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 such as SuperSpeed USB 3.2 and Hi-Speed USB 2.0, advanced UARTs for high serial performance, COM port mapping, fixed-base COM functionality and more.

Serial hub with 2 ports for RS-232/422/485 with 2 kV isolation

USB interface
Speed
– 12 Mbps, 480 Mbps
USB port
– USB Type B
USB standards
– USB 1.1/2.0 compliant

Serial interface
Number of ports
– 2
Connector
– DB9 male
Baud rate
– 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
Isolation
– 2 kV
Serial standards
– RS-232/422/485 (DB9 connector)

Serial signals
RS-232
– TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422
– Tx+, Tx-, Rx+, Rx-, GND
RS-485-4w
– Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w
– Data+, Data-, GND

Serial software functions
Windows driver
– Windows 11/10/8.1/8/7/Vista/XP/ME/98/95
– Windows Server 2022/2019/2016/2012 R2/2012/2008 R2/2008/2003/2000/NT
Linux driver
– Kernel versions: 6.x, 5.x, 4.x, 3.x, 2.6.x and 2.4.x
Mac driver
– macOS versions: 10.12 to 10.15, 11.x
Virtual machine
– VMware Fusion (Windows on macOS 10.12 to 11.x)
– VMWare ESXi (Linux Kernel 4)
– Parallels Desktop (Windows on macOS 10.12 to 11.x)
Support for Arm®-based platforms
– Linux Kernel 5.x / 4.x
Android API
– Android 3.1.x and higher

Performance parameters
Input voltage
– 12 to 48 VDC
Input current
– 200 mA @ 12 VDC

Physical characteristics
Housing
– Metal
Dimensions
– 77 x 26 x 111 mm (3.03 x 1.02 x 4.37 in)
Weight
– 680 g (1.5 lb)

Environmental conditions
Storage temperature (including packaging)
– -20 to 75°C (-4 to 167°F)
Relative humidity
– 5 to 95% (non-condensing)
Operating temperature
– 0 to 60°C (32 to 140°F)

Standards and certifications
EMC
– EN 55032/35
EMI
– CISPR 32, FCC Part 15B Class A
EMS
– IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 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
– IEC 61000-4-8 PFMF
Safety
– UL 60950-1

Declaration
Environmentally friendly product
– RoHS, CRoHS, WEEE

MTBF
Time
– 563.179 hours
Standards
– Telcordia (Bellcore) Standard