MOXA NPort IA5250A Serial to Ethernet Device Server
- Model: NPort IA5250A
MOXA NPort IA5250A INTRODUCTION
The Moxa NPort IA5250A serial to Ethernet device server is a
rugged industrial device designed to securely connect legacy serial equipment
to Ethernet networks in mission-critical environments. Positioned within
industrial edge connectivity, this model extends the capabilities of Moxa’s serial device servers by delivering reliable serial-to-Ethernet communication
for industries such as factory automation, oil and gas, marine, and water and
wastewater operations, where electrical noise and harsh conditions are common.
As part of the industrial device servers lineup and the Moxa NPort IA5000A series, the NPort IA5250A supports two serial ports with RS-232/422/485
standards, allowing flexible integration with a wide range of industrial
controllers and instruments. Practical installation options, including DIN-rail
mounting and wall mounting with an optional kit, make deployment
straightforward in control cabinets or field enclosures. With its robust design
and proven reliability, the Moxa NPort IA5250A can significantly improve
network stability and device accessibility, making it a strong investment for
long-term industrial systems. For engineers seeking deeper technical insight,
detailed specifications are available in the Moxa NPort IA5250A datasheet.
As an Authorized Distributor of MOXA, Manufacturers Automation Inc. (ManuAuto) offers a wide variety of Industrial Automation and Communication products across North America, including Canada (Ontario, Toronto) and the US. Buy MOXA NPort IA5250A Serial to Ethernet Device Server online at a competitive price, with on-time delivery and fast shipping services. Our certified engineers are always available to support you.
You can also find the NPort IA5150A-IEX, NPort IA5150AI-IEX, NPort IA5250A-IEX, and NPort IA5250AI-IEX models in the MOXA NPort IA5000A Series.
MOXA NPort IA5250A CERTIFICATIONS
In terms of compliance and durability, the Moxa NPort IA5250A device server is built to meet strict industrial and hazardous-location
requirements. The device conforms to safety, EMI, EMS, and EMC standards,
ensuring dependable operation in electrically demanding installations. It is
also certified for ATEX and Class I Division 2 hazardous locations, making it
suitable for regulated environments such as oil and gas facilities and chemical
plants. Resistance to vibration, shock, and freefall further reinforces its
suitability for field deployment and mobile or mechanically stressed
applications. These certifications underline Moxa’s commitment to delivering
industrial-grade reliability and make the NPort IA5250A a trustworthy choice
for critical serial-to-Ethernet networking solutions.

| Serial-to-Ethernet : Interface | |
| 10/100Mb RJ45 (Megabit) Ports | Yes : 2 Ports |
| 100BaseFX Ports | No |
| Digital Input Channels | No |
| Digital Output Channels | No |
| Magnetic Isolation Protection | 1.5 kV (built-in) |
| Alarm Contact Channels | No |
| Protocols | - |
| Serial-to-Ethernet : Serial Interface | |
| Number of Ports | 2 Ports |
| Serial Standards | RS-232, RS-422, RS-485 |
| Connector | DB9 male (RS-232/422/485) |
| Console Port | No |
| Serial-to-Ethernet : Serial Communication Parameters | |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | Even, Odd, Space, Mark, None |
| Flow Control | RTS/CTS (RS-232 only), DTR/DSR (RS-232 only), XON/XOFF, None |
| Baudrate | Supports standard baudrates (unit=bps): 50, 75, 110, 134, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 19200, 38400, 57600, 115200, 230.4k, 460.8k, 921.6k |
| Isolation | No |
| Serial-to-Ethernet : Serial Signals | |
| RS-232 | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| RS-422 | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-4w | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-2w | Data+, Data-, GND |
| Serial-to-Ethernet : Communication details | |
| Wireless Standards | No |
| Maximum data transfer speed | No |
| Maximum direct range | No |
| Serial-to-Ethernet : Power Requirements | |
| Connection | - |
| Input Voltage | 12 to 48 VDC |
| Input Current | 250 mA @ 12 VDC |
| Serial-to-Ethernet : General | |
| Management | ARP, BOOTP, DHCP Client, DNS, HTTP, HTTPS, ICMP, IPv4, LLDP, Rtelnet, SMTP, SNMPv1/v2c, TCP/IP, Telnet, UDP |
| MTBF | 262,805 hrs |
| Compatible operating systems | Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10/11 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64), Windows Server 2022, Windows Embedded CE 5.0/6.0, Windows XP Embedded |
| Fixed TTY Drivers | SCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5. x, HP-UX 11i, Mac OS X |
| Linux Real TTY Drivers | Kernel version: 2.4.x, 2.6.x, 3.x, 4.x |
| Automatic Reboot Trigger | - |
| Serial-to-Ethernet : Security | |
| Authentication | Local database |
| Security | Protocols: HTTPS (TLS 1.2) |
| Encryption | HTTPS, AES-128, RSA-1024, SHA-1, SHA-256 |
| Serial-to-Ethernet : Features and capabilities | |
| Display | No |
| Serial-to-Ethernet : Physical Characteristics | |
| Dimensions | 36 x 105 x 140 mm (1.42 x 4.13 x 5.51 in) |
| Standards and Certifications | EMC: EN 55032/35; EMI: CISPR 32, FCC Part 15B Class A; EMS: IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV, IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m, IEC 61000-4-4 EFT: Power: 4 kV; Signal: 2 kV, IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV, IEC 61000-4-6 CS: 150 kHz to 80 MHz: 10 V/m; Signal: 10 V/m, IEC 61000-4-8 PFMF, IEC 61000-4-11; Hazardous Locations: UL/cUL Class I Division 2 Groups A/B/C/D, ATEX Zone 2; Safety: UL 508; Vibration: IEC 60068-2-6; Shock: IEC 60068-2-27; Freefall: IEC 60068-2-32; Green Product: RoHS, CRoHS, WEEE; Telcordia (Bellcore) Standard TR/SR |
| Installation | DIN-rail mounting, Wall mounting (with optional kit) |
| Housing | Metal |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature | -40 to 75°C (-40 to 167°F) |
| Operation Humidity | 5 to 95% (non-condensing) |
| Weight | 485 g (1.07 lb) |