Hardware Maintenance Manual
Page 26
... for your router and will help you plan an acceptable equipment rack configuration: • Enclosed racks must have louvered sides and a fan to provide cooling air. • When mounting a chassis in the earlier section "Preventing Electrostatic Discharge Damage" to avoid damage to equipment... to avoid damage from static discharge can be adequate to cool equipment to 60 Hz) • 6-foot electrical power cord 2-4 Cisco 4000 Series Hardware Installation and Maintenance An enclosed rack should have adequate ventilation. Damage from lightning and power surges. Ensure that the rack...
... for your router and will help you plan an acceptable equipment rack configuration: • Enclosed racks must have louvered sides and a fan to provide cooling air. • When mounting a chassis in the earlier section "Preventing Electrostatic Discharge Damage" to avoid damage to equipment... to avoid damage from static discharge can be adequate to cool equipment to 60 Hz) • 6-foot electrical power cord 2-4 Cisco 4000 Series Hardware Installation and Maintenance An enclosed rack should have adequate ventilation. Damage from lightning and power surges. Ensure that the rack...
Hardware Maintenance Manual
Page 82
...the external cables for the following symptoms to help isolate the problem: • With the power switch on, does the blower operate? - If no , suspect the AC input, AC source, router... will not boot properly or constantly/intermittently reboots. - Suspect the processor or software. 4-2 Cisco 4000 Series Hardware Installation and Maintenance For complete information on LED indicators, refer to the section ...isolate the problem: • Network processor module is recognized, but LEDs do the fans operate? - Check the network processor module connection to the network. Check the network...
...the external cables for the following symptoms to help isolate the problem: • With the power switch on, does the blower operate? - If no , suspect the AC input, AC source, router... will not boot properly or constantly/intermittently reboots. - Suspect the processor or software. 4-2 Cisco 4000 Series Hardware Installation and Maintenance For complete information on LED indicators, refer to the section ...isolate the problem: • Network processor module is recognized, but LEDs do the fans operate? - Check the network processor module connection to the network. Check the network...
Hardware Maintenance Manual
Page 83
...power lights on and boots with a particular network processor module or cable disconnected. - Check the external console connection. - Figure 4-1 Cisco 4000 Series-Front Panel Indicators Network activity LEDs Run LED 1 DATA OK 2 DATA OK Health LEDs 3 DATA OK SERIES OK ... front panel. Environmental Reporting Features If the router is frozen. - Typical causes of abnormally high system temperature follow: • Fan failure • Air conditioner failure in the documentation for determining system performance and operation at an abnormally high temperature, the following ...
...power lights on and boots with a particular network processor module or cable disconnected. - Check the external console connection. - Figure 4-1 Cisco 4000 Series-Front Panel Indicators Network activity LEDs Run LED 1 DATA OK 2 DATA OK Health LEDs 3 DATA OK SERIES OK ... front panel. Environmental Reporting Features If the router is frozen. - Typical causes of abnormally high system temperature follow: • Fan failure • Air conditioner failure in the documentation for determining system performance and operation at an abnormally high temperature, the following ...