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| SKU | hzs8653 |
| Brand | TECHTOO |
| Model Number | T-USBDB9PL25434PORT |
| Color | 4 RS232 Port |
| Connector Type | USB 2.0 Type A Male to RS232 DB9 Male |
| Number of Pins | 9 |
| Cable Length | 1.5 meters (4.92 ft) |
| Material | Plastic |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
This item:
TECHTOO 4-Port USB to RS232 DB9 Serial Adapter Cable 1.5m (4.92ft) | Prolific Chipset
5,157
This item
TECHTOO 4-Port USB to RS232 DB9 Serial Adapter Cable 1.5m (4.92ft) | Prolific Chipset
5,157
Total price:
9,041
You save 6,091 (40%) Extra3 items selected
3 items
9,041You save 6,091 (40%) Extra
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Unlock Legacy Connectivity for Your Business
The TECHTOO 4-Port USB to RS232 DB9 Serial Adapter provides a reliable solution for connecting legacy serial devices to modern computers. With its Prolific chipset and support for Windows, macOS, and Linux, it ensures broad compatibility for applications like modems, GPS receivers, scanners, and industrial control systems. This adapter is USB-powered, eliminating the need for external power adapters, and offers a data transfer rate of up to 1Mbps.
This adapter is designed for seamless integration into various environments, supporting COM port retention across reboots for consistent device recognition. It's ideal for configuring and sharing data among multiple devices, including POS systems, medical instruments, and networking gear. The included 1.5m (4.92ft) cable offers ample reach for setup.
Imported directly from authorized US retailers, this TECHTOO adapter ensures you receive an authentic product with all customs duties and GST included in the listed price. Enjoy reliable connectivity for your essential serial equipment, delivered securely via ExpressBox tracked shipping.
Seamless Connectivity for Legacy Gear
This TECHTOO USB to RS232 adapter bridges the gap between older serial devices and modern USB ports. Its Prolific chipset is recognized for robust driver support across Windows, macOS, and Linux, making it a dependable choice for industrial automation, scientific instruments, and point-of-sale systems. Unlike generic adapters, it offers stable COM port retention and a 1Mbps data transfer rate, ensuring your critical data flows smoothly. It's designed for plug-and-play ease after initial driver installation, simplifying integration into your existing setup.
Ideal For Industrial & POS, Skip If...
This adapter is perfect for connecting modems, GPS units, scanners, POS terminals, and industrial control devices. It's also suitable for networking equipment and scientific instruments requiring RS232 communication. However, it is not designed for serial mice that require specific IRQ or I/O addresses. If your device requires a null modem configuration, ensure you use a null modem adapter instead of this straight-through cable.
Typical situations where TECHTOO 4-Port USB to RS232 DB9 Serial Adapter Cable 1.5m (4.92ft) | Prolific Chipset helps — illustrative scenarios, not customer reviews.
Connecting legacy industrial equipment in a factory in Pune that uses RS232 ports for control systems.
This 4-port USB to RS232 adapter allows you to connect multiple machines to a modern laptop. The Prolific chipset ensures broad OS compatibility and reliable data transfer, crucial for maintaining production lines. Arrives via 12-14 days.
Setting up a point-of-sale system in a retail store in Delhi that requires multiple serial connections for printers and scanners.
The TECHTOO adapter provides four RS232 ports via a single USB connection, simplifying setup. It's USB-powered and maintains COM port assignments, ensuring your POS devices function reliably without needing external power or constant re-configuration.
| Compatible Devices | PCs, Modems, Routers, GPS Receivers, Scanners, POS Systems, Printers, Industrial Instruments |
| Supported Operating Systems | Windows 11/10/8.1/8/7/Vista/XP/2000, Android, macOS 10.6+, Linux |
| Data Transfer Rate | Up to 1Mbps |
| Power Source | USB Port (No external adapter required) |
| Special Features | COM Port Retention, Automatic Handshake, Plug & Play (after driver install) |
| Usage | Indoor |
| Feature | TECHTOO 4-Port USB | Others |
|---|---|---|
| Port Count | 4 x RS232 DB9 Ports | Typically 1-2 x RS232 DB9 Ports |
| Chipset | Prolific (Wide Driver Support) | Varies (FTDI, CH340, or unknown) |
| Operating System Support | Windows, macOS, Linux (Microsoft Signed Drivers) | Primarily Windows; macOS/Linux support may vary |
| Data Transfer Rate | Up to 1Mbps | Up to 1Mbps (may vary) |
| Power Source | USB Powered | USB Powered or External Adapter |
About TECHTOO
TECHTOO specializes in reliable USB connectivity solutions, offering adapters and cables for seamless integration of devices.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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| Attributes |  |  |  |  |  |  | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price |
2,041 2,829 |
1,843 3,706 |
1,302 1,851 |
3,756 3,934 |
1,853 2,251 |
13,122 18,144 |
| Rating | 5.00(3) | 4.80(900) | 5.00(2) | 4.40(247) | 4.70(75) | 4.88(8) | 4.60(10K+) |
| Brand Name | TECHTOO | DSD TECH | ANMBEST | TYHJ | Yoqanr | Sharpie | Epson |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
