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Overview
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Specifications
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Downloads
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Overview
Moxa NPort IA5250I-TB-G2 – 2-Port Industrial Device Server with 2 kV Isolation, Terminal Block Connectors, and Dual Ethernet Ports
The NPort IA5250I-TB-G2 connects isolated RS-232/422/485 serial devices to Ethernet networks
via terminal block connectors and dual Ethernet ports. It supports Modbus Gateway,
HTTPS/TLS management, and redundant DC power inputs for reliable industrial operation.
- 2 isolated serial ports RS-232/422/485 with 2 kV optical isolation
- Terminal block connectors for secure industrial wiring and vibration resistance
- Dual Ethernet ports for redundant or cascade configurations
- Security HTTPS, TLS/SSL, SNMPv3, AES/RSA encryption; IEC 62443-4-1 compliant
- Industrial design Dual 12–48 V DC inputs, IP30 metal housing, −40 to 75 °C operation
Ideal for control panels, substations, and utility systems where vibration resistance,
isolation, and redundancy are critical.
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Specifications
Technical Specifications
Serial Communication
- 2 × RS-232/422/485 (5-pin terminal block, software-selectable)
- Baud 50 bps–921.6 kbps; Data bits 5–8; Parity None/Even/Odd/Space/Mark
- Stop bits 1, 1.5, 2; Flow control RTS/CTS, DTR/DSR, XON/XOFF
- RS-485 2-wire with ADDC auto direction control
- Isolation: 2 kV optical isolation per port
Network Interface
- 2 × 10/100BaseT(X) RJ45 (auto MDI/MDI-X, 1.5 kV isolation)
- Protocols: TCP, UDP, DHCP, DNS, SNMP v1/v2c/v3, HTTP/HTTPS, SMTP
- Operating Modes: TCP Server, TCP Client, UDP, Pair Connection, Real COM, Modbus Gateway
Security
- TLS/SSL encryption; HTTPS, SNMPv3, AES-128/256, RSA (1024–4096), SHA-256/384
- Role-based access control (RBAC)
Configuration & Management
- Web console, CLI, SNMP, MXconfig
- Diagnostics: Event log, Modbus packet monitor, email alerts
Power & I/O
- 12–48 V DC dual redundant inputs; 220 mA @ 12 V DC
- Connector: 3-pin terminal block
Physical & Environmental
- Metal housing, IP30; DIN-rail or wall mount
- Dimensions: 36 × 100 × 111.5 mm; Weight: 340 g
- Operating temperature: −40 to 75 °C; Humidity: 5–95 % non-condensing
Certifications & Reliability
- EN 55032, EN 55035, EN 61000-6-2/-6-4; EN/UL 62368-1
- ATEX, IECEx, Class I Div 2 certified
- MTBF: ≈ 2,750,000 hours (Telcordia SR-332); Warranty: 5 years
Ordering
- NPort IA5250I-TB-G2 – 2 × RS-232/422/485 (2 kV isolation), terminal block connectors, 2 × RJ45 Ethernet, −40 to 75 °C
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Downloads