| Product Model |
UPort 1250 |
| Product Type |
2-port RS-232/422/485 USB-to-Serial Converter |
| Manufacturer |
MOXA |
| Product Status |
Discontinued (Replaced by UPort 1250-G2) |
| Warranty Period |
5 Years |
| Key Features |
Hi-Speed USB 2.0, 921.6 kbps max baudrate, 128-byte FIFO, H/W & S/W flow control, 15N high retention USB Type B connector |
| USB Standard |
USB 2.0 (Hi-Speed & Full-Speed) compliant |
| USB Speed |
480 Mbps (Hi-Speed), 12 Mbps (Full-Speed) |
| USB Connector |
USB Type B (15N high retention) |
| Power Supply |
5 VDC from USB bus |
| Input Current |
360 mA @ 5 VDC |
| Number of Ports |
2 |
| Serial Standards |
RS-232, RS-422, RS-485 (2-wire & 4-wire) |
| Serial Connectors |
DB9 male (per port) |
| Maximum Baudrate |
50 bps to 921.6 kbps |
| FIFO Buffer |
128-byte (per port) |
| Flow Control |
Hardware (RTS/CTS, DTR/DSR), Software (XON/XOFF) |
| RS-232 Signals |
TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND |
| RS-422 Signals |
TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND |
| RS-485 4-wire Signals |
TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND |
| RS-485 2-wire Signals |
Data+(B), Data-(A), GND |
| ESD Protection |
15 KV (embedded) |
| Overvoltage Protection |
Not specified (Standard industrial protection) |
| Housing Material |
Metal |
| Dimensions (W x H x D) |
75.8 x 25.0 x 111.0 mm (2.98 x 0.98 x 4.37 in) |
| Weight |
180 g (0.40 lb) |
| Mounting Options |
Desktop or DIN-rail (with optional bracket) |
| Operating Temperature |
0°C to 55°C (32°F to 131°F) |
| Storage Temperature |
-20°C to 75°C (-4°F to 167°F) |
| Relative Humidity |
5% to 95% (non-condensing) |
| IP Rating |
IP20 |
| Supported Operating Systems |
Windows (7/8/10/11, Server), Linux, macOS, WinCE |
| Driver Type |
Real COM (Windows), TTY (Linux/macOS) |
| EMI Standards |
CISPR 32/EN 55032 Class B |
| EMS Standards |
EN 61000-4-2 (ESD), EN 61000-4-3 (RS), EN 61000-4-4 (EFT), EN 61000-4-5 (Surge), EN 61000-4-6 (CS), EN 61000-4-11 (Voltage Dips) |
| Safety Certifications |
UL 60950-1, CSA C22.2 No. 60950-1, IEC 60950-1 |
| Environmental Compliance |
RoHS Compliant |
| LED Indicators |
USB activity, TxD/RxD activity (per port) |
| Accessories Included |
Mini-DB9-female-to-terminal-block adapter (1130/1150), USB cable |
| Isolation |
None (Non-isolated model; Isolated version: UPort 1250I) |