4 Port USB to RS232 Serial Adapter Hub

StarTech.com 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter - USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection (ICUSB234854I)

StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2324I)

DriverGenius 4XRS232-D | 4-Port USB to RS232/Serial Converter – 4 Male Ports for Industrial Automation & Monitoring, Metal Casing, Compatible with macOS 15 & Windows 11

TRENDnet TU-S4, 4-Port USB to Serial RS232 Hub, Black

UGREEN USB Serial Cable USB to RS232 DB9 9 pin Converter Cable for Connecting Cisco Routers and Switches, Celestron Telescope Nexstar hand Controller, Extron Crestron Products with PL2303 Chipset (1m)

CableDeconn USB to RS232 Adapter with Prolific PL2303 Chipset USB2.0 Male to RS232 Female DB9 Serial Cable 2m 6ft for Windows XP,Windows Vista,7,8,10,Mac OS 10.6 Above Linux

StarTech.com 17in (43cm) 1-Port USB to RS232 DB9 Serial Adapter Cable, USB to Serial Adapter Cable - M/M

BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M

Xiatiaosann USB to RS232 Adapter, USB 2.0 to Serial DB9 Cable 9 Pin Male Adapter with Chipset RS-232 Converter Cable Chipset, Windows 10 8 7, 2 PCS

DTech USB to Serial Adapter Features FTDI Chip DB9 9 Pin RS232 to USB Cable FT231 Chipset Compatible with Windows 11 10 8 7 XP Mac OS Linux RS-232 Data Lights Detect (0.5M)