximum Baud Rate - PS74ADF-SERIAL-CARD

This serial card adds four DB9 serial interfaces to a desktop or small form-factor system for legacy device connectivity. It plugs into a PCIe x1 slot and provides independently configurable ports that support RS-232, RS-422 and 2/4-wire RS-485 signalling. The card includes LEDs for transmit/receive activity, selectable power delivery over pin 9, and compatibility with Windows Server 2016, Windows 7 and Linux.

Features and Benefits:

• 921.6Kbps maximum baud rate enables high-speed serial transfers
• 256 Byte FIFO reduces CPU interrupts during bursts
• Per-port configurable 12V/5V/no-power supports powered peripherals
• On-board DIP switches permit independent protocol selection
• LED activity indicators provide real-time port status

Applications

• Suitable for POS peripherals requiring serial connectivity
• Used with PLCs and factory automation control systems
• Ideal for connecting scientific sensors and oscilloscopes
• Used for medical monitoring stations and legacy modems
• Suitable for security systems such as access panels

Which UART chips does it emulate for driver compatibility?

It is compatible with 16C450, 16C550, 16C650, 16C750 and 16C950 UARTs.

What board-level protections are included against electrostatic discharge?

The card incorporates level-4 ESD protection rated +/-8kV contact, +/-15kV Air and +/-15kV HBM.

How is power supplied for peripherals over pin 9?

Auxiliary SATA power selects per-port modes of 12V at 1.5A, 5V at 1.5A, or no power (RI) via jumpers.

What environmental ranges support deployment in industrial settings?

Operating range is 0°C to 70°C with storage from -20°C to 80°C and humidity tolerance of 20% to 80% RH.