A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection.
The chain of connections is in the following order:
– Device
– LC/LC patch cable
– Patch panel
– Cross-connect fiber cable
– Patch panel
– LC/LC patch cable
– Switch
The connection is not working. The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed .
Which of the following is the MOST likely cause of the issue?
A . TX/RX is reversed
B . An incorrect cable was used
C . The device failed during installation
D . Attenuation is occurring
Answer: A
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