Moxa’s UPort USB-to-serial converters provide computers with high performance, industrial-grade connections for up to 16 serial devices over a single USB port. A wide range of converters are available with features that include SuperSpeed USB 3.2 and Hi-Speed USB 2.0, advanced UARTs for high-end serial performance, COM port mapping, fixed-base COM functionality, and more.

4-port RS-232 USB-to-serial converter

USB Interface
Speed
– 12 Mbps, 480 Mbps
USB Connector
– USB Type B
USB Standards
– USB 1.1/2.0 compliant

Serial Interface
Serial Standards
– RS-232
No. of Ports
– 4
Connector
– DB9 male
Baudrate
– 50 bps to 921.6 kbps
Data Bits
– 5, 6, 7, 8
Stop Bits
– 1, 1.5, 2
Parity
– None, Even, Odd, Space, Mark
Flow Control
– None, RTS/CTS, XON/XOFF

Serial Signals
RS-232
– TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

Power Parameters
Input Voltage
– 5 VDC
Input Current
– 240 mA @ 5 VDC

Physical Characteristics
Housing
– Polycarbonate (PC)
Dimensions
– 80 x 35 x 185 mm (3.15 x 1.38 x 7.28 in)
Weight
– Packaged: 455 g (1 lb)
– Product only: 210 g (0.46 lb)

Environmental Limits
Operating Temperature
– 0 to 55°C (32 to 131°F)
Storage Temperature (package included)
– -20 to 75°C (-4 to 167°F)
Ambient Relative Humidity
– 5 to 95% (non-condensing)

Standards and Certifications
EMC
– EN 55032/24
EMI
– CISPR 32, FCC Part 15B Class B
EMS
– IEC 61000-4-2 ESD: Contact: 8 kV; Air: 4 kV
– IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
– IEC 61000-4-4 EFT: Power: 1 kV
– IEC 61000-4-5 Surge: Power: 1 kV
– IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m
– IEC 61000-4-8 PFMF
Safety
– UL 60950-1
Vibration
– IEC 60068-2-6
Freefall
– IEC 60068-2-32

Declaration
Green Product
– RoHS, CRoHS, WEEE

MTBF
Time
– 3,901,775 hrs
Standards
– Telcordia (Bellcore), GB