**Product Specifications:**
**Brand:** Shengwei
**Model:** RS232 to RS485/RS422 Bidirectional Communication Protocol Converter
**Features:**
- Lightning protection, optoelectronic isolation, and power supply included
- Full metal casing made of high-quality iron material for durability and impact resistance
- Optoelectronic isolation with up to 2500Vrms isolation voltage
- Fast transient voltage suppression protection and discharge tube for RS422/RS485 interface protection
- Plug and play, no need for jumper settings to achieve full-duplex (RS-422) and half-duplex (RS-485) mode conversion
- Automatic control of 1/0 circuit for zero-delay automatic send/receive conversion
- Direction control of data flow without handshake signals (e.g., RTS, DTR)
- Signal indicators for power (PWR), transmit (TXD), and receive (RXD)
**Interface:**
- RS-232 to RS-485/RS-422, RJ-45
**Communication Modes Supported:**
- Point-to-point/four-wire full-duplex
- Point-to-multipoint/four-wire full-duplex
- Point-to-point/two-wire half-duplex
- Point-to-multipoint/two-wire half-duplex
**Accessories Included:**
- RS-232 to RS-485/RS-422 converter
- Serial cable
- Power cord
- Product warranty card
- Certificate of compliance
- Terminal block
- User manual + warranty card
**Applications:**
- Industrial automation control systems
- Access control systems
- Parking systems
- Self-service banking systems
- Public bus fare collection systems
- Cafeteria meal sales systems
- Employee attendance management systems
- Municipal communication networks
**Note:** The product is designed for various applications in industrial and commercial settings, providing reliable and efficient data interface conversion solutions.
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