This 4 Port USB to RS232 Serial Hub lets you connect up to four RS232 serial devices to your Mac or PC laptop or desktop computer through a single USB port, as though the computer offered built-on DB9M serial connectors.

The RS232 Serial Hub is compactly designed to preserve valuable workspace, and is bus-powered to eliminate the need for an external power adapter.

A cost-effective solution that bridges the compatibility gap between modern USB-capable computers and legacy RS232 serial peripherals, this dependable USB/RS232 Serial Adapter hub is backed by's Lifetime Warranty.


  • Connect modems, digitizer tablets, mice, bar code scanners, GPS receivers, ISDN terminal adapters, mobile phones, scanners, UPSes and POS equipment to your system
  • Connect and program LED and Digital signage boards with serial communication ports

The Advantage

  • Add four additional RS-232 serial ports to any computer with a free USB port
  • Provides serial connectivity to legacy free systems lacking RS-232 serial ports
  • Supports wakeup and power management modes


Warranty Information
Warranty Lifetime
Bus Type USB 2.0
Chipset ID FTDI - FT232RL
Industry Standards RS232
USB 1.1
Interface Serial
Port Style External Hub
Ports 4
FIFO 256 Bytes
Max Baud Rate 921.6 Kbps
Serial Protocol RS-232
Connector Type(s) 1 - USB Type-A (4 pin) USB 2.0 Male
External Ports 4 - DB-9 (9 pin, D-Sub) Male
OS Compatibility Windows® CE (4.2, 5.0, 6.0), XP Embedded, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
Mac OS® 10.6 to 10.14
Linux 2.4.x to 4.11.x LTS Versions only
Special Notes / Requirements
System and Cable Requirements One free USB port
Power Consumption (In Watts) 1 ~ 1.5W
Humidity 5~95% RH
Operating Temperature 0°C to 55°C (32°F to 131°F)
Storage Temperature -20 to 85°C (-4 to 185°F)
Physical Characteristics
Cable Length 6 ft [1.8 m]
Enclosure Type Plastic
Product Height 1 in [2.6 cm]
Product Length 5.9 in [15 cm]
Product Width 2.6 in [66.5 mm]
Weight of Product 6.2 oz [175 g]
Packaging Information
Package Height 2.1 in [53 mm]
Package Length 8.7 in [22 cm]
Package Width 5.9 in [15 cm]
Shipping (Package) Weight 13.3 oz [378 g]
What's in the Box
Included in Package 1 - 4 Port Serial Hub
1 - USB Cable
1 - Mounting Bracket
1 - Driver CD
1 - Instruction Manual
Barcode # 65030825177
Brand Startech
Shipping Weight 0.5000kg
Manufacturer Warranty: Limited Product Lifetime Warranty

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