Black Box EDN12H-0075-MM
Serial Extension Data Transfer Cable – 75 ft – DB9 Male to Male
The Black Box EDN12H-0075-MM is a professional-grade RS‑232 serial extension cable designed to extend connections between PCs, peripherals, or legacy serial devices. With a generous 75‑foot reach and durable DB9 male-to-male connectors, it provides reliable, interference-resistant communication for industrial, office, and lab environments.
As part of the trusted Black Box cabling portfolio, this cable is built for durability, signal integrity, and compliance with RS‑232 standards. It is an essential accessory for extending serial device connectivity across longer distances while maintaining consistent data transfer performance.
Features :
Constructed with high-quality shields and molded DB9 male connectors, this extension cable minimizes EMI/RFI interference. Its long reach of 75 ft makes it suitable for flexible serial installations requiring reliable communication and reduced cable clutter.
Advanced Options :
The EDN12H‑0075‑MM is compatible with most RS‑232 devices including terminals, modems, barcode readers, and lab equipment. The robust construction ensures longevity even in high-use environments, and strain relief helps prevent connector damage over repeated use.
Product Key Features
- RS‑232 serial extension cable
- 75 ft length for extended device placement
- DB9 male to DB9 male connectors
- Molded construction with strain relief
- Shielded against EMI/RFI interference
- Tested and verified for reliable data transfer
- Trusted Black Box cabling solution
Reliability & Performance :
The Black Box EDN12H-0075-MM ensures long-distance RS‑232 connectivity with consistent performance, thanks to its shielding, rugged connectors, and long cable reach. Whether used in telecom systems, industrial hardware, or legacy IT setups, it delivers dependable results every time.
Key Features :
- 75 ft RS‑232 serial extension cable
- DB9 male-to-male pinout
- Durable molded connectors
- High shielding for reliable data transfer
- Backed by Black Box quality assurance





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