Allied Telesis AT-PWR06 Switch User Manual


 
Stack Installation Guide for AT-2552XS L2 Data Center Switch
77
If the remote network device is a managed device, use its
management firmware to determine whether its port is enabled.
Test the attenuation on the fiber optic cable with a fiber optic tester
to determine whether the input optical signal is too weak
(sensitivity) or too strong (maximum input power).