Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Model | UTLH21 |
| Product Type | TC-net100 Optical Shared HUB |
| Network | TC-net100 (100 Mbps optical) |
| Transmission Standard | 100BASE-FX |
| Connector Type | MT-RJ optical |
| Typical Fiber | 62.5/125 μm or 50/125 μm multi-mode |
| Max Segment Distance | Up to 2 km (typical) |
| System Compatibility | Toshiba Unified Controller nv Series |
| Function | Shared optical hub for remote I/O networking |
4. Product Introduction (Anti-Template)
The Toshiba UTLH21 is an optical shared hub designed for the TC-net100 network used with the Unified Controller nv Series. TC-net100 is Toshiba’s high-speed, deterministic 100 Mbps optical field network that connects remote, field-mounted I/O modules to the controller over a fault-tolerant ring.
The UTLH21 acts as a shared optical hub, allowing multiple I/O stations and network devices to be interconnected on the optical ring. It uses MT-RJ optical connectors and supports standard multi-mode fiber. By moving I/O communication to a high-speed optical network, the nv Series architecture significantly reduces the amount of conventional wiring required between the control room and the machine or process area while maintaining deterministic response times suitable for industrial control.

UTLH21

UTLH21

UTLH21

UTLH21
5. QC, Procurement & Logistics SOP
- Inbound Verification – Confirm model (UTLH21), optical port condition (MT-RJ), housing integrity, and any revision labels. Photograph all identifiers.
- Functional Testing – Install in a compatible nv Series / TC-net100 network, apply power, and verify optical link status and basic data passage where a test ring is available.
- QA & Packaging – Protect the optical ports with dust caps, clean the module, and pack in protective packaging suitable for optical networking equipment.
- Global Logistics & Export Compliance – Classify under the correct HS code for industrial network equipment. Packaging must protect optical interfaces; export documentation is prepared to minimize customs delays.
6. Technical Pitfalls & Integration Warnings
Fiber Type and Cleanliness – Use the correct multi-mode fiber and keep MT-RJ connectors clean. Contaminated or mismatched fiber is a common cause of link failures.
Ring Topology – TC-net100 is designed as a fault-tolerant ring. Incorrect cabling or open ring configuration can degrade determinism or cause network faults.
Compatibility – The UTLH21 is specific to the Toshiba nv Series TC-net100 network. It is not a general-purpose Ethernet optical switch.
Power and Grounding – Follow Toshiba guidelines for power supply and grounding to maintain noise immunity on the optical network.
7. Frequently Asked Questions (FAQ)
What is the realistic global lead time for a verified UTLH21?
As a specialized nv Series network module, availability depends on surplus stock. Typical lead time after verification is 5–15 business days plus standard shipping.
What is the function of the ?
It is a TC-net100 Optical Shared HUB used to interconnect devices on Toshiba’s 100 Mbps optical field network.
What system is it used with?
Toshiba Unified Controller nv Series.
What type of fiber does it use?
Multi-mode fiber with MT-RJ connectors (typically 62.5/125 μm or 50/125 μm).
What is the network speed?
100 Mbps (100BASE-FX).
Is it still in active production?
It is a mature product in the nv Series family and is primarily available through surplus and specialist channels for existing installations.
What should be confirmed before ordering a replacement?
Exact model (), compatibility with the existing TC-net100 network, and the condition of the optical fiber plant.
