Administrator Guide

Use the show alarms command to display power-supply alarm messages.
Dell#show alarms
...
-- Major Alarms --
Alarm Type Duration
---------------------------------------------------------------------------
PEM 0 in unit 0 down 25 sec
PEM 2 in unit 0 down 6 sec
Use the show environment pem command to display complete information on power supply operation.
Dell#show environment pem
-- Power Supplies --
Unit Bay Status Type FanStatus FanSpeed(rpm) Power Usage (W)
-----------------------------------------------------------------------------
0 0 down AC up 1376 0.0
0 1 up AC up 18848 666.0
0 2 down AC up 1312 0.0
0 3 up AC up 18880 643.0
Total power: 1309.0 W
Display Fan Status
To monitor the status of fan operation, use the show environment fan command.
The command output displays the operational status of each fan, including tray status, and speed of each fan.
Dell#show environment fan
-- Fan Status --
Unit Bay TrayStatus Fan0 Speed Fan1 Speed
------------------------------------------------------------------------------------
0 0 up up 5263 up 5292
0 1 up up 5274 up 5317
0 2 up up 5256 up 5292
Speed in RPM
Display Transceiver Type
To monitor the types of transceivers installed in switch ports, use the show inventory media command.
Use the command output to verify the type of QSFP transceiver installed in a port when Syslog messages are displayed following the
removal or insertion of a QSFP transceiver:
Apr 2 22:28:43: %C9000LC48:1 %IFAGT-5-INSERT_OPTICS_QSFP: Optics QSFP
When you configure a 40GbE QSFP+ port to operate in quad (4x10GbE) mode as four 10GbE SFP+ ports, a Syslog message is displayed
for each 10GbE port.
Apr 2 22:28:38: %C9000LC48:1 %IFAGT-5-REMOVED_OPTICS_QSFP: Optics
QSFP removed in slot 1 port 140
Apr 2 22:28:38: %C9000LC48:1 %IFAGT-5-REMOVED_OPTICS_QSFP: Optics QSFP removed
in slot 1 port 141
Apr 2 22:28:38: %C9000LC48:1 %IFAGT-5-REMOVED_OPTICS_QSFP: Optics QSFP removed
in slot 1 port 142
Apr 2 22:28:38: %C9000LC48:1 %IFAGT-5-REMOVED_OPTICS_QSFP: Optics QSFP removed
in slot 1 port 143
To verify the transceiver plugged into a switch port, use the show inventory media command.
Dell#show inventory media
Slot Port Type Media Serial Number F10Qualified
-------------------------------------------------------------------------------------------
2 0 QSFP 40GBASE-CR4-1M APF12380010GM4 Yes
Debugging and Diagnostics
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