StarTech. com SCNM9FF2MBK 2m DB9 RS-232 Serial Null Modem Cable - Female to Female - Black - 28 AWG - Shielded
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Product Features
Technical Overview
This serial cable operates on the RS-232 standard, supporting data transfer at standard serial rates. The 28 AWG wire gauge ensures efficient signal transmission over the 2-meter length, while the full shielding provides EMI protection to maintain data integrity in electrically noisy environments.
The molded connectors incorporate strain relief to prevent cable damage from frequent plugging and unplugging. The nickel plating on the DB-9 connectors offers corrosion resistance and maintains reliable electrical contact over extended use.
This section brings together practical product details such as Cable Type, Cable Length, Connector Type on First End, Color Family, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
This cable combines robust construction with practical features for dependable serial connectivity. The integrated EMI shielding and strain relief make it suitable for demanding applications where cable longevity and signal quality are priorities.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include EMI Protection, Durable Construction.
EMI Protection
High-quality shielding prevents electromagnetic interference, ensuring stable data transmission even in environments with multiple electronic devices.
- Reduces signal degradation
- Maintains data integrity
- Suitable for industrial settings
Durable Construction
Molded connectors with strain relief protect against physical stress, while nickel-plated contacts resist corrosion for long-term reliability.
- Extends cable lifespan
- Prevents connection issues
- Withstands frequent use
Deployment / Use Cases
This null modem cable is ideal for connecting serial devices in various professional and industrial scenarios. Its female-to-female configuration makes it particularly useful for extending existing serial connections or interfacing with devices that have female ports.
Common applications include connecting legacy industrial equipment, programming devices, diagnostic tools, and communication with older networking hardware. The cable supports direct PC-to-PC file transfer and modem communication without requiring gender changers or adapters.
This section brings together practical product details such as Cable Type, Cable Length, Connector Type on First End, Color Family, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Legacy System Integration
Connect older industrial controllers, CNC machines, or laboratory instruments that still use RS-232 interfaces for data exchange with modern computers.
Network Diagnostics
Use for console access to network switches, routers, and other networking equipment that maintain serial management ports for configuration and troubleshooting.
Physical Profile
The cable features a sleek black PVC jacket that provides flexibility and protection against abrasion. With a length of 2 meters (6.6 feet), it offers sufficient reach for most desktop and rack-mounted installations while maintaining signal quality. The compact design and moderate weight make it easy to route through cable management systems without adding significant bulk.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 4.02 oz (114 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Weight
- 4.02 oz (114 g)
- Length
- 6.6 ft (2 m)
Highlights
- 2-meter DB9 RS-232 serial null modem cable with female connectors on both ends
- EMI shielding protects against interference for reliable data transmission
- Molded connectors with strain relief prevent cable damage
- Nickel-plated contacts resist corrosion and ensure good electrical connection
- 28 AWG wire gauge maintains signal integrity over the full cable length
- Black PVC jacket provides durability and professional appearance
- Supports connection between PCs, modems, and serial devices
- Compliant with RoHS, REACH, and WEEE environmental standards
- Lifetime limited warranty from StarTech.com
- Null modem configuration for direct peer-to-peer serial communication
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | SCNM9FF2MBK |
| Brand Name | StarTech.com |
| Product Name | 2m Black DB9 RS232 Serial Null Modem Cable F/F |
| Packaged Quantity | 1 Each |
| Product Type | Data Transfer Cable |
| Technical Information | |
| Cable Type | Serial |
| Cable Length | 6.6 ft (2 m) |
| Connector Type on First End | DB-9 RS-232 Serial - Female |
| Connector Gender on First End | Female |
| Connector on First End Details | 1 x 9-pin DB-9 RS-232 Serial - Female |
| Connector Type on Second End | DB-9 RS-232 Serial - Female |
| Connector Gender on Second End | Female |
| Connector on Second End Details | 1 x 9-pin DB-9 RS-232 Serial - Female |
| Connector Plating | Nickel |
| Shielding | Yes |
| Device Supported | Modem,PC |
| American Wire Gauge | 28 AWG |
| Features | Molded,EMI Protection,Strain Relief |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Jacket Material | Polyvinyl Chloride (PVC) |
| Weight (Approximate) | 4.02 oz (114 g) |
| Miscellaneous | |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | Lifetime |
User Manual
FAQ
What is a null modem cable and when would I need one?
A null modem cable crosses the transmit and receive lines, allowing two DTE (Data Terminal Equipment) devices like computers to communicate directly without a modem. You need this cable for direct serial communication between PCs, for console access to networking equipment, or for connecting legacy devices that require crossed serial lines.
What devices are compatible with this RS-232 cable?
This cable supports PCs, modems, and any equipment with DB-9 RS-232 serial ports. It's commonly used with industrial controllers, networking equipment for console access, scientific instruments, and legacy peripherals that maintain serial interfaces for data transfer or configuration.
Why does this cable have EMI shielding?
The EMI (Electromagnetic Interference) shielding protects the signal from external electrical noise that can cause data corruption or transmission errors. This is particularly important in industrial environments, data centers, or offices with multiple electronic devices where electromagnetic interference is common.
What is the advantage of nickel-plated connectors?
Nickel plating provides corrosion resistance, ensuring reliable electrical contact over time. It maintains conductivity while protecting the metal contacts from oxidation, which is especially valuable in environments with varying humidity or where connectors may not be frequently used.
How does the strain relief feature protect the cable?
The molded strain relief at the connector junctions prevents the cable from bending sharply at connection points, reducing stress on the internal wires. This protection extends the cable's lifespan by preventing broken conductors that often occur at connector interfaces with frequent plugging and unplugging.
What environmental standards does this cable meet?
This cable complies with RoHS 2 (Restriction of Hazardous Substances), REACH (Registration, Evaluation, Authorization and Restriction of Chemicals), and WEEE (Waste Electrical and Electronic Equipment Directive) standards. These regulations ensure the product contains minimal hazardous materials and supports responsible disposal and recycling practices.
What refresh rate or brightness details are available?
Display-oriented products are best judged through screen, connectivity, and installation specifications. Those facts help buyers confirm visual fit, mounting flexibility, and deployment suitability more clearly than generic summary text.
What input or connectivity options are listed?
Connectivity options include DB-9 RS-232 Serial - Female, helping the product integrate into common office or home setups.
| Qty | Price | Available |
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