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StarTech.com 3FT/1M DB9 Male to 3.5mm Male RS-232 Serial Control Cable 9M351M-RS232-CABLE
StarTech.com·MPN: 9M351M-RS232-CABLE

StarTech.com 3FT/1M DB9 Male to 3.5mm Male RS-232 Serial Control Cable 9M351M-RS232-CABLE

The StarTech.com 9M351M-RS232-CABLE is a purpose-built 1-meter (3-foot) serial control cable engineered to reliably connect DB9 control units to 3.5mm-enabled devices for precise RS-232 based configuration and management.

  • Reliable Control: Connects DB9 control units to 3.5mm devices, enabling consistent RS-232 based management for critical AV and digital signage systems.
  • EMI Protection: Features aluminum-mylar cable shielding, mitigating electromagnetic interference for stable and error-free serial communication.
  • Durable Construction: Molded PVC connectors with strain reliefs prevent damage from bending and stress, ensuring long-term cable integrity in demanding environments.
  • Standardized Connectivity: Provides a 1-meter (3-foot) link for remote serial calibration of commercial TVs, projectors, and digital signage, simplifying setup.
$10.45
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Manufacturer Warranty Included

Product Overview

The StarTech.com 9M351M-RS232-CABLE is a 1-meter (3-foot) serial control cable featuring male DB9 and 3.5mm connectors, specifically designed for RS-232 based configuration and management of commercial displays, projectors, and digital signage devices. This essential accessory facilitates precise control over AV equipment, ensuring seamless integration into existing control systems.

Engineered with high-quality aluminum-mylar shielding and durable PVC connectors with strain reliefs, this cable is built for sustained performance in professional environments. It mitigates EMI and resists physical wear, providing a reliable link for critical device calibration and operational commands, thereby reducing the need for frequent replacements.

  • Core Functionality: Enables precise RS-232 based control between DB9 master units and 3.5mm-equipped devices, streamlining the management of commercial AV installations.
  • Enhanced Durability: Features molded PVC connectors and strain reliefs, preventing cable damage from repeated handling and ensuring a longer operational lifespan.
  • Interference Mitigation: Aluminum-mylar shielding protects against electromagnetic interference, guaranteeing stable and error-free serial communication for critical control signals.
  • Broad Compatibility: Purpose-built for remote serial calibration of TVs, projectors, and digital signage that utilize a 3.5mm audio jack for RS-232 input, simplifying device integration.
  • Operational Value: Provides a cost-effective and reliable solution for maintaining consistent control over business-critical displays and projectors, reducing troubleshooting time and operational overhead.

Choose the StarTech.com RS-232 serial control cable for dependable, interference-free device management across your business's AV and digital signage infrastructure.

Technical Specifications

1Performance & Business Impact
RS-232 Serial ControlDB9 Male to 3.5mm Male
EMI ProtectionAluminum-Mylar Shielding
Cable DurabilityMolded PVC Connectors with Strain Relief
Wire Gauge28 AWG
2Connectivity & I/O
Connector 1DB9 Male
Connector 23.5mm Male
Cable Length1 m / 3 ft
3Physical & Environmental
Product ColorBlack
Cable Jacket MaterialPolyvinyl chloride (PVC)
Cable Diameter3.5 mm
Operating Temperature-20 to 60 °C (-4 to 140 °F)
Relative Humidity30 - 75%
4Lifecycle, Warranty & Compliance
WarrantyManufacturer's Limited Lifetime Warranty
Compliance CertificationsRoHS
Sustainability ComplianceYes
In-Box Contents1x DB9 to 3.5mm RS-232 Serial Control Cable
Package Dimensions (W x D x H)128 x 220 x 10 mm / 5.04 x 8.66 x 0.39 inches
Package Weight23 g / 0.05 lbs

