Manufacturer Part Number: MOXA UPort 1250
OEM Spec Ref 
The MOXA UPort 1250 is a highly versatile USB-to-serial converter designed to provide robust serial connectivity. This model allows for the connection of up to two RS-232/422/485 devices to a single USB port on your computer, offering a blend of performance and reliability suited for industrial applications.
Key Features:
Benefits:
Applications:
The MOXA UPort 1250 stands out for its reliability, supporting a wide range of industrial and commercial applications, thereby providing a flexible and efficient solution for managing serial devices.
| USB Interface | Speed | 12 Mbps, 480 Mbps | 
| USB Connector | USB Type B | |
| USB Standards | USB 1.1/2.0 compliant | |
| Serial Interface | No. of Ports | 2 | 
| 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 Standards | RS-232/422/485 (DB9 male 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 Features | Windows Drivers | 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 Drivers | Kernel 6.x, 5.x, 4.x, 3.x, 2.6.x, and 2.4.x | |
| Mac Drivers | 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) | |
| Arm®-based Platform Support | Linux kernel 5.x / 4.x | |
| Android API | Android 3.1.x and later | |
| Power Parameters | Input Voltage | 5 VDC | 
| Input Current | 360 mA @ 5 VDC | |
| Physical Characteristics | Housing | Metal | 
| Dimensions | 77 x 26 x 111 mm (3.03 x 1.02 x 4.37 in) | |
| Weight | 370 g (0.82 lb) | |
| Environmental Limits | Operating Temperature | 0 to 60°C (32 to 140°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 55032/35 | 
| 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 | Green Product | RoHS, CRoHS, WEEE | 
| MTBF | Time | 563,179 hrs | 
| Standards | Telcordia (Bellcore) Standard | |
| Warranty | Warranty Period | 5 years | 
| Details | See www.moxa.com/warranty | 
| Weight | 0.370 kg | 
|---|---|
| Dimensions | 7.7 × 2.6 × 11.1 cm |