EFB Electronics Network Adapter - DB-9 (M) to RJ-45 (F) - RS-232 Serial to Ethernet Adapter - Black

The EFB Electronics Network Adapter (ETM23066) is a high-quality serial to RJ45 adapter designed to connect DB-9 male serial ports to RJ-45 female network cables. Ideal for console management and serial device extension, this passive adapter enables reliable RS-232 data transmission over standard UTP cabling (Cat5/5e/6). Its compact, unshielded PVC housing in black ensures durability and easy integration into any setup.

Advantages

This adapter simplifies the connection between legacy serial devices and modern network infrastructure. It supports RS-232 protocol for console management, allowing IT professionals to configure routers, switches, and other network equipment via a standard RJ-45 cable. The passive design requires no external power, making it a cost-effective and straightforward solution for extending serial connections over longer distances using UTP cabling.

Suitable for

• Connecting DB-9 serial devices (e.g., routers, switches, modems) to RJ-45 network cables
• Console management and configuration of network equipment
• Serial device extension in data centers, server rooms, and industrial environments
• Replacing bulky serial cables with standard Ethernet cabling

Key specifications

• Connector A: DB-9 Male
• Connector B: RJ-45 Female (8P8C)
• Interface: RS-232
• Wiring: Passive
• Housing Material: PVC / Plastic
• Colour: Black
• Shielding: Unshielded
• Standards Compliance: RoHS
• Number of Pins (DB9): 9
• Number of Positions (RJ45): 8P8C

Recommendations

For optimal performance, use with Cat5e or Cat6 UTP cables. Ensure the serial device supports RS-232 protocol. This adapter is a passive device and does not convert signals; it simply maps pins for direct connectivity.