IBM 4002-Y2A, Installation And User Manual

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Table 13. System status LEDs (continued)
LED Condition Status
Diag
(Diagnostic)
Flashing Green System self-diagnostic test in progress.
Green System self-diagnostic test successfully completed.
Amber System self-diagnostic test has detected a fault.
(Blower, thermal or any interface fault.)
Out-of-band
Management
Link or
Activity On/Flashing
Green The port has established a valid link at 10/100/1000
Mbps. Flashing indicates the port is transmitting and
receiving user packets.
Off A link is not established with a remote port.
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Power status LEDs
Table 14. Power status LEDs
LED Condition Status
DC OK Green DC output ok
Red DC output fail
AC OK Green AC input ok
Off AC input fail
Note: Both “AC OK” and “DC OK” LEDs must be green for the device to function
normally.
Table 15. Switch status for two installed power supply units
State LED PSU1 PSU2 Switch Status Redundancy
Four green PSU
LEDs AC OK Green Green Running Yes
DC OK Green Green
Single red `DC
OK' LED AC OK Green Green Running No
DC OK Green Red
Both `DC OK'
LEDs red AC OK Green Green Failure No
DC OK Red Red
One PSU with
both `AC OK'
`DC OK' LEDs
off AC OK Green Off Running No
DC OK Green Off
`DC OK' LEDs
red and off AC OK Green Off Failure No
DC OK Red Off
nety019
1
Figure 15. Power status LEDs
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Ethernet y-series Installation and User Guide: Installation and User Guide