Item Number: UD-101i
USB to RS-422/485 Adapter + 3KV Isolation
 
Item Number: US-101i
USB to RS-232 Adapter + 5KV Isolation
 
Item Number: UD-101
USB to RS-422/485 Adapter
 
Item Number: US-101
USB to RS-233 Adapter
 
Item Number: US-102
USB to 2 port RS-232 Adapter
 
Item Number: US-104
USB to 4 port RS-232 Adapter