Close-up view of DB9 RS-232 male and female connectors on StarTech.com null modem cable

Enhanced Data Transfer with Dual DB9 RS-232 Connectors

The StarTech.com null modem cable features precision-engineered male and female DB9 RS-232 connectors with nickel plating for optimal signal integrity. The metal shell construction and aluminum mylar shielding work together to provide superior EMI protection, ensuring clean and reliable data transmission between serial devices.

Technical Specifications

  • Nickel-plated DB9 RS-232 connectors for corrosion resistance
  • Metal shell construction for durability
  • 7-conductor design for complete null modem functionality

Applications

  • Serial device communication in industrial environments
  • Legacy equipment connectivity in manufacturing
  • Data acquisition system integration
Detail of cable strain relief and thumbscrew mechanism on DB9 connector

Secure Connection with Integrated Strain Relief

Featuring robust strain relief and thumbscrew locks, this cable ensures a stable connection that won't come loose during critical data transfers. The molded PVC construction combines flexibility with durability, while the ribbed design provides enhanced grip for easy handling and installation.

Technical Specifications

  • Integrated strain relief prevents cable damage
  • Thumbscrew locks for secure attachment
  • Molded PVC construction for durability

Applications

  • Permanent installations in server rooms
  • Mobile diagnostic equipment setups
  • Industrial control system connections
Side view of DB9 connectors showing EMI protection features

EMI-Protected Design for Clear Signal Transmission

The specialized connector housing incorporates advanced EMI protection features, ensuring signal integrity in electrically noisy environments. The shielded design effectively blocks external interference while maintaining consistent data flow between connected devices.

Technical Specifications

  • Aluminum mylar foil shielding for EMI protection
  • 28 AWG conductor specification
  • Complete connector shielding

Applications

  • Industrial automation systems
  • Medical equipment connectivity
  • Laboratory instrument communication
Detailed front view of DB9 RS-232 connector pair showing pin configuration

Premium Build Quality for Industrial Applications

Each connector features precision-engineered pins and contacts, ensuring reliable connectivity for mission-critical applications. The professional-grade construction includes metal housing and high-quality internal components designed for long-term reliability in demanding environments.

Technical Specifications

  • Industrial-grade metal connector housing
  • Precision-engineered pin alignment
  • Professional-grade internal components

Applications

  • CNC machine connectivity
  • Process control equipment
  • Testing and measurement systems
Full length view of coiled null modem cable showing flexibility

Flexible 9.84ft Cable for Optimal Setup Configuration

The generous 9.84-foot length provides ample reach for various installation scenarios while maintaining signal integrity. The cable's flexible design and bend-resistant construction allow for easy routing through complex setups without compromising performance or durability.

Technical Specifications

  • 9.84ft (3m) total cable length
  • Bend-resistant cable construction
  • RoHS compliant materials

Applications

  • Extended reach installations
  • Complex equipment configurations
  • Flexible workspace setups

Product details

General Information
Manufacturer

StarTech.com

Manufacturer Part Number

9FMNM-3M-RS232-CABLE

Brand Name

StarTech.com

Product Name

Null Modem Serial Cable F/M

Product Type

Data Transfer Cable

Technical Information
Cable Type

Serial

Cable Length

9.84 ft

Connector Type on First End

DB-9 RS-232 - Male

Connector Gender on First End

Male

Connector on First End Details

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

Connector Type on Second End

DB-9 RS-232 - Female

Connector Gender on Second End

Female

Connector on Second End Details

1 x 9-pin DB-9 RS-232 - Female

Connector Plating

Nickel

Features

EMI Protection
Flexible
Strain Relief
Damage Resistant
Bend Resistant
Screw Lock

Shielding

Yes

Device Supported

Modem

American Wire Gauge

28 AWG

Number of Conductors

7

Physical Characteristics
Product Color

Black

Connector Material

Metal
Molded Polyvinyl Chloride (PVC)

Shielding Material

Aluminum Mylar Foil

Jacket Material

Polyvinyl Chloride (PVC)

Miscellaneous
Country of Origin

China

Warranty
Limited Warranty

Lifetime

FAQs

What is the length and connectivity type of this StarTech.com null modem cable?
This StarTech.com null modem cable is 9.84 feet (3 meters) long and features a DB-9 RS-232 male connector on one end and a DB-9 RS-232 female connector on the other end. The cable is designed for serial data transfer connections between compatible devices.
What protective features does this serial cable include?
The cable includes multiple protective features: EMI (Electromagnetic Interference) protection through high-quality shielded metal shell connectors and aluminum mylar cable shielding, strain relief, damage resistance, and bend resistance. It also features screw locks to prevent accidental disconnection and potential data loss.
What materials are used in the construction of this cable?
The cable features metal and molded PVC connectors, aluminum mylar foil shielding, and a PVC jacket. The connectors have nickel plating, and the cable uses 28 AWG conductors. These materials ensure durability while providing effective shielding against interference.
What is the warranty coverage for this StarTech.com cable?
This StarTech.com cable comes with a lifetime warranty and includes free 24/5 multi-lingual technical assistance. This comprehensive warranty coverage demonstrates StarTech.com's confidence in the product's quality and durability.
How many conductors does this cable have and what is the wire gauge?
This null modem serial cable features 7 conductors and uses 28 AWG (American Wire Gauge) wire. This specification ensures proper data transmission while maintaining cable flexibility and durability.

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