StarTech.com LC Loopback Plug, Single Mode 9/125 LC Fiber Loopback Adapter, LC/UPC Connector Loopback Test Plug, Fiber Optic Loopback Tester - 0dB. Product type: Fiber cable tester, Supported connectors: LC, Test type: Loopback testing. Compliance certificates: CE, RoHS, Trade Agreements Act (TAA). Width: 14.2 mm, Depth: 50.5 mm, Height: 8.5 mm. Package width: 120 mm, Package depth: 90 mm, Package height: 12 mm. Master (outer) case width: 430 mm, Master (outer) case length: 335 mm, Master (outer) case height: 400 mm
Perform loopback testing and verify signal continuity in Single Mode LC fiber networks
This Single Mode LC Loopback Plug is a practical tool for verifying signal continuity, insertion loss, and port function in fiber optic networks. Ideal for technicians and IT Pros, it enables fast, consistent testing across LC/UPC fiber connections.
Test Single Mode Connections
This 9/125um LC Loopback Adapter is compatible with OS1 and OS2 LC/UPC cabling in point-to-point and structured installations. IEC and RoHS compliance ensures readiness for standardized deployments and testing in regulated environments.
Accurate Signal Diagnostics
Validate transceivers, isolate faults, and confirm port function across single mode LC switches and SFP/SFP+ devices. The 0dB low-loss design and high-precision ceramic ferrules deliver clean signaling for accurate, reliable diagnostics.
For Enterprise Fiber Switches
The streamlined LC connector fits securely into high-density fiber arrays without blocking adjacent ports. A durable ABS housing withstands wear from repeated use and is suitable for frequent testing in data centers and edge or on-prem installations.
Specifications
| General | |
|---|---|
| Brand | StarTech.com |
| Manufacturer part number | LOOPBACKLCLC00DB |
| HSSL part number | UK-STA-LOOPBACKLCLC00DB |
| UPC / GTIN | 0065030923538 |
| Product type | Network Cable Testers |
| Features | |
| Product type | Fiber cable tester |
| Test type | Loopback testing |
| Supported connectors | LC |
| Built-in display | No |
| Product colour | Black, Blue |
| Housing material | Acrylonitrile butadiene styrene (ABS) |
| Fiber mode structure | Single-mode |
| Fibre optic type | OS1/OS2 |
| Connector gender | Male |
| Certificates | |
| Compliance certificates | CE, RoHS, Trade Agreements Act (TAA) |
| Operational conditions | |
| Operating temperature (T-T) | -40 - 75 °C |
| Storage temperature (T-T) | -40 - 75 °C |
| Weight & dimensions | |
| Width | 14.2 mm |
| Depth | 50.5 mm |
| Height | 8.5 mm |
| Weight | 4 g |
Specifications are supplied by the manufacturer via Open Icecat and may change without notice. HSSL part number UK-STA-LOOPBACKLCLC00DB.
Additional information
LC/UPC Single Mode fiber loopback test plug; Low-loss 0dB for precise baseline testing; For Single Mode OS1/OS2; Low Insertion loss; Repeatability within 0.2dB; Rated for 1,000 test cycles; Compact ABS housing; IEC and RoHS compliant
Specifications
| Manufacturer | StarTech |
|---|---|
| Manufacturer part number | LOOPBACKLCLC00DB |
| Shipping weight | 0.01 lb |
| Product type | Hardware |
| UPC | 065030923538 |
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be ship to international destinations.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.