would I need driver or any software for this? When usb is connected to does a serial port appear in device manager?

Hi it will need to be installed on windows systems (the corresponding uninstalled device symbol will appear before installing the driver); it can be used driver-free on linux systems.

Is it supported for Mac?

Yes,it is supported for Mac,please refer our User Manual (PDF). https://m.media-amazon.com/images/I/81CU+z1qJbL.pdf

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Waveshare USB to RS232/485/TTL Interface Converter Power and ADI magnetical Industrial Isolation

Waveshare USB to RS232/485/TTL Interface Converter Power and ADI magnetical Industrial Isolation

Product ID: 104667673

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Details

Compatible devices
Devices with
Specific uses for product
Serial Systems
Connector type
USB Type B
Colour
USB TO
Brand
Waveshare

⚡Fast FT232RL chipset

🔋Onboard isolated power supply

🛡️Industrial-grade magnetic isolation

Description

⚡ Power your industrial edge with seamless, surge-proof serial connectivity!

RUGGED READY - Durable aluminum alloy enclosure with CNC finish and real-time LED status indicators.
BLAZING FAST ROCK SOLID - Original FT232RL chipset ensures ultra-stable, high-speed communication with zero delay.
UNMATCHED SIGNAL INTEGRITY - Industrial magnetic isolation and onboard TVS protect against interference and voltage spikes.
PLUG PLAY POWER ISOLATION - Built-in isolated power supply means no extra adapters—pure convenience and reliability.
ADAPTIVE VOLTAGE TRANSLATION - Switchable 3.3V/5V TTL levels for seamless integration with diverse devices.

The Waveshare USB to RS232/485/TTL Interface Converter leverages the original FT232RL chipset for fast, stable communication across multiple serial protocols. Featuring onboard magnetic and power isolation, transient voltage suppression, and adaptive TTL voltage translation, it ensures robust, interference-free data transfer in industrial environments. Encased in a durable aluminum shell with LED indicators, this compact 50g converter is a plug-and-play powerhouse compatible with Windows systems, designed for professionals demanding reliability and precision.

Specifications

Brand	Waveshare
Package Dimensions	15.7 x 11.5 x 3.5 cm; 50 g
Item model number	USB TO RS232/485/TTL
Manufacturer	Waveshare
Colour	USB TO RS232/485/TTL
Processor Brand	VIA
Hard Drive Interface	USB
Graphics Card Interface	Integrated
Number of HDMI Ports	1
Voltage	1 Volts
Operating System	Windows 10 / 8.1 / 8 / 7 / XP
Are Batteries Included	No
Item Weight	50 g
Guaranteed software updates until	unknown

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