USB-4COM 4-port USB to serial adapter (RS232)
Features:
- Adds four high speed RS-232 serial ports by connecting to a USB port
- Robust and compact plastic housing
- Powered by USB port, no external power adapter required
- LEDs indicate TxD and RxD for easy port monitoring and diagnosis
- Installs as a standard Windows COM port
- Full RS-232 modem control signals and hardware/software flow control
- Serial port protected with surge protection of 10kV
- Non-standard baudrates supported
- Easy plug and play installation and RS-232 device connection
- High speed serial port with baud rate up to 921.6kbps
- Supports Windows XP to 10, Server 2000 to Server 2016 (WHQL certified)
- Supports Linux Kernel 2.4 and above
- Supports Mac OS X 10.9 and above, driver signed by Apple
Specifications:
| USB Bus | |||||||
| Compliance | USB 1.0/1.1 compliant, USB 2.0 & 3.0 compatible | ||||||
| Speed | 12Mbps, full-speed USB | ||||||
| FIFO | 128 byte transmit 384 byte receive | ||||||
| Serial Interface | |||||||
| Interface | RS-232 | ||||||
| Number of Ports | 4 | ||||||
| Connector | DB9 male | ||||||
| Max. Speed | 921.6kbps for transmit & receive | ||||||
| RS-232 Signals | DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI | ||||||
| Protection | 10kV ESD protection for all signals | ||||||
| Serial Communication Parameters | |||||||
| Data Bits | 5, 6, 7, 8 | ||||||
| Parity | None, odd, even, mark, space | ||||||
| Stop Bit | 1, 1.5, 2 | ||||||
| Flow Control | Hardware (RTS, CTS), XON/XOFF | ||||||
| Power | |||||||
| Power Input | Power supplied via USB (5V) connector No external power needed | ||||||
| Mechanical | |||||||
| Casing | Plastic, ABS | ||||||
| Environmental | |||||||
| Operating Temperature | 0°C to 55°C (32°F to 131°F) | ||||||
| Storage Temperature | -20°C to 75°C (-4°F to 167°F) | ||||||
| Operating Humidity | 5% to 95% RH | ||||||
| Safety Approvals | CE, FCC | ||||||
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