2 LAN Port Serial to 1 Port WiFi Converter for Sale in South Africa

Overview: What is a 2 LAN Port Serial to 1 Port WiFi Converter?

A 2 LAN port serial to 1 port WiFi converter is a network bridge that allows you to connect a serial device (usually via RS232, RS485, or TTL) to both wired Ethernet (two LAN ports for easy daisy-chaining or failover) and wireless WiFi networks. This device is especially valuable for industry, makers, and system integrators connecting PLCs, meters, sensors, or legacy hardware to new IP-based networks without replacing equipment.

Typical Applications

• Industrial automation-PLC/SCADA connectivity
• Remote monitoring-environmental, HVAC, utilities
• Education/labs-serial device sharing across classrooms or test benches
• Makers/DIY-custom networked projects integrating legacy serial hardware

Key Specifications and Feature Highlights

When selecting a converter, consider protocol support, voltage range, temperature rating, management options, and compatibility. Below is a comparison of important features found in leading models available locally:

Choosing the Right Converter: Key Criteria

Start by assessing the serial device(s) you need to connect-check if you require RS232, RS485, or TTL. Determine if dual Ethernet ports (for daisy-chaining or LAN failover) are needed in your topology, then confirm WiFi compatibility (band, AP/client modes, encryption support). Consider:

• Maximum baud rate required for your application
• Voltage and power input matching your environment (industry often 9-36V DC, hobbyist 5-12V DC)
• Physical form factor: DIN-rail/chassis for commercial, module form for breadboarding
• Configuration method: web UI for ease, or AT command for scripting/integration

Local Selection Notes and Popular Brands

Communica regularly stocks global and trusted local brands for serial-Ethernet/WiFi converters such as USR IOT, ATC, HI-LINK, and Waveshare, with variants suitable for industrial and maker tiers. Most models listed in Network & IO or All Products collections. Browse for models labeled "2 LAN / 1 WiFi Serial Converter" or ask branch staff for compatible options for your project specs.

Wiring, Integration, and Example SA Use Cases

Wiring usually involves connecting serial signals (TX, RX, GND and optionally RTS/CTS) from your equipment, applying power, then using Ethernet cables or configuring WiFi access as needed. See typical ASCII diagram:

PLC/Serial Device    Ethernet/PoE      WiFi
     |                 |                |
 [TX,RX,GND] --- [ CONVERTER ] ---< LAN/WAN >--- [WiFi Router/AP]
     |                                   |
 [RS485/RS232]                     [Mobile Device/Web UI]

Example Calculation

If your serial device runs at 115,200 baud and outputs 12V logic, select a converter with matching input and max supported baud rate. For multi-device sharing, ensure TCP server mode or serial port multiplexing support.

Troubleshooting and Local Buying Advice

• If the device fails to appear on your LAN: reset to factory defaults and run initial configuration via wired connection first.
• Intermittent WiFi drops? Place converter away from thick concrete or metal enclosures-WiFi range is often 20-40m in typical South African buildings.
• No response from serial device? Verify baud rate, parity, and wiring matches-swap TX/RX if using null-modem style pinout.
• For VAT quotes, educational use or volume projects, contact the nearest branch or check stock status online for local pickup and invoicing.

Resources

• Communica: Network & IO Devices Category
• USR IOT Official Product Datasheets
• Waveshare Serial to Ethernet/WiFi Wiki
• Communica Branches & Trading Hours
• Shop by Brand at Communica