Administrator Guide

SFP+ 1638400 Length(OM2) 1m = 0x00
SFP+ 1638400 Length(OM1) 1m = 0x00
SFP+ 1638400 Length(Copper) 1m = 0x03
SFP+ 1638400 Vendor Rev = B
SFP+ 1638400 Laser Wavelength = 256 nm
SFP+ 1638400 CheckCodeBase = 0xe2
SFP+ 1638400 Serial Extended ID fields
SFP+ 1638400 Options = 0x00 0x00
SFP+ 1638400 BR max = 0
SFP+ 1638400 BR min = 0
SFP+ 1638400 Vendor SN = CN053HVN3711D9N
SFP+ 1638400 Datecode = 130703
SFP+ 1638400 CheckCodeExt = 0x3a
SFP+ 1638400 DOM is not supported
DellEMC#
Recognize an Overtemperature Condition
An overtemperature condition occurs, for one of two reasons: the card genuinely is too hot or a sensor has malfunctioned.
Inspect cards adjacent to the one reporting the condition to discover the cause.
• If directly adjacent cards are not normal temperature, suspect a genuine overheating condition.
• If directly adjacent cards are normal temperature, suspect a faulty sensor.
When the system detects a genuine over-temperature condition, it powers off the card. To recognize this condition, look for the following
system messages:
CHMGR-2-MAJOR_TEMP: Major alarm: chassis temperature high (temperature reaches or exceeds
threshold of
[value]C)
CHMGR-2-TEMP_SHUTDOWN_WARN: WARNING! temperature is [value]C; approaching shutdown threshold
of [value]C
To view the programmed alarm thresholds levels, including the shutdown value, use the show alarms threshold command.
Example of the show alarms threshold Command
DellEMC#show alarms threshold
-- Temperature Limits (deg C) --
----------------------------------------------------------------
Minor Off Minor Major Off Major Shutdown
Unit2 55 60 75 80 85
----------------------------------------------------------------
Minor Off Minor Major Off Major Shutdown
Unit3 55 60 75 80 85
Troubleshoot an Over-temperature Condition
To troubleshoot an over-temperature condition, use the following information.
1. Use the show environment commands to monitor the temperature levels.
2. Check air flow through the system. Ensure that the air ducts are clean and that all fans are working correctly.
3. After the software has determined that the temperature levels are within normal limits, you can re-power the card safely. To bring
back the line card online, use the power-on command in EXEC mode.
In addition, to control airflow for adequate system cooling, Dell EMC Networking requires that you install blanks in all slots without a line
card.
NOTE:
Exercise care when removing a card; if it has exceeded the major or shutdown thresholds, the card could be hot
to the touch.
984 Debugging and Diagnostics