AT-GS950/8, AT-GS950/16 and AT-GS950/24 Switches Installation Guide
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If the remote network device is a management 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 optical signal is
too weak (sensitivity) or too strong (maximum input
power).
Problem 5: Network performance between a twisted pair port on the
switch and a network device is slow.
Solution: There might be a duplex mode mismatch between the port and
the network device. This occurs when a twisted pair port using Auto-
Negotiation is connected to a device with a fixed duplex mode of full
duplex. If this is the cause of the problem, adjust the duplex mode of the
port on the network device or on the switch so that both ports are using the
same duplex mode.
Problem 6: A port’s LINK/ACT LED is blinking.
Solutions: The link between the port and the network device is
intermittent. Try the following:
Connect another network device with a different cable
to the port. If the Link LED remains steady on, then the
problem is with the original cable or the network
device.
If the problem is with an SFP transceiver, check that
the transceiver is fully inserted in the slot.
