**Moxa NPort 5000AI-M12 Series**
1/2/4-Port RS-232/422/485 Serial Device Servers for Railway Applications

The **Moxa NPort 5000AI-M12 Series** is engineered for railway and rugged industrial environments, fully compliant with EN 50155 and EN 50121-4 standards. These serial device servers feature rugged M12 connectors, IP40-rated metal housing, and 2 kV isolation on serial lines, ensuring reliable operation under severe vibration and EMI conditions.

Quick deployment is possible via the intuitive 3-step web-based configuration, typically completed in just 30 seconds. With support for Real COM and TTY drivers across major platforms, SNMP monitoring, and secure communication via HTTPS and AES encryption, the NPort 5000AI-M12 series delivers both performance and peace of mind in mission-critical scenarios.

Key Features:

• 1, 2 or 4 serial ports (DB9), selectable RS-232/422/485 interfaces
• M12 D-coded Ethernet port (10/100BaseT(X))
• Metal housing with IP40 rating and M12 power input (12–48 VDC)
• Full railway compliance: EN 50155 (temperature, vibration, voltage) & EN 50121-4 (EMC)
• 2 kV isolation for serial signals
• Real COM & TTY drivers for Windows, Linux, macOS, Android, UNIX
• SNMP alarms and email alerts for event-driven monitoring
• COM port grouping and UDP multicast support

Technical Specifications:

Serial Ports:

• Port Count: 1 (NPort 5150AI-M12), 2 (5250AI-M12), 4 (5450AI-M12)
• Connector: DB9 male
• Protocols: RS-232, RS-422, RS-485 (2-wire/4-wire)
• Baudrate: 50 to 921.6 kbps
• Data Bits: 5, 6, 7, 8 | Stop Bits: 1, 1.5, 2 | Parity: None, Even, Odd, Space, Mark
• Flow Control: RTS/CTS, DTR/DSR, XON/XOFF
• Isolation: 2 kV

Ethernet Interface:

• 1 x 10/100BaseT(X) via M12 D-coded 4-pin female connector

Power Supply:

• Input Voltage: 12–48 VDC
• Consumption: 310 mA (1 port), 360 mA (2 ports), 440 mA (4 ports)
• Connector: M12 A-coded 5-pin male

Software & Security:

• Configuration: Web Console, Telnet, DSU, MCC Tool, Windows Utility
• Protocols: HTTPS, SNMPv1/v2c/v3, TCP, UDP, ARP, DHCP, DNS, LLDP, SMTP
• Encryption: AES-128, RSA-1024, SHA-1/256, TLS 1.2

Physical & Environmental:

• Dimensions: 80 x 216.6 x 52.9 mm | Weight: 686 g
• Housing: Metal, IP40 | Optional PCB coating (CT version)
• Operating Temp: -25 to 55 °C (standard) | -40 to 75 °C (wide temp)
• Humidity: 5 to 95% (non-condensing)

Certifications:

• Railway: EN 50155, EN 50121-4
• Safety: UL 60950-1
• EMC: EN 55032/35, FCC Class A, CISPR 32
• Immunity: IEC 61000-4-2~6, 4-8, 4-11
• Vibration: IEC 60068-2-6
• Green Standards: RoHS, CRoHS, WEEE

MTBF:

• 5150AI-M12: 789,341 hours
• 5250AI-M12: 639,622 hours
• 5450AI-M12: 467,777 hours

Package Contents:

• 1 x NPort 5000AI-M12 Series device
• 1 x Quick installation guide
• 1 x Warranty card