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Isolation 4-channel serial port serve
Isolation 4-channel serial port serve
Isolation 4-channel serial port serve
Isolation 4-channel serial port serve
Isolation 4-channel serial port serve
Isolation 4-channel serial port serve
NB144E-V2 Isolation 4-channel serial port server Bidirectional transparent data transmission between serial and Ethernet

[Interface Signal]：RS485/RS232/RS422

[Operating Voltage]：DC 8-28V

[Network Protocols]：IP, TCP/UDP, IPv4, ICMP, APR, DHCP, DNS, HTTP, MQTT

[Installation method]：positioning hole installation

[Size]：198*109*26.5mm

[Product weight]：517 ± 5g

[Introduction]：The NB144E-V2 is a second-generation 4-port serial server developed by Ebyte. It integrates a TCP/IP protocol stack, enabling bidirectional transparent transmission of serial-to-Ethernet data, Modbus protocol conversion, and serial device cloud connectivity. Supporting host computer configuration, it is widely used in industries such as computer room monitoring and environmental monitoring. It is coated with conformal coating, offering anti-mold, anti-humidity, and anti-salt spray properties.

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project interface illustrate
power supply Wire terminal

DC 8~28 V, power cannot be input simultaneously;

Wire terminal: 5.08mm*2 Phoenix terminal;

DC female

DC female connector: straight-in round hole, outer diameter 5.5mm, inner diameter 2.0mm;

Network port RJ45

10/100M

Working Mode TCP Server、TCP Client、UDP Server、UDP Client、HTTP Client、MQTT Client（默认 TCP Server）
Socket Connection TCP server single serial port supports up to 5 client connections
Network Protocol IP、TCP/UDP、IPv4、ICMP、APR、DHCP、DNS、HTTP、MQTT
How to obtain IP DHCP, static IP (default static IP)
Domain name resolution support
Configuration method Configuration tools, AT commands
IP address Customizable (default, 192.168.3.7)
Local Port Customizable (default, channel 1 to channel 8: 8001-8008)
Subnet mask Customizable (default, 255.255.255.0)
Gateway Customizable (default, 192.168.3.1)
Serial port buffer 8×3k Byte
Serial port packaging mechanism 1024 Byte
Serial port baud rate 2400 to 115200 bps (default 115200)
Data bits 8
Stop bits 1 (default), 2
Check digit None (default), Odd, Even
Installation Positioning hole installation
Working temperature and humidity -40 ~ +85℃, 5% ~ 95%RH (non-condensing)
Storage temperature and humidity -40 ～ +105℃, 5% ～ 95%RH (non-condensing)