The Ebyte NS8 is a compact, LCC-packaged Ethernet-to-Serial server module that facilitates seamless bidirectional data conversion between UART serial interfaces and Ethernet networks, supporting multiple industrial protocols including Modbus gateway, TCP/UDP, MQTT, and HTTP, all within a compact 27x27mm footprint operating at 3.0-5.5V for flexible PLC and serial device networking.
| Parameter | Specification |
|---|---|
| Product Type | Ethernet Serial Server Module |
| Interfaces | Ethernet, UART Serial Port |
| Operating Voltage | 3.0 to 5.5 V |
| Network Protocols | TCP, UDP, MQTT, HTTP, Modbus |
| Package Type | LCC SMD |
| Dimensions | 27 x 27 x 2.8 mm |
| Weight | 5 grams |
| project | illustrate |
| Operating Voltage | 3.0~5.5V (DC) |
| Working current | 200mA @ 5V |
| Serial port level | TTL level (3.3V) |
| Operating mode | TCP Server (default), TCP Client, UDP Server, UDP Client, HTTP Client, MQTT Client |
| Socket connection | The TCP server supports up to 16 client connections |
| Network protocol | IP, TCP/UDP, IPv4, ICMP, APR, DHCP, DNS, HTTP, MQTT |
| IP address | Customizable (default, 192.168.3.7) |
| DNS | support |
| DNS domain name resolution server | Customizable (default 114.114.114.114) |
| configuration method | Configuration tools, AT commands |
| local port | Can be customized (default, channel 1 to channel 8: 8001-8008) |
| subnet mask | 255.255.255.0 (default, customizable) |
| gateway | 192.168.3.1 (default, customizable) |
| Serial cache | 512Byte |
| packaging mechanism | 512 Bytes |
| Serial baud rate | 2400 ~ 115200 bps (default 115200) |
| data bit | 8 |
| stop bit | 1 (default), 2 |
| Check Digit | None (default), Odd, Even |
| Product Size | 27×27×2.8mm (L×W×H) |
| product weight | 3.5g |
| Working temperature and humidity | -40 ~ +85℃, 5% ~ 95%RH (no condensation) |
| storage temperature and humidity | -40 ~ +105℃, 5% ~ 95%RH (no condensation) |

Practical Application Scenarios
1. PLC Industrial Automation Networking
The NS8 serves as a compact bridge for legacy PLCs that lack built-in network connectivity. By converting serial Modbus RTU data into Modbus TCP, the module allows facility managers to integrate older controller hardware into modern SCADA or cloud-based monitoring platforms without replacing the original automation infrastructure.
2. Remote Power Monitoring and Management
In smart grid applications, the NS8 is integrated into power distribution cabinets to provide real-time Ethernet backhaul for serial-based energy meters. Its support for MQTT and HTTP allows for the direct streaming of load data, voltage levels, and consumption metrics to IoT cloud dashboards, simplifying remote oversight of energy infrastructure.
3. Smart Factory Instrument Integration
The module facilitates the digital transformation of specialized sensors and measurement instruments that only support UART protocols. By utilizing the NS8’s transparent transmission mode, these instruments can be easily mapped to factory Ethernet networks, allowing data logs to be processed by enterprise resource planning (ERP) systems for quality control and predictive maintenance.
FAQ Section
1. How does the LCC package facilitate hardware integration?
The LCC (Leadless Chip Carrier) package is specifically designed for high-density PCB mounting. It allows the NS8 to be surface-mounted directly onto the main control board of a device, eliminating the need for bulky connectors or cables. This saves valuable space and ensures a highly reliable, vibration-resistant electrical connection suitable for industrial environments.
2. Can the NS8 function as an MQTT gateway?
Yes, the NS8 supports comprehensive IoT gateway modes, including MQTT. This allows the module to act as an edge node that publishes data from serial devices directly to IoT brokers. It simplifies cloud integration for developers who want to avoid the complexity of secondary protocol translation at the server level.
3. Is the NS8 compatible with standard TCP/UDP socket communication?
Absolutely. In addition to specialized IoT protocols, the NS8 supports standard TCP Server, TCP Client, and UDP modes. This ensures compatibility with virtually any networked software or custom-built monitoring application that requires a stable, socket-based connection to serial field devices.






