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Moxa UPort 1250I Serial Hub
USB to 8-Port RS-232 RJ45 Serial Interface Adapter - Sealevel
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2-Port USB 3.2 Gen 1 Industrial Surface & DIN-Rail Mount Hub w/ Gigabit Ethernet & DB9 Serial FTDI Chipset
8-Port USB to RS-232 Serial Adapter Hub
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4-Port USB to RS-232 Serial Adapter Hub
Moxa 1Port Usb-To-Serial Hub, Rs-422/485, W/ Isolation UPort 1130I | Zoro
StarTech.com USB to Serial Adapter Hub - 8 Port - DB9 (9-pin) - USB Se – Natix
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