ATC-820 USB to Serial (RS-485) Converter

ATC-820 USB to Serial (RS-232) Converter – Industrial Grade Communication Cable

The ATC-820 USB to Serial (RS-232) Converter enables seamless connectivity between modern USB-based computers and legacy RS232 serial devices. Built for industrial automation, PLC communication, CNC machines, POS terminals, modems, and data communication systems, it supports reliable data transfer up to 1 Mbps.

With a copper core, flame-resistant PVC jacket (UL94V-0), foil shielding, and 1.5-metre cable length, the ATC-820 is engineered to withstand interference, harsh environments, and long-duty cycles. Its plug-and-play design ensures quick installation without external power requirements and supports Windows, Mac, and Linux platforms.

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Key Features

• USB Type-A Male to RS232 DB9 Male connector

• Supports data transfer up to 1 Mbps

• Compatible with PLCs, CNC machines, POS terminals, and serial devices

• Foil shielded for EMI protection

• High-grade copper conductor with 28 AWG gauge

• PVC insulation & UL94V-0 flame-resistant outer jacket

• Supports Windows/Mac/Linux operating systems

• 1.5-metre durable cable for flexible installation

• Operating temperature: -20°C to 60°C

• Plug-and-play installation; no external power required

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Technical Specifications

Parameter	Value
Model	ATC-820
Interface Type	USB to RS232
Connectors	USB Type-A Male → RS232 DB9 Male
Data Rate	Up to 1 Mbps
Cable Length	1.5 meters
Conductor Material	Copper
Wire Gauge	28 AWG
No. of Conductors	4
Jacket Material	PVC (UL94V-0 flame resistant)
Shielding	Foil Shielded
Voltage Rating	5V DC
Operating Temperature	-20°C to 60°C
Color	Black
Outer Diameter	5 mm
OS Support	Windows, Mac, Linux
Warranty	1 Year
No. of Ports	2

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Applications

• PLC & CNC machine communication

• Serial modems and industrial RS232 equipment

• Data communication systems

• POS & barcode systems

• Lab instrumentation

• Legacy RS232 hardware integration

• USB-based PC to serial device interfacing

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What’s in the Box

• 1× ATC-820 USB to Serial (RS-232) Converter

• 1× Quick installation sheet

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FAQ

1) How do I connect the ATC-820?

Plug the USB Type-A end into your PC and the RS232 DB9 male end into your serial device. Most OS platforms detect it automatically.

2) Which operating systems are supported?

Windows 98/ME/XP/2000/Vista/7/8, Windows CE, Linux, and Mac OS.

3) What is the maximum communication speed?

The converter supports up to 1 Mbps for high-speed serial communication.

4) Where can I use the ATC-820?

Ideal for office, lab, workshop, and industrial environments with temperatures from -20°C to 60°C and humidity from 5% to 95% RH (non-condensing).

5) Does it require drivers?

Most systems load drivers automatically; optional drivers are available for chipset compatibility.

6) What shielding does it have?

Foil shielding minimises electromagnetic interference for stable, error-free communication.