EMC DS-4900B Hardware Reference Manual page 46

Operating the DS-4900B
Table 3-1
LED name
Power Status
System Status
Ethernet Speed No light
Ethernet Link
3-4
EMC Connectrix B Series DS-4900B Hardware Reference Manual
Table 3-1 describes the LEDs and their actions on the port side of the
switch.
Port side LED patterns during normal operation
LED color Status of hardware
No light System is off or there is an internal
power supply failure.
Steady green System is on and power supplies are
functioning properly.
No light System is off or there is no power.
Steady green System is on and functioning properly.
Steady amber (for Unknown state, boot failed, or the
more than five system is faulty.
seconds)
This LED displays steady amber during
POST, this is normal and does not
indicate a fault.
Flashing Attention is required. A number of
amber/green variables can cause this status including
a single power supply failure, a fan
failure, or one or more environmental
ranges has exceeded.
Port speed is 10 Mb/sec.
Steady green Port speed is 100 Mb/sec.
No light There is no link.
Steady amber There is a link.
Flashing amber/no There is link activity (traffic).
light
Recommended action
Verify that system is powered on (power
supply switches to "1"), the power cables
attached, and your power source is live.
If the system power LED is not green,
the unit may be faulty.
Contact your EMC Customer Service
Representative.
No action required.
Verify that system is on and has
completed booting.
No action required.
Perform the following steps:
Connect a serial cable to the system.
Reboot the system.
Check the failure indicated on the
system console.
Contact your EMC Customer Service
Representative.
Check the management interface and
the error log for details on the cause of
status.
Contact your EMC Customer Service
Representative.
No action required.
No action required.
Verify that the Ethernet cable is
connected correctly.
No action required.
No action required.