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Cisco 2900 the power and cooling systems is off

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Information about Cisco 2900 the power and cooling systems is off
Technology

Published on March 11, 2014

Author: routersbuy

Source: slideshare.net

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Leading Cisco networking products distributor-3network.com
Cisco 2900 the power and cooling systems is off
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Cisco 2900 the Power and Cooling Systems is off ? We all know the normal indications for Cisco routers: With the power switch on, the normal indications are: • SYS LED on, green, and continuous • Fan operating But when there are troubleshoot, do you know how to fix them, here we will show you the fault indications: This is a condensed listing of LED states. For the complete listing see “LED Indicators” (Cisco 3900, Cisco 2900, Cisco 1900). Check the following symptoms to locate or eliminate faults in the power and cooling systems: • With the power switch on, is the SYS LED on green? – If the LED is green and continuous, the router has booted and the software is functional. – If the LED is blinking green the system is booting or in ROM monitor mode. – If the LED is off the system board is faulty. – If the LED is amber, check for a system error. • With the power switch on and the SYS LED on and green, does the fan operate? – If no, check the fan. – If yes, the power system is functioning. • With the power switch on and the SYS LED off, does the fan operate? – If yes, the router is receiving power. The fan is connected directly to the DC outputs of the power supply. – If no, check the power source and power cable. • Does the router shut down after being on a short time? – Check for an environmentally induced shutdown. – Check the environmental site requirements in “General Site Requirements” (Cisco 3900/2900, Cisco 1900). • Router partially boots – Check for a power supply failure by inspecting the SYS LED on the front panel of the router. If the SYS LED is blinking or continuously green, the power supply is functional. – If the SYS LED is not on, refer to “Obtaining Documentation and Submitting a Service Request” for warranty information, or contact customer service. Environmental Reporting Features 1

If the router is operating at an abnormally high temperature, consider the following causes: • Fan failure • Air conditioner failure in the room • Air blockage to cooling vents. See the “Airflow Diagrams and Chassis Ventilation” (Cisco 3900/2900, Cisco 1900). It is referred from: www.cisco.com More related: Cisco router rules of nomenclature Enterprise router recommendation: Cisco 2911 router How To Recover Cisco Router Password The Difference of The Cisco Catalyst 2900 and Cisco Catalyst 1900 More Cisco products and Reviews you can visit: http://www.3anetwork.com/blog 3Anetwork.com is a world leading Cisco networking products wholesaler, we wholesale original new Cisco networking equipments, including Cisco Catalyst switches, Cisco routers, Cisco firewalls, Cisco wireless products, Cisco modules and interface cards products at competitive price and ship to worldwide. Our website: http://www.3anetwork.com Telephone: +852-3069-7733 Email: info@3Anetwork.com Address: 23/F Lucky Plaza, 315-321 Lockhart Road, Wanchai, Hongkong 2

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