PRODUCTS > USB to RS-422/485 > Compact > USB-COMi-TB

USB-COMi-TB

Products Manual

USB-COMi-TB - 1-Port RS-422/485 USB-to-Serial Adapter, 5-pin Terminal Block

Features

Adds one RS-422 or RS-485 serial port by connecting to a USB port
One 5-pin terminal block connector for easy wiring
No need to open chassis to set operation modes-upper case can be sliding open for easy RS-422, RS-485 mode settings
Installed as standard Windows COM port
RS-422 data signals: TxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, CTS-
RS-485 4-wire data signals: TxD-, TxD+, RxD+, RxD-
RS-485 2-wire data signals: Data-, Data+
Automatic transmit and receive control for 2-wire RS-485 half-duplex mode
Built-in termination and biasing
High speed serial port with baud rate up to 921.6K bps
Non-standard baudrates supported
LEDs of Power, TxD and RxD for easy port monitoring and diagnostic
Serial port protected with surge protection of 10KV
Powered by USB port, no external power adapter required
Easy plug and play installation and RS-422/485 device connection
COM port number assigned can be changed to any COM port number required
Works with USB 1.1 & 2.0 host port
Supports Windows 7, Vista, 2003, XP, 2000 and Linux

USB-COMi-TB

USB Bus
Compliance	USB 1.0/1.1 compliant, USB 2.0 compatible
Speed	12 Mbps, full-speed USB
FIFO	128 byte transmit FIFO 384 receive FIFO

Serial Interface
Port Type	RS-422/RS-485
Number of Ports	1
Connectors	5-pin terminal block

Serial Line Protection
ESD Protection	10KV

Serial Port Speed
Baudrate	300 bps to 921.6k bps

Serial Communication Parameters
Data Bits	5, 6, 7, 8
Stop Bits	1, 1.5, 2
Parity	None, Even, Odd, Space, Mark
Flow Control	RTS/CTS, XON/XOFF

Serial Signals
RS-422	TxD-(A), TxD+(B), RxD+(B), RxD-(A), GND
RS-485-4 wire	TxD-(A), TxD+(B), RxD+(B), RxD-(A), GND
RS-485-2 wire	Data-(A), Data+(B), GND

Driver Support
OS	Windows 7, Vista, 2003, XP (WHQL certified) and 2000 Linux Kernel 2.4 and up built-in support

Power Supply
Input	Bus-powered No external power adapter required

Mechanical
Chassis	Plastic, ABS

Environmental
Operating Temperature	0 to 55 °C (32 to 131 °F)
Operating Humidity	5 to 95% RH
Storage Temperature	-20 to 75 °C (-4 to 167 °F)
Safety Approvals	EN55022 Class B, EN55024, EN61000-3-2, EN61000-3 IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11. CISPR PUB. 22 and FCC Part 15 Class B.