The Moxa NPort 5430 is a robust 4-port RS-422/485 serial device server designed to connect legacy serial devices to Ethernet-based networks. It supports various operating modes and industry-standard protocols and is equipped with advanced security features including HTTPS with TLS 1.2 and SNMPv3. Its compact metal chassis, built-in LCD interface, and dual power inputs make it ideal for industrial automation and critical infrastructure applications requiring reliable and secure data communications.

Technical Specifications:

Ethernet Interface:

• 1x 10/100BaseT(X) RJ45 port
• Magnetic Isolation: 1.5 kV

Ethernet Software Features:

• Configuration: Telnet Console, Windows Utility, Web Console (HTTP/HTTPS)
• Protocols: ARP, BOOTP, DHCP, DNS, ICMP, IPv4, LLDP, Rtelnet, SMTP, SNMPv1/v2c, TCP/IP, Telnet, UDP
• Filtering: IGMP v1/v2
• Time Sync: SNTP
• Driver Support:
• Windows 95 to 11, Server 2000 to 2022
• Linux Kernel 2.4.x to 6.x
• macOS 10.12 to 11.x
• Android 3.1+
• UNIX: SCO, QNX, Solaris, FreeBSD, AIX, HP-UX
• Virtual Platforms: VMware, Fusion, Parallels

Security Functions:

• Authentication: Local database
• Encryption: HTTPS, AES-128, RSA-1024, SHA-1, SHA-256
• Security Protocols: TLS 1.2, SNMPv3

Serial Interface:

• 4x RS-422/485 ports (terminal block)
• Operation Modes: Real COM, TCP Server, TCP Client, UDP, Ethernet Modem, Pair Connection, Reverse Telnet, Disabled
• Baudrate: 50 to 921600 bps
• Data Bits: 5, 6, 7, 8
• Stop Bits: 1, 1.5, 2
• Parity: None, Even, Odd, Space, Mark
• RS-485 Pull Resistors: 1 kΩ, 150 kΩ
• Direction Control: ADDC (Automatic)
• Signal Pinout:
• RS-422: Tx+, Tx-, Rx+, Rx-, GND
• RS-485-4w: Tx+, Tx-, Rx+, Rx-, GND
• RS-485-2w: Data+, Data-, GND

Power Parameters:

• Dual power inputs
• Input Voltage: 12–48 VDC (24 VDC for DNV)
• Current: 320 mA @ 12 VDC
• Connectors: 1 removable 3-contact terminal block, 1 power jack

Reliability:

• Auto Reboot: Watchdog Timer
• Alerts: Buzzer and real-time clock (RTC)

Physical Characteristics:

• Housing: Metal
• Dimensions (with ears): 181 x 103 x 33 mm
• Without ears: 158 x 103 x 33 mm
• Weight: 740 g
• Interface: LCD panel with push buttons
• Installation: Desktop, wall, optional DIN rail

Environmental Limits:

• Operating Temperature: 0 to 55 °C
• Storage Temperature: -40 to 75 °C
• Humidity: 5–95% (non-condensing)

Standards and Certifications:

• EMC: EN 55032/35
• EMI: CISPR 32, FCC Class A
• EMS: IEC 61000-4-2 to -4-11
• Safety: UL 62368-1
• Marine: DNV

MTBF:

• 826,688 hours (Telcordia TR/SR Standard)

Warranty: