| 摘要 |
The invention concerns a method of connecting a subscriber unit 12 to a fiberoptic communication network 14 via a fiberoptic interface device 30 adapted to function as an interface device 30 in a coarse wavelength division multiplex CWDM system. The interface device 30 comprises an electric circuit arrangement 32 and a first 34 and a second 36 receiving section adapted to receive transceiver modules 24, 70. According to the method, an opto-electric transceiver module 24 is arranged in said first receiving section 34 and connected to said fiberoptic communication network 14. A first electric transceiver module 70 is provided and arranged in said second receiving section 36. The interface device 30 is connected, via said electric transceiver module 70, to said subscriber unit 12 via electrical conduction paths 82, 86. The invention also concerns a method of testing the function of said interface device 30.
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