C2G 25ft (7.6m) Serial RS232 DB9 Null Modem Cable with Low Profile Connectors F/F, In-Wall CMG-Rated

Overview

The C2G 52179 is a 25-foot RS232 DB9 null modem cable designed for serial communication in environments that require in-wall rated wiring. It supports reliable data transfer between devices such as audio/video equipment and control systems, making it well suited for commercial, industrial, and educational installations. The cable’s CMG and FT4 ratings ensure compliance with NEC guidelines for safe in-wall use, while its fully shielded design reduces electromagnetic and radio frequency interference in complex electronic setups.

Key features

• CMG and FT4 rated cable suitable for in-wall installation, meeting safety standards for commercial and industrial environments
• Fully shielded construction that minimizes EMI and RFI interference, maintaining signal integrity in busy electronic spaces
• Low-profile connectors measuring 1.25 inches deep, allowing installation in tight spaces such as gang boxes or behind monitor mounts
• Durable PVC jacket protecting 28 AWG wires, providing long-lasting performance and resistance to wear
• Thumbscrews on connectors for secure and easy attachment, reducing the risk of accidental disconnections during use
• Lifetime warranty backing the cable’s reliability and quality for professional installations

Key specs

• Cable length: 25 feet (7.6 meters)
• Connector type: DB9 female to female null modem
• Wire gauge: 28 AWG
• Jacket material: PVC
• In-wall rating: CMG and FT4 compliant
• Connector depth: 1.25 inches (low profile)
• Shielding: Fully shielded to reduce EMI and RFI

Connectivity and compatibility

This cable is designed to connect devices that use RS232 serial communication with DB9 female ports, commonly found in legacy audio/video equipment, industrial control panels, and other serial interface devices. Its null modem wiring allows direct device-to-device communication without the need for modems or additional adapters. The low-profile connectors make it easy to fit into existing wiring setups where space is limited.

Installation and setup

The cable’s CMG and FT4 ratings make it safe for permanent in-wall installation, ideal for structured wiring in classrooms, conference rooms, or industrial environments. The molded construction and thumbscrews simplify securing the cable firmly to devices, ensuring a stable connection that withstands movement or vibration. Its flexible length and durable jacket allow for neat routing through walls or conduits without compromising signal quality.

Ideal uses and environments

This null modem cable is a strong choice for professionals who need dependable serial connections in commercial or industrial settings. It fits well in installations requiring in-wall wiring compliance, such as educational facilities, control rooms, and AV setups. The shielding and build quality make it suitable for environments with multiple electronic devices where interference could otherwise disrupt communication.