Appendix B. Optical Amplifiers
B.1. How to connect an optical amplifier and a interface
board
An optical amplifier board is used to amplify a transmission signal that will travel a long distance, in that
way avoiding data loss during the course. The EDFA (Erbium Doped Fiber Amplifier) based boards can
be used with 1G or 10G ports and operate with wavelenghts of 1530nm at 1562nm. For this, you need to
connect the output from transceiver to the input IN from EDFA and connect the output OUT from EDFA
to the topology. An example is shown below:
Figure B-1. Connection between an ETH12+1x10GX and a GPC-OAB
Note: Be careful to not connect the output from transceiver to output OUT from EDFA.
EDFA board has +10dB power, if it will be used in stand tests is require to use an attenuator of 15db or a
60Km optical fiber. This avoid transceiver receptor to be damaged.
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