Description
Hexin HXSP-2108B RS-232 to RS-485/RS-422 Converter
Key Features
- Converts single-ended RS-232 signals to balanced RS-485 or RS-422 signals.
- Supports automatic RS-485 data-flow direction control for 2-wire half-duplex communication.
- Provides transparent asynchronous point-to-point or multi-point communication.
- Includes TXD, RXD and power LED indicators, plus 1500W surge protection.
- Metal enclosure with external 9V DC power input.
Technical Specifications
| Brand | Hexin |
| Model | HXSP-2108B |
| Standards | EIA RS-232, RS-485 and RS-422 |
| Serial Interfaces | 1 × RS-232 DB9; 1 × RS-485 or RS-422 DB9 with terminal block |
| Baud Rate | 300–115200 bps |
| Transmission Distance | RS-232: 5 m; RS-485/RS-422: 1800 m |
| RS-485 Signals | 485+, 485-, GND |
| RS-422 Signals | T+, T-, R+, R-, GND |
| Surge Protection | 1500W |
| Power Input | 9V DC external power supply |
| Operating Environment | -20 to 70°C; 5%–95% RH, non-condensing |
| Enclosure | Metal |
| Certification | CE, FCC, RoHS |
Typical Use
Suitable for:
- Industrial automation and control systems.
- Access control, parking and time-attendance systems.
- RS-232 equipment requiring communication with RS-485 or RS-422 devices.
Disclaimer
- Verify the serial standard, connector arrangement, power requirement, communication settings and equipment compatibility before ordering.
If you are unsure which model is suitable, chat with the NJ Bravo team before ordering. We will help you check the part number, connector, and compatibility.
Package Contents
- 1x Hexin HXSP-2108B RS-232 to RS-485/RS-422 converter.
Warranty
1-year warranty against manufacturing defects. Physical damage and misuse are not covered.
Additional Notes
Product Description
The Hexin HXSP-2108B connects RS-232 equipment to RS-485 or RS-422 serial networks. Its automatic data-flow control supports 2-wire RS-485 half-duplex operation without modifying existing RS-232-based software. This converter is intended for industrial serial communication applications and requires a 9V DC external power supply.



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