IBM 4002-Y2A, Installation And User Manual

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Table 20. Network connection-related LED states. (continued)
LED
Desired
State
Meaning
Abnormal
State
Meaning or Action
HPOE
(1-24/48)
On Green The port is providing
HPOE power. Off A link is not established with the HPOE device. You
can do the following:
v
Verify that the connection to the other network
device has been properly made.
v If the other actions don't resolve the problem, try
using a different port or a different cable.
SFP
(1F~4F)
Link or
Activity
On Green A link is established
with the remote port. Off A link is not established with the remote port. You
can do the following:
v
Verify that the connection to the other network
device has been properly made. Also, make certain
that the other network device is powered on and
operating correctly.
v Verify that the transmit port on the y-series device
is connected to the receive port on the other
network device, and that the receive port on the
y-series device is connected to the transmit port on
the other network device. If you are not certain,
remove the two cable connectors from the port
connector and reinsert them in the port connector,
reversing their order.
v Dust may have accumulated in the cable connector
or port connector. For information about cleaning
the connectors, refer to “Cleaning the fiber optic
connectors” on page 37.
v
Verify that the port has not been disabled through a
configuration change.
v Check that the configuration has not forced the use
of the RJ45 port shared with the SFP port.
v
If the other actions don't resolve the problem, try
using a different port or a different cable.
SFP
(1F~4F)
Speed
On (Green
or Amber) A link is established
with the remote port. Off A link is not established with the remote port. You
can do the following:
v Check the Link LED to make sure the link is still
established with the remote port. If not, take the
actions described in the Meaning or Action column
for the Link LED.
Chapter 3. Checking network devices and testing connectivity
39