Black Box 25ft RS232 DB9 Male/Female Shielded Cable

Overview

The Black Box EDN12H-0025-MF is a 25-foot RS232 serial cable designed to connect DB9 male ports to DB9 female ports, providing a reliable link for legacy or specialized equipment. It supports full nine-pin straight-through wiring, ensuring complete signal integrity for devices like printers, terminals, modems, and controllers. The cable’s aluminum foil shield minimizes electromagnetic and radio-frequency interference, maintaining stable communication even in electrically noisy environments.

Key features

• Full nine-pin straight-through wiring guarantees all signals are transmitted without loss or cross-talk.
• Aluminum foil shielding protects against EMI and RFI, keeping data transmission clear over the entire 25-foot length.
• Stranded tinned copper conductors rated at 24 AWG provide durability and consistent electrical performance.
• Removable metal hoods allow for easy repinning and customization in the field to adapt to changing system requirements.
• The 0.31-inch diameter jacket balances flexibility with toughness, making it suitable for frequent moves and rerouting.

Key specs

• Cable length: 25 feet
• Connector types: DB9 male to DB9 female
• Conductor gauge: 24 AWG stranded tinned copper
• Shielding: 100% aluminum foil
• Jacket diameter: 0.31 inch
• Wiring: Straight-through pin configuration

Connectivity and compatibility

This cable is compatible with any RS232 serial device featuring DB9 male or female ports, making it a versatile choice for connecting a wide range of industrial, retail, and laboratory equipment. Its full pin support ensures compatibility with devices requiring all nine RS232 signals, including data, control, and ground lines.

Ideal uses and environments

Well suited for environments where legacy serial connections remain essential, this cable works effectively in industrial settings, point-of-sale systems, and laboratory instrumentation. Its shielding and durable construction make it a strong option for locations near power cables, motors, or wireless access points where interference could otherwise disrupt communication. The extra length allows flexible placement of devices such as receipt printers, kiosks, or lab instruments without compromising signal quality.