SwitchBlade x3112 Installation Guide - Allied Telesis

SwitchBlade x3112 Installation Guide
AT-SBx31GS24 SFP Line Card Fiber Optic Port Link LED is Off
When a fiber optic port on the switch is connected to a properly operating
end node, the Link LED for the port should be on. If a Link LED is off, do
the following:
Check that the fiber optic ports on the switch and on the end node are
operating at the same speed and duplex mode.
Verify that the ecofriendly push button setting on the front panel is not
set to the power saving mode by pressing the ecoSwitch push- button
on the front panel.
Verify that the end node connected to the port is powered ON and is
operating properly.
Check that the fiber optic cable is securely connected to the port on the
switch and the port on the end node.
Check that the SFP transceiver is firmly inserted into the slot on the
switch.
Make sure that you are using the appropriate type of fiber optic cable
and that the cable length does not exceed the allowed maximum
distance. For cable specifications for an SFP module, refer to the
installation instructions that ship with the module.
Use a fiber optic tester to test the attenuation on the cable and the
strength of the optical signal. For the operating specifications of the
SFP module, refer to the installation instructions shipped with the
module.
Check that the operating specifications (for instance, wavelength and
maximum operating distance) of the fiber optic port on the remote end
node are compatible with the fiber optic port on the switch.
A fiber optic cable contains two separate fiber strands. One strand is
for receiving data and the other is for transmitting data. When you
connect a fiber optic cable to a port, be sure that the receive fiber
connector is connected to the transmit connector on the remote end
node, and that the transmit fiber connector is connected to the receive
connector on the remote node.
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