Full Specifications

Manufacturer Data
Ports & interfaces7
Connector 1DB-9
Connector 23.5mm
Connector 1 genderMale
Connector 2 genderMale
Connector 1 form factorStraight
Connector 2 form factorStraight
Cable length1 m
Performance3
Product colourBlack
Cable jacket materialPolyvinyl chloride (PVC)
AWG wire size28
Certificates1
Compliance certificatesRoHS
Operational conditions1
Operating temperature (T-T)-20 - 60 °C
Sustainability1
Sustainability complianceYes
Packaging data1
Package width128 mm
Technical details1
Cable diameter3.5 mm
Logistics data1
Products per master (outer) case200 pc(s)
Downloads1
Product Datasheet73 KB
Download

What This Solves

Centralized AV System Control

Many businesses operate multiple displays and projectors across their facilities, requiring efficient management from a single point. This cable enables IT teams to connect DB9-based control systems to 3.5mm-equipped AV devices, allowing for centralized power, input, and calibration adjustments without manual intervention.

Corporate offices, educational institutions, hospitality venues, conference centers

Digital Signage Configuration

Retailers and public venues rely on digital signage for dynamic content delivery, which often requires precise calibration and remote management. The cable facilitates RS-232 communication for configuring commercial displays, ensuring consistent branding and operational uptime across distributed signage networks.

Retail chains, franchise operations, public information kiosks, event venues

Projector & Display Calibration

Maintaining optimal image quality and consistent performance for projectors and large displays is crucial for presentations and visual communication. This serial control cable allows technicians to perform remote RS-232 calibration, ensuring accurate color, brightness, and geometry settings for all connected devices.

Training facilities, boardrooms, auditoriums, medical imaging centers

Key Features

DB9 Male to 3.5mm Male Connectors

Provides direct, standardized serial connectivity between control units and modern AV equipment, simplifying integration into existing management systems.

1-Meter (3-Foot) Cable Length

Offers sufficient reach for connecting devices within a rack or across a short distance, providing flexibility in equipment placement without excessive cable clutter.

Aluminum-Mylar Cable Shielding

Mitigates electromagnetic interference (EMI), ensuring stable and error-free data transmission for reliable device control in electrically noisy environments.

Molded PVC Connectors with Strain Relief

Enhances durability by protecting connection points from bending and stress, extending the cable's lifespan and reducing the need for frequent replacements.

PVC Cable Jacket

Provides robust protection for internal conductors, making the cable resilient to wear and tear in commercial installations and high-traffic areas.

Industry Applications

Retail & Hospitality

Used for controlling digital signage, in-room TVs, and projectors in stores, restaurants, and hotels for consistent customer experiences.

Education & Research

Deployed in classrooms and lecture halls for controlling projectors and interactive displays from a central control system, simplifying AV management.

Government & Public Sector

Utilized in command centers, meeting rooms, and public information displays for reliable AV equipment management and operational consistency.

Manufacturing & Industrial

Connects legacy industrial control systems or specialized equipment with serial ports to modern display interfaces for monitoring and diagnostics.

Frequently Asked Questions

What types of devices can I control with this cable?

This cable is designed to control devices such as commercial TVs, projectors, and digital signage that feature a 3.5mm audio jack configured for RS-232 serial input. It connects to a DB9 serial port on your control unit.

Is this cable suitable for all RS-232 applications?

This cable is specifically wired for RS-232 control applications where a DB9 male port connects to a 3.5mm male jack. Always verify the pinout requirements of your specific devices to ensure compatibility.

How does the shielding benefit my setup?

The aluminum-mylar shielding protects the serial signal from electromagnetic interference (EMI) generated by other electronic devices. This ensures reliable and consistent communication, preventing control errors or intermittent device responses.

What is the maximum distance this cable can reliably transmit RS-232 signals?

This 1-meter (3-foot) cable is ideal for short-distance connections. While RS-232 can theoretically extend further, for optimal reliability and to avoid signal degradation, especially in commercial environments, it is best used for its intended short-range control applications.

Warranty & Returns

Manufacturer Warranty

Lifetime

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

$10.45