10PCS DB9 Male Ethernet Adapter, 9 Pin Serial Port Male to RJ45 Ethernet LAN Extend Modular Converter, M/F
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.
A DB9 male to RJ45 adapter is a device that allows you to convert a serial connection from a DB9 (also known as a DE-9) connector to an RJ45 connector, commonly used in Ethernet networking. It enables the connection between devices that utilize different types of connectors.Specifications:Product name: DB9 male to RJ45 female moduleShell material: ABSWire: 1007 # 26 tinned copper wireRequires no external powerRJ45 Pin Outs: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Gray, and 8-WhiteDB9 Pin Definition: 1.CD(Carrier Detect); 2.RD(Received Data); 3.TD(Transmitted Data); 4.DTR(Data…
SpecPicks Verdict
SpecPicks classifies 10PCS DB9 Male Ethernet Adapter, 9 Pin Serial Port Male to RJ45… as a category leader on buyer feedback in the keyboards & mice category, based on 19 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. ANMBEST's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.9★ average across customer reviews
- ✓ RJ45 Pin Outs: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Gray, and 8-White.
- ✓ Backed by ANMBEST's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Transmit signals between your RS232 ports over CAT5, CAT5E, and CAT5 network cables. Transmits signals up to 100FT.
- RJ45 Pin Outs: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Gray, and 8-White.
- DB9 Pin Definition: 1.CD(Carrier Detect); 2.RD(Received Data); 3.TD(Transmitted Data); 4.DTR(Data Terminal Ready); 5.GND(Ground); 6.DSR(Data Set Ready); 7.RTS(Request to Send); 8.CTS(Clear to Send); 9.RI(Ring Indicator).
- High quality alloy transmission port reduce the transmission impedance and interference, environmentally ABS material, super wear-resistant.
- The DB9 male to RJ45 adapter converts the pin configuration of the DB9 connector into the appropriate wiring scheme for an RJ45 connector, allowing you to establish a connection between devices that use these different interfaces. It is often used in scenarios where legacy serial devices need to be connected to a network infrastructure using Ethernet technologies.
Full Specifications
| Brand | ANMBEST |
|---|---|
| Color | Black |
| Finish | Metallic |
| Unit Count | 10.0 Count |
| Finish Type | Metallic |
| Model Number | 57e5c260-690d-4611-a149-27a3bae86b96 |
| RJ45 Pin Outs | 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Gray, and 8-White. |
| Connector Type | DB9 to RJ45 |
| Number of Items | 10 |
| Number of Ports | 1 |
| Power Plug Type | No Plug |
| Compatible Devices | Monitor |
| Warranty Description | 1 |
| Smart Home Compatibility | Not Smart Home Compatible |
Ready to buy?
10PCS DB9 Male Ethernet Adapter, 9 Pin Serial Port Male to RJ45 Ethernet LAN Extend Modular Converter, M/F is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.