

ABB Bailey Infi 90 NTRL02B Fiber Optic Remote I/O Termination Unit
The ABB NTRL02B is a fiber optic remote i/o termination unit for ABB platforms. Type: Fiber Option Remote I/O Termination Unit | System compatibility: ABB Bailey INFI 90 and Net 90 control systems | Connections: Fiber optic TX/RX plug‑in board (assembly part number 6644811A1). Factory-sealed, live-rack tested, 48-hour burn-in. 12-month warranty. Ships within 24 hours.
Technical Specifications
| NTRL02B | Remote I/O Termination Unit is a communication interface module designed for Bailey INFI 90 and Net 90 systems. It enables remote I/O subsystems to connect via fiber optic links, ensuring high‑speed, noise‑immune data transfer in industrial automation environments. |
|---|---|
| Model | NTRL02B |
| Type | Fiber Option Remote I/O Termination Unit |
| System compatibility | ABB Bailey INFI 90 and Net 90 control systems |
| Connections | Fiber optic TX/RX plug‑in board (assembly part number 6644811A1) |
| Weight | ≈0.57 kg |
| Communication medium | Fiber optic cable for remote I/O integration |
| Condition | Available new or refurbished depending on supplier |
| Warranty | Typically 12 months |
| Origin | ABB Bailey product line |
| Fiber optic communication | Provides high‑speed, noise‑immune data transfer between controllers and remote I/O subsystems |
| Plug‑in design | Includes a board with TX/RX connectors for easy installation and replacement |
| System integration | Seamlessly connects with ABB Bailey INFI 90 and Net 90 architectures |
| Reliability | Designed for mission‑critical process automation environments |
| Compact form factor | Lightweight module for rack installation |
| Serviceability | Field‑replaceable unit with standard ABB support |
| Manufacturer | ABB |
| Model / SKU | NTRL02B |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Why We Test Every Module — Not Just Look at It
In the surplus market, "tested" is a word that gets stretched. We define it clearly for the ABB NTRL02B: power-up on a live ABB rack, all channels exercised with calibrated sources, communication ports verified, 48 hours of continuous operation at 55°C. A printed test report with serial number, test date, and measured values accompanies every shipment. This is what real testing looks like — not a visual inspection, not a "light comes on" check.
Factory-sealed. Genuine ABB with full traceability. 12-month warranty. Ships within 24 hours from Shenzhen via DHL, FedEx, or UPS.
Compatible Parts — Same System
These modules share the same system family as the NTRL02B. Commonly ordered together for complete rack builds or spare parts kits.
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