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