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

Moxa’s NPort 5000AI-M12 Series brings legacy serial devices online instantly. Designed for high-vibration, mission-critical environments such as rolling stock or trackside control systems, these rugged serial device servers are fully compliant with EN 50155 (including temperature, voltage, surge, vibration) and EN 50121-4 for EMC.

Setup takes just 30 seconds with the intuitive 3-step web interface. These models support COM port grouping, SNMP alerts, UDP multicast, and advanced security with HTTPS encryption and AES.

Technical Details:

Ports:

• Serial Ports: 1 (5150AI-M12), 2 (5250AI-M12), 4 (5450AI-M12)
• Connector: DB9 male
• Interface Standards: RS-232, RS-422, RS-485 (2/4-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
• RS-485 Direction: Automatic (ADDC)

Ethernet Interface:

• 1 x 10/100BaseT(X), M12 D-coded 4-pin female
• Protocols: TCP/IP, UDP, HTTP/HTTPS, SNMPv1/v2c, Telnet, DHCP, BOOTP, DNS, ARP, LLDP

Driver Support:

• Real COM: Windows 95–11, Windows Server up to 2022, Windows Embedded CE
• TTY: Linux (Kernel 2.4–5.x), UNIX variants, macOS, Android

Security:

• Authentication: Local database
• Encryption: HTTPS (TLS 1.2), AES-128, RSA-1024, SHA-1/256
• SNMPv3 supported

Power Supply:

• Input: 12–48 VDC
• Current Draw:
• 5150AI-M12: 310 mA
• 5250AI-M12: 360 mA
• 5450AI-M12: 440 mA
• Connector: M12 A-coded 5-pin male
• Fully compliant with EN 50155 (24/48 VDC)

Physical Characteristics:

• Dimensions: 80 × 216.6 × 52.9 mm
• Weight: 686 g
• Housing: Metal, IP40
• Optional: Conformal Coating (for -CT models)
• Mounting: DIN rail or wall mount

Environmental Specifications:

• Operating Temp:
• Standard: -25 to 55 °C
• Wide Temp: -40 to 75 °C
• Storage Temp: -40 to 85 °C
• Humidity: 5–95% RH, non-condensing

Certifications:

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

Reliability:

• MTBF (25 °C):
• 5150AI-M12: 789,341 hrs
• 5250AI-M12: 639,622 hrs
• 5450AI-M12: 467,777 hrs
• Built-in WDT, buzzer, RTC

Package Contents:

• 1 × NPort 5000AI-M12 device server
• 1 × Quick installation guide
• 1 × Warranty card