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Multimode OTDR Fibre Rings
- During OTDR testing there is a large reflection from the first connector in the system under test (at the OTDR port). This reflection saturates the receiver in the OTDR, temporarily 'blinding' it and creating a deadzone in which valid measurements cannot be made
- A launch fibre is therefore used between the OTDR and the system under test to absorb this deadzone
- The fibre rings offer a compact launch fibre that can be stored in most OTDR equipment cases
- Fibre rings can also be used at the end of a fibre link to ensure that the loss and reflectance of the last connector of the system under test is measured
- Multimode fibre rings are 150m in length and available with OM1 62.5/125µm, OM2, OM3 and OM4 50/125µm fibre
- The fibre rings can be terminated with any combination of FC, LC, SC and ST connectors
