Introduction

The PEX4S553S 4-Port PCI Express Serial Card lets you add four ESD-Protected RS232 ports, with 5V or 12V selectable power output through a PCI Express slot.

Ideal for industrial environments, this 4-port serial card offers built-in 15KV ESD-protection which helps prevent damage to connected devices in the event of line surges and electro-static discharge.

Plus, for devices that require additional power, the multi-port serial card also has a jumper-selectable 5V or 12V power output option (pin 9) using either the PCIe bus, or through an SP4 connection to your power supply. For added flexibility, the power output can be enabled or disabled on a per-port basis so you choose which ports supply power.

This versatile RS232 card supports high-speed serial data rates up to 921.6 Kbps, and is  compatible with a broad range of operating systems. To maximize installation options, the 4-port card is equipped with a standard profile bracket and includes an optional low profile bracket for installation in small form factor computers. To avoid crowded connections that can occur with fixed/static ports, the card uses a break-out cable which turns a single connector on the card into four flexible RS232 serial ports.

Backed by a StarTech.com lifetime warranty and free lifetime technical support.

Benefits

• Protect your system from damage with integrated ESD Protection
• Communicate efficiently with connected devices with high-speed 921Kbps support
• Avoid crowded connections with the included breakout cable

Features

• 921.6 Kbps max baud rate
• 15KV ESD (Electro-Static Discharge) Surge Protection
• Jumper-selected 5V or 12V power output
• Standard profile bracket installed, low profile included
• 256 Byte FIFO per transmitter and receiver
• Compliant with PCI Express Base Specification, Revision 1.1

Specification

Connector Type(s): PCI Express x1 Male

External Ports: DB-9 (9 pin, D-Sub) Male

Operating Temperature: 0°C to 55°C (32°F to 131°F)

Storage Temperature: -20°C to 85°C (-4°F to 185°F)

Humidity: 5~95% RH

Ports: 4

Interface: Serial

Bus Type: PCI Express

Card Type: Standard Profile (LP bracket incl.)

Port Style: Dongle (Included)

Chipset ID: ASIX - MCS9904

Shipping (Package) Weight: 418 g [14.8 oz]

Serial Protocol: RS-232

Max Baud Rate: 921.6 Kbps

Data Bits: 5, 6, 7, 8, 9

FIFO: 256 Bytes

Flow Control: None, Xon/Xoff, RTS/CTS

Parity: Even, Odd, Mark, Space, None

Stop Bits: 1, 1.5, 2

Surge Protection: 15KV ESD

MTBF: 316,082 Hours

Product Length: 92 mm [3.6 in]

Product Width: 18 mm [0.7 in]

Product Height: 119 mm [4.7 in]

Product Weight: 286 g [10.1 oz]

OS Compatibility: Windows 2000, XP, Vista, 7, 8, 8.1, 10

System and Cable Requirements: Available PCI Express slot

Available SP4 power supply connector (if additional power is required for connected devices)

Included in Package: Serial Card

Breakout Cable

Low Profile Bracket

Driver CD

Instruction Manual