SIIG USB to RS-232 serial adapter cable showing full cable length with USB Type-A and DB-9 connectors

Industrial-Grade USB to RS-232 Connectivity Solution

The SIIG USB to RS-232 cable provides reliable serial connectivity through a robust design built for industrial applications. With its reinforced cable construction and durable connectors, this adapter ensures consistent data transfer between modern USB devices and legacy RS-232 equipment. The integrated strain relief and industrial-grade components make it ideal for demanding environments where reliability is crucial.

Technical Specifications

  • 230 Kbps data transfer rate for efficient communication
  • Built-in 512 byte FIFO buffers for smooth data flow
  • 15KV ESD protection for industrial reliability

Applications

  • CNC machine integration with modern computers
  • Industrial printer connectivity solutions
  • Legacy equipment modernization projects
Close-up view of SIIG adapter's DB-9 RS-232 connector with mounting screws and strain relief

Enhanced RS-232 Port with Industrial Protection

The DB-9 serial connector features robust construction with metal housing and secure mounting screws. The reinforced design protects against connection stress while providing reliable data transmission. Industrial-grade components ensure consistent performance in manufacturing and automation environments.

Technical Specifications

  • 9-pin DB-9 RS-232 serial interface
  • Metal housing for enhanced durability
  • Secure mounting screws for stable connection

Applications

  • Industrial automation system integration
  • Manufacturing equipment connectivity
  • Process control system setup
Close-up of SIIG adapter's USB Type-A connector showing strain relief and construction

USB Interface with Plug-and-Play Functionality

The USB Type-A connector provides simple plug-and-play operation with modern computers. Built-in strain relief and reinforced construction ensure reliable connectivity in industrial settings. The USB interface delivers both data and power, eliminating the need for external power supplies.

Technical Specifications

  • USB 1.1 compliant interface
  • Bus-powered operation
  • Integrated strain relief design

Applications

  • Quick deployment in industrial settings
  • Mobile diagnostic equipment setup
  • Temporary equipment connections
Diagram showing SIIG adapter connecting PC and laptop to various industrial devices including CNC machine and network switch

Universal Legacy Device Compatibility

Connect modern computers seamlessly with a wide range of RS-232 industrial equipment. From CNC machines to network switches, this adapter bridges the technology gap between contemporary and legacy systems. The versatile interface supports various industrial applications while maintaining reliable data communication.

Technical Specifications

  • Wide device compatibility range
  • Support for multiple industrial protocols
  • Universal Windows compatibility

Applications

  • Industrial equipment integration
  • Legacy system modernization
  • Cross-platform connectivity solutions
Product diagram highlighting 230Kbps speed, 15KV protection, and USB to RS-232 conversion features

High-Performance Industrial Specifications

Advanced features including 230Kbps data transfer rate and 15KV ESD protection ensure reliable operation in industrial environments. The adapter maintains consistent performance while protecting connected equipment from electrical damage. Purpose-built for industrial applications requiring dependable serial communication.

Technical Specifications

  • 230 Kbps maximum data rate
  • 15KV ESD protection circuit
  • Industrial-grade signal integrity

Applications

  • High-speed data acquisition
  • Protected industrial communications
  • Reliable equipment monitoring
Complete SIIG USB to RS-232 adapter package contents including cable, software CD, and documentation

Complete Industrial Connectivity Kit

Professional package includes the industrial-grade adapter, driver software, and detailed documentation. Ready for immediate deployment in industrial settings with everything needed for quick setup. The comprehensive solution ensures proper installation and operation in critical applications.

Technical Specifications

  • Complete installation package
  • Includes driver software CD
  • Professional documentation included

Applications

  • Rapid industrial deployment
  • System integration projects
  • Professional installations

Product details

General Information
Manufacturer

SIIG, Inc

Manufacturer Part Number

ID-SC0211-S2

Brand Name

SIIG

Product Name

1-Port Industrial USB to RS-232 Cable

Product Type

Data Transfer Cable

Technical Information
Cable Type

Serial/USB

Connector Type on First End

USB 1.1 Type A - Male

Connector on First End Details

1 x 4-pin USB 1.1 Type A - Male

Connector Type on Second End

DB-9 RS-232 Serial - Male

Connector on Second End Details

1 x 9-pin DB-9 RS-232 Serial - Male

Device Supported

Modem
PDA
Barcode Scanner
Label/Receipt Printer
ISDN Termination Adapter

Data Transfer Rate

230 kbit/s

Physical Characteristics
Product Color

Black

Weight (Approximate)

0.16 lb

Miscellaneous
Environmentally Friendly

Yes

Environmental Certification

RoHS

Country of Origin

China

Warranty
Limited Warranty

2 Year

Included in the Box

  • icon_list|usb to rs-232 cable|USB to RS-232 Cable Main cable icon

    USB to RS-232 Cable

FAQs

What is the main purpose of the SIIG ID-SC0211-S2 USB to RS-232 Cable?
The SIIG ID-SC0211-S2 converts a USB Type-A port into a 9-Pin RS-232 serial port on Windows computers. It's designed to enable connection with RS-232 serial devices such as modems, PDAs, barcode scanners, label printers, and ISDN terminal adapters, allowing data transfer rates up to 230Kbps.
What is the maximum data transfer rate of this cable?
This cable supports a maximum data transfer rate of 230 kbit/s (230Kbps), operating under USB 1.1 specifications. This speed is suitable for most serial communication needs with RS-232 devices.
What devices are compatible with this USB to RS-232 cable?
The cable is compatible with multiple RS-232 serial devices including: modems, PDAs, barcode scanners, label/receipt printers, and ISDN termination adapters. It's designed to work with Windows computers equipped with USB ports.
Does this cable require external power?
No, the cable doesn't require an external power adapter. It's powered directly through the USB bus (USB port) of your computer, making it a convenient plug-and-play solution for serial device connectivity.
What protection features does this cable include?
The cable features built-in 512 byte FIFO buffers and 15KV DC ESD (Electrostatic Discharge) serial interface protection. These features help ensure reliable data transfer and protect connected devices from electrical damage.

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