USB-RS-232-422-485-Docking
AUM-600 USB to RS-232 1200m 4-Wire Extender w/TXD-RXD Driver	ASM-600 RS-232 1200m 4-Wire Extender w/TXD-RXD Driver	AUM-620 USB to RS-232 1200m 8-Wire Extender w/TXD-RXD/CTS-RTS Driver	ASM-620 RS-232 1200m 8-Wire Extender w/TXD-RXD / CTS-RTS Driver
USB / RS-232 <=> RS-232 - 422 - 485
AUM-485B USB to RS-422 / 485 Converter	ASM-485 RS-232 to RS-422 / 485 Converter	AUM-328522 USB to RS-232 / 422 / 485 Converter	AUM-485 USB to DB9-RS-422 / 485 Converter
Docking

ASP-100 USB to RS232 + IEEEE-1284 Cable	MDK-200 2 Port USB2.0 HUB & RS232 + IEEE-1284