Gorelink Communication (Shenzhen) Co., Ltd.
High Quality Fiber Optic Cabling and Components Manufacturer
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Application
FTTH access network
Telecommunication Networks
CCTV Networks
Data Center
Laboratories and Test Environments
Signal Loopback: The adapter takes the transmit signal from the optical port and sends it back into the same port as a receive signal. This loopback helps verify that the optical hardware is functioning correctly, especially in terms of signal integrity, transmission, and reception.
Fiber Types: Loopback adapters are available for different types of fiber optic cables, including single-mode and multi-mode fibers, and can be designed for different connector types, such as LC, SC, ST, and MTP/MPO.
Testing Functionality: They are often used in fiber optic testing or during installation procedures to ensure that the optical hardware (e.g., optical transceivers) is correctly transmitting and receiving signals.
General Specification
| Fiber Adapter Type | SC/UPC loopback | |
| Body Style | Duplex | |
| Fiber Mode | Singlemode | |
| Polish Type | UPC | |
| Insertion Loss | ≤0.3dB | |
| Mounting Type | No | |
| Housing Color | Plastic | |
| Durability | 1000 times | |
| Alignment Sleeve Material | Ceramic | |
| Flammability Rate | UL94-V0 | |
| Compliant | Telcordia GR-326-CORE | |
Ordering Information
| PART NO. | DESCRIPTION |
| G4493 | SC/UPC Singlemode Fiber optic Loopback module |
If you need any further assistance, please feel free to contact us at sales@gorelink.com .