---
product_id: 34940729
title: "Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device"
brand: "dtech"
price: "149.82 DT"
currency: TND
in_stock: true
category: "Dtech"
url: https://www.desertcart.tn/products/34940729-port-powered-rs232-to-rs232-serial-port-isolator-optic-electric
store_origin: TN
region: Tunisia
---

# 2.5KV rms optical isolation voltage DB9 9-pin male-female reversible Protects against surge, ESD & ground loops Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device

**Brand:** dtech
**Price:** 149.82 DT
**Availability:** ✅ In Stock

## Summary

> 🛡️ Protect your ports, power your productivity!

## Quick Answers

- **What is this?** Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device by dtech
- **How much does it cost?** 149.82 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/34940729-port-powered-rs232-to-rs232-serial-port-isolator-optic-electric)

## Best For

- dtech enthusiasts

## Why This Product

- Trusted dtech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Power:** Bus-powered design draws power directly from RS232 lines—no external power needed for effortless setup.
- • **Reliable Data Flow:** Supports asynchronous RS-232 communication from 300 bps up to 57,600 bps—fast, stable, and secure.
- • **Compact & Lightweight:** Slim 2.6 x 1.3 x 0.7 inch form factor weighing just 1.12 oz—perfect for on-the-go professionals.
- • **Seamless Serial Safety:** Instant 2.5KV rms optical isolation shields your PC & devices from damaging surges and static shocks.
- • **Universal Compatibility:** Reversible DB9 male/female connectors with thumbscrews fit all your RS232 devices without fuss.

## Overview

The DTECH Port Powered RS232 to RS232 Serial Port Isolator is a compact, bus-powered optical isolator designed to safeguard your PC and RS-232 devices from electrostatic discharge, surges, ground loops, and faulty wiring. Featuring reversible DB9 connectors and supporting data rates up to 57,600 bps, it ensures reliable, secure serial communication while eliminating costly hardware damage.

## Description

DTECH 3 Wire RS232 Data Interfaces Opto Isolator for Typical isolated RS-232 communications link Why take a chance on blowing up your COMM PORT this simple mini RS232 opto isolator device will protect your PC and RS232C devices, when plugging into an unknown device or plugging into one that has a short you can damage your comm port in a hurry! This compact RS232 Isolator Optic Electric adapter is designed to protect the RS232 serial port at both ends of the device, inhibit static and surge, prevent ground loop and surge damaging devices. Connection: 9 pin DTE devices transmit on pin 3 and receive on pin 2 9 pin DCE devices transmit on pin 2 and receive on pin 3 Specific Optic electric isolation voltage: Instant 2.5KV rms; Continous 500VDC RS232 adapter's transmission Rate: 300 bps – 57600 bps Power: self powered, Supply from RS232 (one of TXD / DTR / RTS) Original Packing Included 1 x Port Powered RS-232 Isolator 1 x User Manual

## Features

- DB9 9 pin male to female serial converter - RS232 optical Isolator for RS232C system communication serial port optical isolation protector product
- Mini RS232 opto isolator serial adapter is suitable to protect electric terminal devices using 3 wire system (TXD, RXD and GND), such as modem, router, RFID reader, radio, multi-user system and satellite receiver, computer, etc
- DE9 RS232 isolated interface adapter protects against the effects of electrostatic discharge, surge, ground loop, faulty wiring and lightning
- Bus-powered serial isolator RS232 surge protector supports RS-232 asynchronous communication standard, direct insert into RS-232 interface serially, convenient operation
- For added convenience, the RS232C DB-9’s male / female genders are reversible with the included thumbscrews

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EACRB0K |
| Best Sellers Rank | #110 in Serial Adapters |
| Brand | DTECH |
| Color | Black |
| Compatible Devices | PC |
| Connector Type | DB9 |
| Customer Reviews | 4.1 4.1 out of 5 stars (41) |
| Input Voltage | 9 volts |
| Item Dimensions | 2.6 x 1.3 x 0.7 inches |
| Item Weight | 1.12 ounces |
| Manufacturer | Guangzhou DTECH Electronics Technology Co.,Ltd |
| Mfr Part Number | DT-9011 |
| Model Number | DT-9011 |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | PC |
| UPC | 600649504725 |
| Unit Count | 1 Count |
| Warranty Description | 180 days from the date of the purchase |
| Warranty Type | Limited |

## Product Details

- **Color:** Black
- **Compatible Devices:** PC
- **Connector Type:** DB9
- **Item dimensions L x W x H:** 2.6 x 1.3 x 0.7 inches
- **Specific Uses For Product:** PC

## Images

![Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device - Image 1](https://m.media-amazon.com/images/I/51dWrUg1YqL.jpg)

## Questions & Answers

**Q: I installed dt-9011 rs232 but cannot find the driver for Windows 10. Where can I download the driver?**
A: For the RS232 serial isolator itself, there is no need of driver, if you use the isolator with other serial adapter like USB to serial adapter, you may find the driver from the supplier of the USB to serial adapter. And if you purchased USB to serial adapter from us, pls contact us directly via the order page "contact seller", so we can tell which driver you need.

**Q: Will this work for a usb/serial line from my macmini to my transciever (i.e., is there sufficient power to get the signals accross)?**
A: Yes, this RS232 serial port isolator can be connected with a usb to serial cord, but please make sure that serial port pin of the cable is a standard 9 pin to get sufficient power or you may add a DC 9V power supply to pin 7.

**Q: Would this work for a ROC809?**
A: As long as your device is with RS232 port, it will work. If have any further question, please feel free to contact us via the order page directly anytime.

**Q: Is there optical isolation on all three lines: txd, rxd and gnd ?**
A: Yes, it's right.

## Frequently Bought Together

- DTECH Port Powered RS232 to RS232 Serial Port Isolator Optic Electric Adapter to Protect You PC and RS-232 Device
- Arnorin DB9 Null Modem Adapter Male to Female Slimline Data Transfer Serial Port Adapter 10 Pack
- OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)…

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/34940729-port-powered-rs232-to-rs232-serial-port-isolator-optic-electric](https://www.desertcart.tn/products/34940729-port-powered-rs232-to-rs232-serial-port-isolator-optic-electric)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-19*