IBM 4002-Y2A Installation And User Manual page 65

Table 20. Network connection-related LED states. (continued)
Desired
LED State Meaning
HPOE On Green The port is providing
HPOE power.
(1-24/48)
SFP On Green A link is established
(1F~4F) with the remote port.
Link or
Activity
SFP On (Green A link is established
(1F~4F) or Amber) with the remote port.
Speed
Abnormal
State Meaning or Action
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.
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.
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