MOXA NPort 5232I Serial to Ethernet Device Server
- Model: NPort 5232I
MOXA NPort 5232I INTRODUCTION
The Moxa NPort 5232I serial to Ethernet device server is a powerful solution for extending and modernizing industrial networks in factory automation environments. Part of the Moxa NPort series within industrial edge connectivity, this device converts RS-422/485 serial signals to Ethernet, enabling seamless integration of legacy equipment into modern network infrastructures. The NPort 5232I device server, a member of the Moxa NPort 5200 Series and serial device servers, offers two serial ports with 2 kV isolation, supporting baud rates from 110 bps to 230.4 kbps. Its versatile installation options, including desktop, DIN-rail (with optional kit), and wall mounting, allow engineers to deploy it in control cabinets or confined spaces easily. With a wide operating temperature range of 0 to 55°C, the NPort 5232I ensures reliable communication for sensors, controllers, and HMIs across complex factory automation systems. For complete technical details, see the Moxa NPort 5232I 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 the MOXA NPort 5232I 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.
MOXA NPort 5232I CERTIFICATIONS
Engineered to meet stringent industrial standards, the Moxa NPort 5232I serial to Ethernet device server complies with EMC, EMI, EMS,
safety, and medical certifications, guaranteeing robust and interference-free
operation even in challenging factory environments. Its certified design
provides engineers and system integrators with confidence in long-term reliability
and uninterrupted data flow, making it an essential general device server
within the industrial edge connectivity ecosystem. For a full list of compliance
and specifications, refer to the Moxa NPort 5232I Manual.

| Serial-to-Ethernet : Interface | |
| 10/100Mb RJ45 (Megabit) Ports | Yes : 1 Port |
| 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-422/485 |
| Connector | Terminal block |
| Console Port | No |
| Serial-to-Ethernet : Serial Communication Parameters | |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Flow Control | RTS/CTS (RS-232 only), DTR/DSR (RS-232 only), XON/XOFF |
| Baudrate | Supports standard baudrates (unit=bps): 110, 134, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 19200, 38400, 57600, 115200, 230400 |
| Isolation | Yes : 2KV |
| Serial-to-Ethernet : Serial Signals | |
| RS-232 | - |
| 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 | 1 removable 3-contact terminal block(s) |
| Input Voltage | 12 to 48 VDC |
| Input Current | 280 mA @ 12 VDC, 365 mA @ 12 VDC |
| Serial-to-Ethernet : General | |
| Management | DHCP Client, IPv4, SNTP, SMTP, SNMPv1, DNS, HTTP, ARP, BOOTP, UDP, TCP/IP, Telnet, ICMP |
| MTBF | 309,383 hrs |
| Compatible operating systems | Windows 11/10/8.1/8/7/Vista/XP/ME/98/95, Windows Server 2022/2019/2016/2012 R2/2012/2008 R2/2008/2003/2000/NT, Windows Embedded CE 5.0/6.0, Windows XP Embedded |
| Fixed TTY Drivers | macOS versions: 10.12 to 10.15, 11.x, 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 versions: 6.x, 5.x, 4.x, 3.x, 2.6.x, and 2.4.x |
| Automatic Reboot Trigger | Built-in WDT |
| Serial-to-Ethernet : Security | |
| Authentication | Local database (password only) |
| Security | No |
| Encryption | No |
| Serial-to-Ethernet : Features and capabilities | |
| Display | No |
| Serial-to-Ethernet : Physical Characteristics | |
| Dimensions | with ears: 90 x 100.4 x 35 mm (3.54 x 3.95 x 1.37 in), without ears: 67 x 100.4 x 35 mm (2.64 x 3.95 x 1.37 in) |
| Standards and Certifications | EMC: EN 55032/35; EMI: CISPR 32, FCC Part 15B Class A; EMS: IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV, IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m, IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV, IEC 61000-4-5 Surge: Power: 1 kV, IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m, IEC 61000-4-8 PFMF, IEC 61000-4-11; Safety: UL 60950-1; Maritime: DNV; Green Product: RoHS, CRoHS, WEEE; Telcordia (Bellcore) Standard TR/SR |
| Installation | Desktop, DIN-rail mounting (with optional kit), Wall mounting |
| Housing | Metal |
| Operating Temperature | 0 to 55°C (32 to 131°F) |
| Storage Temperature | -40 to 75°C (-40 to 167°F) |
| Operation Humidity | 5 to 95% (non-condensing) |
| Weight | 380 g (0.84 lb) |