sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Overview
The SC Single Mode 9μm Loopback plug is a specialized component designed to provide test engineers with a reliable method for testing the transmission capabilities and receiver sensitivity of optical network equipment. By routing the signal back to the source, technicians can accurately verify link performance and system integrity.
This loopback plug features a robust, compact design optimized for frequent use in laboratory and field environments. It is constructed with a high-durability, fire-retardant PVC jacket for enhanced protection and longevity. The unit is housed in a hard shell case, ensuring physical protection of the fiber assembly during transport and storage.
Key Features
-
Single Mode Compatibility
Optimized for 9μm single-mode fiber applications, ensuring accurate testing of high-speed telecommunications equipment. -
Compact Form Factor
Small footprint design allows for easy integration into high-density patch panels and test racks. -
Hard Shell Protective Case
Includes a dedicated case to protect the fiber and connector from damage when not in use. -
A and B Channel Markers
Features clear molded channel markers to simplify troubleshooting and connectivity verification. -
Extended Thumb Release
Long thumb release mechanism improves accessibility in tight, crowded network environments. -
Fire-Retardant Jacket
Cable assembly is protected by a durable, fire-retardant PVC jacket for increased safety and reliability.
Applications
- Testing of optical network equipment
- Receiver sensitivity verification
- Transmission capability validation
- Optical loopback testing in data centers
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 682X282 |
| Model | LBK-SC-S9-HS |
| Fiber Type | Single Mode |
| Core Size | 9μm |
| Connector Type | SC |
| Jacket Material | Fire-retardant PVC |
Frequently Asked Questions
What is the purpose of this loopback plug?
It is used by test engineers to verify the transmission and receiver sensitivity of optical network equipment by looping the signal back to the receiver.
Is this for single-mode or multimode fiber?
This specific model is designed for single-mode, 9μm fiber applications.
Does it come with a case?
Yes, it includes a hard shell case for protection during storage and transport.
What connector type is used?
This plug uses the SC connector standard.
Are there markers on the plug?
Yes, it features molded A and B channel markers to assist with identification and troubleshooting.

