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Loopback Adapter

Also known as loopback plug and fiber optic loopback cable, loopback adapter is a device which feeds the received signal back to the sender. By sending back the signal, it is used to detect the potential problems in network links. A link between two points in different locations may be tested by applying a test signal on the link in one location, and having the loopback at the other location send a signal back through the link. If this fiber optic loopback adapter receives its own signal back, this proves that the link is properly functioning.

Loopback Adapter

We provide different kinds of fiber optic loopback connectors. The connector used come in different types such as SC, LC, MU, MT-RJ. The loopback adapter comes with bare fiber or 0.9mm cable and 2.0mm cable. It can be customized according to customers' specific requirements. It is compliant with ROHS standard.


Loopback Adapter Features
1. Sturdy, high-quality ferrule
2. Low insertion loss and high return loss
3. High exchangeability and durability
4. The loopback module can be customized according to customers' requirements.
5. Compact structure


Loopback Adapter Applications
1. Various testing instruments
2. Optical fiber communication system
3. Telecommunication network
4. CATV, LANs and WANs

Loopback Adapter Specifications
Parameter Specifications
Single mode loopback adapter Multimode loopback adapter
Testing Wavelength 1,310nm, 1,550nm 850nm, 1,300nm
Insertion Loss Typical≤0.20dB, max.≤0.30dB Typical≤0.40dB, max.≤0.50dB
Return Loss UPC≥50.0dB, APC≥60.0dB ≥35.0dB
Repeatability ≤0.10dB
Exchangeability ≤0.20dB
Durability 1,000 Mating, typical≤0.30dB
Operating Temperature -20℃ to 70℃
Storage Temperature -40℃ to 85℃


Note: please contact our clerks for more information.


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