The Moxa NPort 5232I is a robust 2-port serial device server designed for RS-422/485 communication with built-in 2 kV optical isolation, making it ideal for demanding industrial environments. With a wide range of supported operating systems and network protocols, it enables seamless Ethernet connectivity for legacy serial devices. The device supports multiple operation modes including Real COM, TCP Server/Client, UDP, and Reverse Telnet. Its durable metal housing, wide input voltage range, integrated watchdog timer, buzzer, and real-time clock ensure reliability and operational safety in mission-critical applications.

Technical Specifications:

Ethernet Interface:

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

Ethernet Software Features:

• Management: DHCP, IPv4, SNTP, SMTP, SNMPv1, DNS, HTTP, ARP, BOOTP, Telnet, ICMP, UDP, TCP/IP
• Driver Support: Windows (95 to 11), Windows Server (NT to 2022), Linux (2.4.x to 6.x), Embedded CE, UNIX, macOS (10.x to 14), Android 3.1+
• Virtualization Support: VMware, Parallels, Fusion
• MIBs: RFC1213, RFC1317

Security Functions:

• Authentication via local password database

Serial Interface:

• 2 ports via terminal blocks
• Standards: RS-422, RS-485
• Modes: Real COM, TCP Client/Server, UDP, Ethernet Modem, Reverse Telnet
• Baudrates: 110 to 230400 bps
• Data Bits: 5, 6, 7, 8
• Stop Bits: 1, 1.5, 2
• Parity: None, Even, Odd, Space, Mark
• Flow Control: XON/XOFF
• RS-485 Direction Control: ADDC
• Pull High/Low Resistor: 1 kΩ fixed
• Isolation: 2 kV optical

Serial Signals:

• RS-422/485-4w: Tx+, Tx-, Rx+, Rx-, GND
• RS-485-2w: Data+, Data-, GND

Power Parameters:

• Input Voltage: 12 to 48 VDC
• Current: 365 mA @ 12 VDC
• Connector: 1 removable 3-pin terminal block

Reliability:

• Watchdog Timer: Built-in
• Alerts: Internal buzzer and RTC (real-time clock)

Physical Characteristics:

• Housing: Metal
• Dimensions (with ears): 90 x 100.4 x 35 mm
• Dimensions (without ears): 67 x 100.4 x 35 mm
• Weight: 380 g
• Installation: Desktop, DIN-rail (optional), wall mount

Environmental Limits:

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

Certifications and Standards:

• EMC: EN 55032/35
• EMI: CISPR 32, FCC Part 15B Class A
• EMS: IEC 61000-4-2 to -4-11
• Safety: UL 60950-1
• Marine: DNV
• Environmental: RoHS, CRoHS, WEEE

MTBF:

• 309,383 hours (Telcordia Standard TR/SR)

Warranty:

• 5 years (see www.moxa.com/warranty)