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Renkforce RF-19"-USB2-RS232-8 8 + 2 ports Serial hub meets industrial requirements, Steel casing Black | Conrad.com
USBGear Industrial 8-Port Terminal Block RS232/422/485 to USB Adapter with Isolation and Surge Protection - Walmart.com
StarTech.com USB to RS232 RS485 RS422 Industrial 8 Port Serial (ICUSB234858I)
Moxa UPort 1130I: 1 port USB-to-Serial Hub, RS-422/485, Isolation
8-Port Industrial USB to RS-232 Serial Adapter Hub
Shop | StarTech.com USB to Serial Hub - 16 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub (ICUSB23216FD) - serial adapter - USB 2.0 - RS-232 x 16
8-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ FTDI Chipset & 15kV ESD Surge Protection - Coolgear
StarTech.com 8 Port USB to RS232 Serial DB9 Adapter Hub - Q16087 - Shoplet.com
UC4852-AT | Aten USB to Serial Hub, RS422/RS485, 2 DB9 Male | Distrelec Export Shop
Amazon.com: StarTech.com USB to Serial Hub - 8 Port - COM Port Retention - Rack Mount and Daisy Chainable - FTDI USB to RS232 Hub (ICUSB23208FD) : Everything Else
4 Port USB to DB9 RS232 Serial Adapter - Serial Cards & Adapters | Canada
4 Port USB to RS232 Serial Adapter Hub - Serial Cards & Adapters | Canada
USB to 4 port RS232 serial converter adapter/ RS232 hub|usb to|converter adapterrs232 hub - AliExpress
ATEN UC2322-AT 2 ports Serial hub + USB to serial RS 232 converter White | Conrad.com
4-Port USB to RS-232 Serial Adapter Hub
US-757 | Brainboxes
Startech.Com ICUSB2322I $62.43 2 Port Wall Mount USB to Serial Adapter Hub w/ DIN Rail Clip | Zoro.com
StarTech.com ICUSB2324 USB to Serial Adapter Hub - 4 Port - Bus Powered - DB9 (9-pin) - USB Serial - FTDI USB to Serial Adapter - Newegg.com
4 Port USB to Serial DB9 Industrial RS232 Adapter 15KV ESD and Surge
8-Port USB to RS-232 Serial Adapter Hub
8 Port USB to DB9 RS232 Serial Adapter Hub - Office Depot
DELOCK 87414: Delock USB 2.0 to 4-port S´serial hub at reichelt elektronik
8-Port USB to RS-232 Serial Adapter Hub
StarTech.com 8 Port USB to RS232 Serial DB9 Adapter Hub | StarTech.com Cable Interface/Gender Adapters