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NA111-M RS485 to Ethernet Serial Server TCP/UDP Four communication mechanisms Support Modbus gateway mode and MQTT/HTTP IoT gateway mode
[Introduction]：NA111-M is a serial port server that realizes serial port data ⇌ Ethernet data conversion; it has multiple Modbus gateway modes and MQTT/HTTP IoT gateway modes, which can meet the networking functions of various serial port devices/PLCs; it adopts industrial-grade design standards to ensure equipment reliability; the product has a built-in RJ45 interface, and the RS485 port uses a 3×2.54mm plug-in Phoenix head spring terminal. The product can be installed using a guide rail or a positioning hole.
Official Store| project | illustrate |
| Working voltage | 8～28V DC（NA111）/85～265V AC (NA111-A) |
| interface | Serial port (RS485, 3×3.81mm Phoenix terminal) Network port (RJ45) |
| working mode | TCP Server（default）、TCP Client、UDP Server、UDP Client、HTTP Client、MQTT Client |
| Socket connection | TCP server supports 6 client connections |
| network protocol | TCP/UDP、MQTT、HTTP、IPv4、DHCP、DNS |
| How to obtain IP | Static IP (default), DHCP |
| DNS domain name resolution | support |
| Domain name resolution server | 114.114.114.114 (customizable) |
| Configuration method | Web page, parameter configuration tool, AT command |
| IP address | 192.168.3.7 (customizable) |
| username | admin (customizable) |
| password | admin (customizable) |
| local port | 8887 (customizable) |
| subnet mask | 255.255.255.0 (customizable) |
| gateway | 192.168.3.1 (customizable) |
| Serial buffer | 1024 Byte |
| Packaging mechanism | 512 Byte |
| Serial baud rate | 1200 ~ 230400 bps (default 115200) |
| data bits | 5, 6, 7, 8 (default) |
| Stop bit | 1 (default), 2 |
| Check digit | None (default), Odd, Even |
| flow control | NONE (default), RTS/CTS, DSR/DTR, XON/XOFF |
| Product size | MA111/NA111-A：110×66×30mm （L×W×H） NA111-M：93×28×27mm（L×W×H） |
| Product weight | NA111：80g ± 5g NA111-A：90g ± 5g NA111-M：40g ± 5g |
| Working temperature and humidity | -40～+85℃, 5%～95%RH (no condensation) |
| Storage temperature and humidity | -40 ~ +105℃, 5% ~ 95%RH (no condensation) |