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Cisco 7500 Series Installation and Configuration Guide

OL-5008-03 B0

Chapter 2 Preparing for Installation

Environmental Monitoring and Reporting Overview for the Cisco 7500 Series

Router# show env table

Sample Point LowCritical LowWarning HighWarning HighCritical

RSP(6) Inlet 44C/111F 50C/122F

RSP(6) Hotpoint 54C/129F 60C/140F

RSP(6) Exhaust

+12 Voltage 10.90 11.61 12.82 13.38

+5 Voltage 4.61 4.94 5.46 5.70

-12 Voltage -10.15 -10.76 -13.25 -13.86

+24 Voltage 20.38 21.51 26.42 27.65

2.5 Reference 2.43 2.51

Shutdown boards at 70C/158F

Shutdown power supplies at 76C/168F

Restart after shutdown below 40C/104F

Note Temperature ranges and values are subject to change.

In the Cisco 7576, the show environment all command displays an extended report that includes the

arbiter type, backplane type, power supply type (AC or DC), wattage and status, the number and type of

intermittent power failures (if any) since the system was last powered on, and the currently measured

values at the RSP temperature sensors and the DC-input lines. The show environment all command also

reports which slots in the Cisco 7576 are occupied (indicated by an X) and which are empty.

Active fault conditions are indicated when the blower or power supply has failed or is not present. The

system expects to see three blowers or fans in the Cisco 7576: the main system blower, and one fan in

each power supply. The system blower is designated #1, the power supply fan in power bay A is #2, and

the power supply fan in power bay B is #3.

An example of an active fault condition includes the absence of a power supply. In the above example a

power supply is installed in both power bays; therefore no active fault condition exists. There are three

active trip points: restart OK, temperature warning, and board shutdown. (There are no active trip points

shown in the following example.) The soft shutdown entry refers to the number of times the system will

reset itself before it executes a complete system (or hard) shutdown.

The current temperature measurements at the three RSP sensors are displayed as inlet, hotpoint, and

exhaust. The shutdown temperature source is the hotpoint sensor, which is located toward the center of

the RSP. System voltage measurements are also displayed, followed by the system current measurements

and power supply wattage calculation.

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Cisco Catalyst 7500 Series Especificaciones Pagina 114