4-Port USB to RS-232 Serial Adapter Hub
Externally Powered RS232 Isolator
USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
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4-Port USB to RS-232 Serial Adapter Hub
4 Port Serial RS-232 Hub w/ FTDI Chipset & RX/TX LED Indicators
4-Port USB to RS-232 Hub - UC2324, ATEN Converters | ATEN U.S.A.
Serial (RS232) port connectors. Pinout and signals for the serial port connector
RS-232 to RS-232 Mini Port-Powered Isolator
/VESP211-232_RTview_72rgb450px_301620190406020357.jpg "Serial Device Server, BB-VESP211-232, Ethernet Enable Serial Device")
Serial Device Server, BB-VESP211-232, Ethernet Enable Serial Device
8-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ FTDI Chipset & 15kV ESD Surge Protection - Coolgear
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Printing module (RS-232 port) - EVCO - Advanced Controllers
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Celestron RS-232 to Serial Port Cable - for GPS 16 Accessory
