Dell PowerEdge FX2 Dell PowerEdge FN I/O Aggregator Configuration Guide 9.6(0 - Page 274
Recognize an Over-Temperature Condition, SFP+ 9 Serial Extended ID fields
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SFP+ 9 BR Nominal = 0x67 SFP+ 9 Length(SFM) Km = 0x00 SFP+ 9 Length(OM3) 2m = 0x00 SFP+ 9 Length(OM2) 1m = 0x00 SFP+ 9 Length(OM1) 1m = 0x00 SFP+ 9 Length(Copper) 1m = 0x01 SFP+ 9 Vendor Rev = A SFP+ 9 Laser Wavelength = 256 nm SFP+ 9 CheckCodeBase = 0xf2 SFP+ 9 Serial Extended ID fields SFP+ 9 Options = 0x00 0x00 SFP+ 9 BR max = 0 SFP+ 9 BR min = 0 SFP+ 9 Vendor SN = APF11040012888 SFP+ 9 Datecode = 110207 SFP+ 9 CheckCodeExt = 0xb3 SFP+ 9 DOM is not supported Dell# Recognize an Over-Temperature 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. NOTE: When the ingress air temperature exceeds 61°C, the Status LED turns Amber and a major alarm is triggered. Example of the show alarms threshold Command Dell#show alarms threshold -- Temperature Limits (deg C) -- Ingress-Air Off Ingress-Air Major Off Major Shutdown Unit0 58 61 84 86 90 Dell# 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. 274 Debugging and Diagnostics