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USB-COMI PRO / USB-2COMI PRO USER’S MANUAL
5
2
FEATURES
2.1
USB-COMi PRO
Adds a high-speed RS-232/422/485 serial port via USB connection
Serial operation mode and resistors can be easily changed by software
128 bytes receive and 384 bytes transmit buffer for high speed data throughput
Requires no IRQ, DMA, I/O port
RS-232 max bitrates up to 1Mbps
RS-422/485 max bitrates up to 12Mbps
Connector: one DB9 male connector one 5-pin terminal block connector
Auto transmit buffer control for 2-wire RS-485 half-duplex operation
Termination resistors installed on-board
RS-232 data signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
RS-422 data signals: Tx-, Tx+, Rx+, Rx-, GND, RTS-, RTS+, CTS+, CTS-
RS-485 data signals: Tx-, Tx+, Rx+, Rx- (4-wire), and data-, data+ (2-wire)
Monitor LEDs of TxD, RxD, Mode indicating port status
Easy operating mode configuration and setting
Virtual COM port drivers provided for Windows 10, 8.1, 8, 7, Vista, 2012, 2008,
2003, XP
Any serial device connected to USB-COMi PRO can be accessed and used by
any client computers over network or across the Internet
Shares serial port between multiple computers from anyplace in the world
via Ethernet/WAN/VLAN/VPN/Internet
2.2
USB-2COMi PRO
Adds two high-speed RS-232/422/485 serial port via USB connection
Serial operation mode and resistors can be easily changed by software
128 bytes receive and 384 bytes transmit buffer for high speed data throughput
Requires no IRQ, DMA, I/O port
RS-232 max bitrates up to 1Mbps
RS-422/485 max bitrates up to 12Mbps
Connector: two DB9 male connector two 5-pin terminal block connector
Auto transmit buffer control for 2-wire RS-485 half-duplex operation
Termination resistors installed on-board
RS-232 data signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
RS-422 data signals: Tx-, Tx+, Rx+, Rx-, GND, RTS-, RTS+, CTS+, CTS-
RS-485 data signals: Tx-, Tx+, Rx+, Rx- (4-wire), and data-, data+ (2-wire)