MOXA USB-to-serial converters The UPort 1100 Series converts from USB to RS-232/422/485. Uses:- - For technical engineers who need to connect different serial devices in the field or separate interface converters for devices without a standard COM port or DB9 connector. Features:- - Mini-DB9-female-to-terminal-block adapter for easy wiring - LEDs for indicating USB and TxD/RxD activity