MOXA NPort IA5250I-TB-G2-T Introduction
The Moxa NPort IA5250I-TB-G2-T industrial device servers simplify the integration of serial devices into Ethernet-based control systems. It is ideal for Factory Automation, Utilities, and Process Control applications. With 2 x 10/100BaseT(X) RJ45 ports and 2 x 5-pin TB RS-232/422/485 interfaces, this device provides flexible connection options for a wide range of serial equipment. The metal housing offers excellent protection in harsh industrial environments, while the -40 to 75°C operating range ensures consistent performance. Its 12 to 48 VDC power input enhances installation flexibility, and 2 kV isolation safeguards data integrity during electrical disturbances. The NPort IA5250I-TB-G2-T guarantees long-term reliability, efficient network communication, and reduced maintenance costs a smart choice for professionals seeking durability and seamless industrial connectivity.
MOXA NPort IA5250I-TB-G2-T Certifications

MOXA NPort IA5250I-TB-G2-T Features
- 2 x 10/100BaseT(X) Ports (RJ45 connector) and 2 x 5-pin TB port RS-232/422/485
- Ethernet Interface: RJ45
- 12 to 48 VDC Input Power
- Metal body
- -40 to 75°C operating temperature
- Serial Isolation: 2 kV
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| serial-to-ethernet : Interface | |
| Digital Input Channels | - |
| 10/100Mb RJ45 (Megabit) Ports | Yes: 2 x 10/100BaseT(X) Ports (RJ45 connector) |
| Digital Output Channels | - |
| Alarm Contact Channels | - |
| Magnetic Isolation Protection | 1.5 kV (built-in) |
| Protocols | - |
| serial-to-ethernet : Serial port specifications | |
| Flow Control | None, RTS/CTS, DTR/DSR, RTS Toggle, XON/XOFF |
| serial-to-ethernet : Communication details | |
| Wireless Standards | - |
| Maximum data transfer speed | - |
| Maximum direct range | - |
| serial-to-ethernet : Serial Interface | |
| Number of Ports | 2 x 5-pin TB |
| Serial Standards | RS-232/422/485 (software-selectable) |
| Connector | 2 x DB9 male |
| Console Port | - |
| serial-to-ethernet : General | |
| Management | ARP, DHCP Client, DNS, HTTPS, ICMP, IPv4, MDNS, LLDP, SMTP, SMTPS, SNMPv1/v2c/v3, TCP/IP, UDP, SNTP, WINS |
| MTBF | 2,809,979 hrs |
| Compatible operating systems | - |
| Fixed TTY Drivers | macOS versions: 14, 13, 12, and 11 |
| Linux Real TTY Drivers | Kernel versions: 6.x, 5.x, and 4.x |
| Automatic Reboot Trigger | - |
| serial-to-ethernet : Serial Communication Parameters | |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Baudrate | 50 bps to 921.6 kbps (supports non-standard baudrates) |
| Isolation | Yes: 2 kV |
| serial-to-ethernet : Power Requirements | |
| Connection | 8-pin terminal block |
| Input Voltage | 12 to 48 VDC |
| Input Current | 330 mA (max.) |
| serial-to-ethernet : Security | |
| Security | HTTPS (TLS 1.2), SNMPv3, SSHv2 |
| Encryption | HTTPS: ECC-256, ECC-384, ECC-521, RSA-1024, RSA-2048, RSA-3072, RSA-4096, AES-128, AES-256, SHA-256, SHA-384, HMAC, SSH: ECC-256, ECC-384, ECC-521, RSA-2048, AES-128, AES-256, SHA-256, SHA-384, HMAC, SNMPv3: AES-128, SHA-256, SHA-384, Secure OP mode: HTTPS: ECC-256, ECC-384, ECC-521, RSA-1024, RSA-2048, RSA3072, RSA-4096, AES-128, AES-256, SHA-256, SHA-384, HMAC, Config file import/export: AES-256, SHA-256, HMAC |
| Authentication | Local database |
| 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 : Features and capabilities | |
| Display | - |
| serial-to-ethernet : Physical Characteristics | |
| Installation | - |
| Standards and Certifications | EMC, EMI, EMS, Hazardous Locations, Maritime, Safety, Vibration, Freefall |
| Housing | Metal |
| Operation Humidity | 5 to 95% (non-condensing) |
