| Parameter Name | Value |
|---|---|
| General Information | |
| 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 Interface | |
| 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 |
| Serial Interface | |
| 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 |
| Electrical Protection | |
| ESD Protection | 15 KV (embedded) |
| Overvoltage Protection | Not specified (Standard industrial protection) |
| Mechanical Characteristics | |
| 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) |
| Environmental Conditions | |
| 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 |
| Software & Drivers | |
| Supported Operating Systems | Windows (7/8/10/11, Server), Linux, macOS, WinCE |
| Driver Type | Real COM (Windows), TTY (Linux/macOS) |
| Standards & Certifications | |
| 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 |
| Additional Information | |
| 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) |