Product Details
Configured for high-speed signal extension in HNET communication networks, the ABB NTRL04, also cataloged as the NTRL04 Fiber Optic Repeater Termination Unit, provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
| Model | NTRL04 |
| Brand | ABB |
| Origin | United States / Sweden |
| Weight | 0.45 kg |
| Dimensions | 17.8 cm x 17.8 cm x 2.54 cm |
| Operating Temp | 0 to +60 deg C (Standard industrial parameters) |
| Power Consumption | 90 mA typical, 200 mA maximum |
| Voltage Range | 21.6 VDC minimum, 24 VDC nominal, 28 VDC maximum |
| Network Protocol | HNET |
| HNET Communication Rate | 4 Mbaud |
| Maximum Devices Supported | Up to 12 devices (6 redundant HNET drops) |
| Intra Cabinet Distance | 30 m (electrical) |
| Inter Cabinet Distance | 3,000 m (optical) |
| Fiber Optic Type | Multimode |
| Fiber Optic Size | 62.5/125 um |
| Attenuation | -3.5 dB/km |
| Wavelength | 840 nm |
| Bandwidth | 160 MHz/km |
| Connector Type | ST style with right-angle strain relief |
Backplane Bus Communication Velocity and Deterministic Networks
The hardware design leverages specialized physical layer media conversion to support a constant backplane bus communication velocity across the HNET infrastructure. Operable at a deterministic 4 Mbaud data rate, the transceiver circuits prevent frame jitter and transmission latencies between inter-cabinet nodes. Optical isolation characteristics provide cross-talk suppression and eliminate ground loop potential across the 3,000 m multimode fiber spans. The physical interface handles up to 6 redundant HNET drops without modifying firmware flash configuration parameters or decreasing network throughput.
Frequently Asked Questions
Q: What is the maximum current draw of the module under full load configurations?
A: The module exhibits a typical current draw of 90 mA at 24 VDC. Under peak traffic across all redundant HNET drops, the maximum current draw is rated at 200 mA.
Q: Can the fiber optic connectors accommodate standard straight ST cables?
A: The physical housing layout requires ST style connectors equipped with right-angle strain relief to maintain the specified 2.54 cm depth clearance inside the cabinet enclosure.
Q: What are the cable segment limitations for electrical versus optical links?
A: Electrical routing within a single cabinet or adjacent enclosures is restricted to 30 m. Optical links utilizing 62.5/125 um multimode fiber can extend up to 3,000 m without intermediate signal amplification.
Field Installation Guidelines
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Mounting Stability: Ensure the termination unit is securely locked onto the mounting structure to prevent mechanical stress on the right-angle ST fiber connectors.
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Fiber Cable Bend Radius: Adhere to the minimum bend radius specifications for 62.5/125 um multimode fiber cables during routing to avoid localized attenuation spikes exceeding -3.5 dB/km.
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Power Connection: Verify that input power remains within the 21.6 VDC to 28 VDC boundaries. External inline fusing is recommended to protect the internal DC-DC converter stages.
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Shielding and Grounding: Electrical HNET drop cables must be properly shielded, with the shield terminated at the designated cabinet ground bus to suppress electromagnetic interference.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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