4 Port RS422/485 Low Profile PCI Express Serial Port Card - PX-335 - Brainboxes

Low profile PCI Express Card providing four RS422/485 serial ports.. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8.

PX-335-datasheet (0.72 MB)

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Additional Info

Customer Feedback

…I would recommend a BrainBoxes PCI Express card or PCMCIA card. Brainboxes seems to be a forward-thinking company that has very strong driver support across its entire range, including some products more than 10 years old.
Tim Long

We have been using your PCIe 4 port serial cards for many years now. Never had any issues, highly recommended.
Clavis

Great products and brilliant to see still manufactured in UK
AI Automation

Fantastic job keep up the good work!
Vibra-Technics

I've purchased a number of these now and haven't had a problem with any of them.
Somfy Projects

Brainboxes are great products. Very stable & reliable.
Winner Hotel Software

Efficient and fast
Grid Edge Ltd

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Operating Systems

Tech Spec

Serial Port
Ports	4
Protocol	RS422/485
Connector	DB9 Connector - 9 Pin Male
UART	Oxford 950
UART Compatibility	16750/16550/16450 backwards compatibile
Tx FIFO Size	128
Rx FIFO Size	128
Operating Distance	RS422/485 Standard (4000 ft : 1200 metres)
Cable	4 port cable (44 way D to 4x9 Pin)
Serial Port Settings
Max Baud Rate	921,600
Data Bits	5,6,7 or 8
Parity	Odd, Even, None, Mark or Space
Stop Bits	1, 1.5 or 2
Flow Control	RTS/CTS, DSR/DTR, XON/XOFF
Tx/Rx Modes	Full Duplex, Half Duplex Autogating - Hardware Autogating
General
PCB Layers	4
Form Factor	Low Profile
Includes Printer Port	No
Galvanic Isolation	No
Power Consumption	400mA @ 3.3V
Product Weight	0.071 kg
Product Dimensions	156(l) x 18(w) x 80(h) mm
Packaged Weight	0.631 kg
Packaged Dimensions	200(l) x 135(w) x 80(h) mm
GTIN (barcode)	837324009941
Operating System Compatibility
Operating Systems	Microsoft Windows 10 Microsoft Windows 8 32 bit & 64 bit Editions Microsoft Windows 7 32 bit & 64 bit Editions Windows Server 2008 32 bit & 64 bit Editions Windows Vista 32 bit & 64 bit Editions Windows XP 32 bit & 64 bit Editions Microsoft Windows 2000
Interface
PCI Express x1, x4, x8 & x16 lane slots	PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCI-E or PCIe, is a computer expansion card standard introduced by Intel in 2004. All Brainboxes PX cards are PCI Express Base Specification 1.1 Compliant.

Approvals

Microsoft Signed Drivers

Microsoft Hardware

Other

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