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DB9 male to RJ45 female adapter allows a serial signal to be sent over twisted-pair Cat5e/6 cable
Converts DB9 male connection to RJ45 female connection
Compatible with readily available Cat5e/6 patch cables
Slotted, knurled thumbscrews for easy, secure attachment
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DB9 to RJ45 Modular Serial Adapter (M/F), RS-232, RS-422, RS-485
Learn more about the Tripp Lite P440-89FM
Model
Brand
Tripp Lite
Model
P440-89FM
Details
Color
Black
Changer Type
DB9 to RJ45
Specifications
The P440-89FM DB9 to RJ45 Modular Serial Adapter (M/F) is designed for connecting terminals, serial printers, modems, POS and other serial devices to your network via twisted-pair Cat5e/6 cabling. This saves you time and money by eliminating the need to upgrade your existing hardware.
The adapter features a male DB9 serial connector with color-coded twisted-pair wires on one side and an RJ45 female connector on the other, allowing you to create customized RS-232, RS-422 and RS-485 connections. You can connect dumb desktop terminals to a central patch or directly to an MUX. Slotted, knurled thumbscrews provide a quick, secure attachment to your device. Color-coded wiring simplifies troubleshooting.
Features
Features
Create Customized Serial Cable Configurations
DB9 to RJ45 adapter allows serial signal to be transmitted over twisted-pair cable
Connects terminals, serial printers, modems, POS and other serial devices to Cat5e/6 cabling
Converts DB9 male connection to RJ45 female connection
Connects dumb desktop terminals to central patch or directly to MUX
Color-coded wires to simplify troubleshooting
Slotted, knurled thumbscrews for easy, secure attachment
Ideal for modular RS-232, RS-422 and RS-485 serial connections
Package Contents
Package Contents
P440-89FM DB9 to RJ45 Modular Serial Adapter (M/F)
Additional Information
First Listed on Newegg
September 22, 2025
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.