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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.

Description

Black Box FA4509M-BK Modular Adapter Kit With Thumbscrews

Overview

The Black Box FA4509M-BK is a compact, modular adapter kit designed to convert a DB9 male serial port to an RJ45 female connector. This adapter is useful for extending serial connections over standard Ethernet cabling or for integrating legacy serial devices into modern network infrastructure. The included thumbscrews allow for secure, tool-less mounting, simplifying installation in tight spaces. Its black finish provides a discreet appearance in most environments.

Compatibility

This adapter is designed for general-purpose serial communication and is compatible with any device featuring a standard DB9 male serial port and any system utilizing an RJ45 Ethernet jack for serial data transmission. It is suitable for use with various networking equipment, industrial controllers, and legacy computer systems that require RS-232 serial interfaces.

Installation Notes

Installation is straightforward: simply connect the DB9 male end to the serial port of your device and the RJ45 female end to your network or serial extension cable. The integrated thumbscrews ensure a firm connection, preventing accidental disconnection. No external power is required for this passive adapter.

What's in the Box

  • 1x FA4509M-BK Modular Adapter
  • 2x Thumbscrews
Specifications
Overview: MODULAR ADAPTER KIT WITH THUMBSCREWS - DB9 (MALE) TO RJ45 (FEMALE), BLACK
Brand: Black Box
MPN: FA4509M-BK
Type: Power Supply
Color: Black
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Black Box Modular Adapter KIT With Thumbscrews - - FA4509M-BK

$15.56
$14.99

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