12-Fibers MTP/MPO Female Type 1 LSZH 9/125
Single-mode Fiber Loopback Module
Fiber Loopback Plugs
Fiber Optic Loopbacks feature single mode (9µm) and multimode (50µm /62.5µm) loopback plugs designed for equipment testing, self-testing, engineering, network diagnostics and measurement applications. Known also as loopback adapters, loopback cables or fiber optic loopback modules (incorporating two fiber optic connectors) these devices are typically used for testing the transmission capability and receiver sensitivity of network equipment. They are an important part of troubleshooting in laboratories and manufacturing environments. A high optical performance is achieved due to a precision ceramic ferrule.
- High durability and low loss performance
- MTP/MPO Loopback Adapters – 12-Core & 24-Core
- Integrated shell and boot design (on the encased style)
- Custom designed strain relief boot (on the standard looped style)
- Jacket Style: PVC
Technical Information
Fiber type | 9/125 OS2 Single-mode | Fiber connector | MTP Female |
Return loss | SM>55dB MM>25dB | Insertion loss | MM<1.2dB, SM(G652D)<1.5dB, SM(G657A1)<0.75dB |
Tensile Resistance | 15kgf | Insert-pull test | 500times, IL<0.5dB |
Jacket material | LSZH | Size | 60mm*20mm |
Operation temperature | -40 to 85°C (-40 to 185°F) | HTS-Harmonized Code | 8517709000 |
Polarity Channel Alignment
FOCC provides type 1 polarity Loopback Modules as default for your networks.
And please note that 8/12 fibers MTP interface is for 40G and 24 fibers for 100G.
FiberXP Fiber Optic Loopback Adapters
MTP/MPO Loopback Adapters
How to perform and confirm a loopback test using a single strand of fiber:
1. Install transceiver or loopback module into switch. (If testing a module with a 40km or greater reach utilize the appropriate optical attenuator).
2. If using a loopback module the Tx and Rx ports will be connected to each other, if using a transceiver install the isolated ends of the same strand of cabling to the transmit and receive ports of the transceiver.
3. Once the ports are connected review the status of the link light. If lit, the port of hardware is functioning properly. If not, further troubleshooting is necessary.
Self-contained loopback module
Loopback created with single fiber strand
In conclusion, a loopback test is an easy way to confirm that your current hardware is working properly. There are many other factors involved including cabling, connection points and other network appliances but this technique will allow you to rule out those factors and confirm the functionality of your hardware.
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