General
Galvanic network isolation	1,5 kV
Baud rates	110 – 230.400 bps
Data bits	5, 6, 7, 8
Stop bits	1, 1.5, 2
Pull-up/pull-down resistor	1 kΩ
Air humidity	5–95 % (nicht kondensierend)
MTBF (Telcordia Standard)	309.383 Stunden
RS-485 ADDC

The Moxa NPort 5232I-T is a Device-Server from the NPort 5200 Series, designed for networking serial devices over Ethernet. It enables the connection of up to two serial end devices, such as industrial controls, sensors or measuring instruments, to IP-based networks. The devices are designed for decentralized installations in factory automation, power distribution or building automation, and can be operational within minutes. By supporting Real COM- and TTY-drivers, existing serial applications can be continued without modifications. The RS-422/485 interfaces are accessible via a terminal block, with the 5232I model additionally offering 2 kV galvanic isolation to prevent interference and overvoltage.

Applications include industrial environments with high requirements for reliability and operational safety. The devices are suitable for use in factories, power plants or buildings where serial devices must be accessed via Ethernet. The automatic data direction control (ADDC) for RS-485 enables simple communication in multi-point networks without requiring additional hardware or external control logic. The integrated overvoltage protection function protects the devices against transient voltage spikes, which are common in industrial facilities.

Functions and equipment in detail include support for various operating modes such as TCP Server, TCP Client, UDP, Real COM, Pair Connection, Reverse Telnet and Ethernet Modem. Communication occurs at baud rates from 110 to 230,400 bps, with configurable data bits (5–8), stop bits (1, 1.5, 2) and parities (None, Even, Odd, Space, Mark). Flow control is supported via RTS/CTS, DTR/DSR (RS-232 only) and XON/XOFF. The network interface includes a 10/100BaseT(X) RJ45 connector with 1.5 kV galvanic isolation, ensuring secure data transmission even in electrically noisy environments.

Technology explained simply shows that the NPort 5232I-T acts as a bridge between serial devices and Ethernet networks. Serial data is converted into IP packets and transmitted over the network. Galvanic isolation protects against potential differences that could cause malfunctions or damage. The 2 kV isolation in the 5232I model provides additional protection, especially in environments with high electrical interference. The RS-422/485 interfaces are suitable for longer transmission distances and robust data transmission in industrial applications. The ADDC function automatically controls data direction in RS-485 mode, simplifying configuration.

Compatibility and accessories include support for various operating systems, such as Windows (95 to 11, Server 2000 to 2022, CE 5.0/6.0, XP Embedded), Linux (Kernel 2.4.x to 6.x), macOS (10.1x to 14), virtualization environments like VMWare and Parallels, as well as Android (API from 3.1.x). Network protocols include TCP/IP, UDP, DHCP, BOOTP, SNMPv1, HTTP, HTTPS, ARP, ICMP, SNTP, SMTP and DNS. Power supply is via 12 to 48 VDC, with power consumption between 280 and 365 mA. Connection is made via a removable 3-pole terminal block.

Mounting and installation is possible on a table, wall or DIN rail (accessory). The housing is made of metal and is compact in design. Dimensions are 90 x 100.4 x 35 mm (depth) with mounting bracket and 67 x 100.4 x 35 mm (depth) without mounting bracket. Weight is between 340 and 380 g. Mounting is simple and requires no special tools.

Operational advantages include high reliability, easy configuration and support for standard protocols. The wide-temperature operating temperature of -40 to 75 °C makes the device suitable for use in locations with extreme temperatures. Storage is at -40 to 75 °C, with humidity of 5–95 % (non-condensing). Certifications include EMC (EN 55032/35, FCC Part 15B), EMS (IEC 61000-4-2 to -4-11), Safety (UL 60950-1, EN 60601-1-2 for 5210), Maritime (DNV for 5230/5232) as well as environmental standards (RoHS, CRoHS, WEEE). The MTBF (Telcordia Standard) for the 5232 model is 309,383 hours.

The delivery includes the device itself, a quick installation guide and a warranty card.