StarTech.com 3M RS232 Null Modem Cable DB9 M/F Shielded 9FMNM-3M-RS232-CABLE
The StarTech.com 3M RS232 Null Modem Cable provides a reliable 3-meter connection for critical serial devices, ensuring consistent data integrity in demanding IT and industrial environments.
- Reliable Connectivity: Establishes a stable 3-meter serial connection between DB9 devices, minimizing signal loss for uninterrupted operations.
- EMI Protection: Features aluminum mylar shielding and metal shell connectors, safeguarding data integrity in electromagnetically noisy environments.
- Flexible Deployment: The 3-meter length allows for versatile placement of serial peripherals, optimizing workspace and equipment layout.
- Durable Construction: Built with a PVC jacket and nickel-plated connectors, ensuring long-term performance and reducing replacement costs.
Product Overview
Product Overview
The StarTech.com 3M RS232 Null Modem Cable (MPN: 9FMNM-3M-RS232-CABLE) is a purpose-built accessory designed for direct serial communication between two DB9 devices over a 3-meter distance. Featuring male and female DB9 connectors, it facilitates essential data exchange for a range of IT and industrial applications.
Engineered with 28 AWG tinned wires and aluminum mylar foil shielding, this cable actively mitigates electromagnetic interference, crucial for maintaining data integrity in challenging environments. Its durable PVC jacket and nickel-plated connectors ensure a secure, long-lasting connection, reducing the need for frequent replacements.
- Core Functionality: Enables direct null modem communication between two DB9 serial devices, supporting essential data transfer for legacy systems and specialized hardware.
- Enhanced Data Integrity: Aluminum mylar foil shielding and metal shell connectors protect against EMI, preventing data corruption and ensuring reliable serial communication.
- Extended Reach: The 3-meter cable length provides ample flexibility for device placement, allowing for optimal setup configurations in server rooms or industrial settings.
- Industrial Durability: Constructed with a robust PVC jacket and 28 AWG tinned wires, this cable withstands demanding operational conditions, extending its service life.
- Operational Value: Offers a cost-effective and dependable solution for maintaining connectivity to critical serial equipment, minimizing operational disruptions and IT overhead.
This StarTech.com null modem cable is an indispensable component for businesses requiring dependable serial connectivity for their mission-critical infrastructure.
Technical Specifications
1Performance & Business Impact
2Connectivity & I/O
3Physical & Environmental
4Lifecycle, Warranty & Compliance
Full Specifications
Features12
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Packaging data1
Operational conditions1
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What This Solves
Console Management for Network Devices
IT teams frequently need direct console access to configure or troubleshoot network switches and routers, especially during initial setup or recovery. This cable provides a stable, shielded serial connection for reliable command-line interface (CLI) access, preventing configuration errors.
Network operations centers, IT infrastructure teams, data center operators
Industrial Automation & Control
Industrial environments rely on robust communication for programmable logic controllers (PLCs) and supervisory control and data acquisition (SCADA) systems, where EMI can disrupt operations. The cable's shielding ensures consistent data flow between control systems and monitoring stations, maintaining process integrity.
Manufacturing plants, industrial facilities, logistics warehouses
Legacy Peripheral Integration
Many businesses still operate specialized peripherals like barcode scanners, POS terminals, or diagnostic tools that require a DB9 serial interface. This null modem cable enables seamless integration of these essential devices into modern or mixed IT environments, extending their operational lifespan.
Retail franchises, healthcare clinics, automotive service centers
Key Features
3-meter (9.8 ft) cable length
Provides flexible placement options for serial devices, optimizing workspace and equipment accessibility.
DB9 Male to DB9 Female connectors
Ensures direct null modem communication between compatible serial devices without requiring adapters.
Aluminum mylar foil cable shielding
Mitigates electromagnetic interference, protecting data integrity in electrically noisy environments.
28 AWG tinned copper wires
Delivers consistent signal quality over the cable's length, ensuring reliable data transmission for critical applications.
Polyvinyl chloride (PVC) jacket
Offers enhanced durability and protection against wear and tear, extending the cable's operational lifespan.
Industry Applications
Manufacturing & Industrial
Essential for connecting industrial control systems and legacy machinery, ensuring reliable data exchange in factory automation environments.
Government & Public Sector
Used for console access to networking equipment and connecting specialized devices in secure, often older, government IT infrastructures.
Healthcare & Life Sciences
Deployed for interfacing with diagnostic equipment or older medical devices that rely on serial communication for data transfer and control.
Retail & Hospitality
Critical for connecting point-of-sale (POS) systems, barcode scanners, or specialized printers that still utilize DB9 serial interfaces for operations.
Frequently Asked Questions
What is a null modem cable used for?
A null modem cable is used to connect two DTE (Data Terminal Equipment) devices directly, such as two computers or a computer to a network switch console port, without requiring a modem. It achieves this by crossing the transmit and receive lines.
How does the shielding benefit my business operations?
The aluminum mylar foil shielding protects the data signal from electromagnetic interference (EMI) generated by other electronic equipment. This is crucial in industrial or server environments to prevent data corruption and ensure reliable communication for critical systems.
Can this cable be used to extend an existing serial connection?
While this cable provides a 3-meter connection, it is designed for direct null modem communication. For extending a standard serial connection, a straight-through serial extension cable would typically be used, or a serial repeater for longer distances.
What devices are typically compatible with this DB9 M/F null modem cable?
This cable is compatible with a wide range of devices that feature a DB9 serial port and require null modem communication, including network switches, routers, industrial control systems (PLCs), older POS terminals, and specialized diagnostic equipment.
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.