Startech 2 Port PCI RS232 Serial Board

  • RS Stock No. 179-7992
  • Mfr. Part No. PEX2S553LP
  • Manufacturer Startech
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): TW
Product Details

PEX2S553LP PCI Express Card

The PEX2S553LP low profile/half-height PCI Express Serial Card turns a PCI Express slot into two RS232 (DB9) serial connections.The card is constructed using a native single chip design that lets you harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU by as much as 48% over conventional bridge chip serial cards.The PCI Express RS232 Serial Adapter Card is compatible with a broad range of operating systems, including Windows® 2000/XP/2003/Vista™/Windows 7/Server 2008 R2 (32 and 64-bit), Linux Kernel 2.6.11 to 4.11.x, and ships with a low profile/half-height bracket installed but includes an optional full profile bracket that lets you add 2 serial ports to virtually any computer (regardless of the case form factor).This product is a replacement for our PEX2S552LP card.Backed by a Lifetime warranty and free lifetime technical support.

Features & Benefits

One high speed RS232 serial port with data transfer rate up to 460.8 Kbps Ships with half-height/low profile mounting bracket, includes optional standard profile bracket Single chip design optimizes speed and reliability Native single-chip, single lane PCI Express Selectable power output on pin 9 for the serial port Compliant with PCI Express base specifications revision 1.1a Automated out-of-band flow control using CTS/RTS and DSR/DTR Automated in-band software flow control using programmable Xon/Xoff in both directions 128-byte deep FIFO per transmitter and receiver Native single-Chip, single lane PCI Express 48% less cpu load, and increased performance Pre-configured with half-height mounting bracket for low profile systems, but includes a full profile bracket for versatility Easy to install and use with full step-by-step instructions saves time and hassle


Self service automated machines and kiosks to control serial devices such as scales, touchscreens, magnetic card readers, bar code scanners, receipt printers, label printers Bank teller workstations in either full profile or low profile versions to control their serial devices such as cash drawers, card readers / card swipes, printers, keypads / pin pads, pen pads POS retail applications in grocery stores, and any other retail store to control keyboards, cash drawers, receipt printers, card readers / card swipes, scales, and elevated displays on poles Standard ATM automated teller machines to control keypads, receipt printer, card readers / card swipes, touchscreen LCD's, camera control, etc. Used to control multiple surveillance / security cameras in a parking structure, office building, etc.

Whats in the package?

PCI-Express Serial Card DB9 Ribbon cable Full Profile Bracket Low profile bracket Driver CD Instruction Manual

Attribute Value
Bus Type PCI
Communication Interface Serial
Number of Ports 2
Connection Port RS232
Maximum Baud Rate 460.8kbit/s
FIFO Size 128 B
14 In stock for delivery within 3 working days
Price Each
SGD 77.31
(exc. GST)
SGD 82.72
(inc. GST)
Per unit
1 +