Which driver does the cable take? Prolific?

This cable with FTDI chip (FT232), the CD driver comes with the cable. And ,you can download the driver on FTDIchip Website too. (This one is another type DTECH USB to RS232 Cable which with Prolific chip: https://www.amazon.com/dp/B017CZ3FZ2 )

Will this work with a cisco switch?

Most Cisco switches use an RJ-45 jack for serial console connectivity, so you would need an adapter to use it. You'd be better off using something like this: https://www.amazon.com/Console-CableCreation-NETGEAR-TP-Link-Ubiquiti/dp/B0769J9QXP - however, if your Cisco switch has a DB-9 serial port, then this will work fine.

Is the dcd pin on db-9 connected to the ftdi chip? with respect to usb port, what is the direction of this signal?

Hi, the 10ft USB serial adapter's DCD pin is connected to FTDI chip. About the signal direction, would you mind contact us directly via the order page's "contact seller" button, so we can send you a picture with more details.

Which pins are rxd, txd, and gnd?

3 for rxd, 2 for txd and 5 for gnd With this in mind, you may consider using a NULL adapter (male/female) to change rxd and txd pins, and/or Gender adapter (male/male). I keep both of these adapters at hand, in case of a signal mis-match. This is a very good product. I've used it with and without the adapters, very successfully. I especially like the quality and length of the cord,10ft, braided.

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DTech USB to RS232 Serial Adapter 3m DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux

DTech USB to RS232 Serial Adapter 3m DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux

Product ID: 532489873

Details

Colour
blue
Compatible devices
Laptop
Connector type
USB to RS232
Item dimensions L x W x H
20.5 x 10 x
Specific uses for product
RS-232 serial

⚡USB-powered, no external adapter

💻FTDI chipset for cross-platform support

🔌3m USB to DB9 cable length

₹ 4465

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Description

🔗 Connect the past with the future—stay plugged in, stay ahead!

COMPACT PORTABLE - Lightweight design fits your on-the-go lifestyle—ditch bulky power bricks.
ULTRA LONG 3 M CABLE - Enjoy flexible device placement without compromise or clutter.
RELIABLE FTDI CHIPSET - Industry-trusted chipset ensures stable, high-speed data transfer up to 921600bps.
PLUG PLAY SIMPLICITY - No driver hassle—instant serial port access on Windows, Mac, and Linux.
SEAMLESS LEGACY CONNECTIVITY - Effortlessly bridge modern PCs with classic serial devices via USB.

The DTech USB to RS232 Serial Adapter features a 3-meter USB-powered cable with a DB9 female connector, powered by a reliable FTDI chipset. Compatible across Windows, Mac, and Linux, it offers plug-and-play ease for connecting legacy serial devices to modern computers without bulky adapters, supporting baud rates up to 921600bps.

Specifications

Asin	B01GA0IZBO
Best Sellers Rank	28,266 in Computers & Accessories (See Top 100 in Computers & Accessories) 61 in Serial Adapters
Brand Name	DTECH
Colour	Blue
Compatible Devices	Laptop
Connector Type	usb
Country Of Origin	China
Current Rating	150 Milliamps
Customer Reviews	4.6 4.6 out of 5 stars (219) 4.6 out of 5 stars
Input Voltage	5 Volts
Item Dimensions	20.5 x 10 x 5.1 centimetres
Item Weight	9 g
Manufacturer	DTECH
Manufacturer Part Number	DT-5031B
Model Number	DT-5031B
Number Of Items	1
Number Of Ports	2
Package Quantity	1
Power Plug Type	No Plug
Product Finish Type	Matte
Specific Uses For Product	RS-232 serial DB-9, data communication
Unit Count	1.0 count
Upc	600649504916 600649506088
Warranty Type	Limited

Reviews

User

This product is up to the mark!

18.05.2026

User

Great piece.

works great!sadly our company still uses equipment that isn't network compatible.

2.02.2026

User

Worked perfectly

20.12.2025

User

Amazing product

It works amazing. I love the product quality

3.11.2025

User

Works

Worked without having to setup driver

15.03.2026

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₹ 4465

Duties & taxes included

In stock

Sold byAmazon IndiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to India.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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