Cisco 10720 Configuration Guide - Page 95
Using the show environment all Command, Monitoring Optical Power
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Chapter 3 Installing the Cisco 10720 Internet Router Additional Configuration Features 1 SRP network interface(s) 509K bytes of non-volatile configuration memory. 16384K bytes of Flash internal SIMM (Sector size 512KB). 49152K bytes of Flash internal SIMM (Sector size 512KB). Configuration register is 0x2102 Using the show environment all Command Use the show environment all command to display temperature readings, voltage readings, and fan status. router# show environment all Power Supplies: Power Supply is ok. Temperature readings: chassis inlet measured at 27C/80F chassis outlet0 measured at 33C/91F chassis outlet1 measured at 32C/89F Voltage readings: Main Board :Voltage Ok Access Card :Voltage Ok Uplink Card :Voltage Ok Fans: Fan 1 status is believed to be ok. Fan 2 status is believed to be ok. Fan 3 status is believed to be ok. Fan 4 status is believed to be ok. Power Supply Fan status is believed to be ok. Envm stats saved 1 time(s) since reload Router# Monitoring Optical Power Optical power monitoring is used to monitor the SRP uplink interface. Use the show controllers srp command. Router# show controllers srp Interface SRP1/1 Hardware is OC48 SRP SRP1/1 - Side A (Outer RX, Inner TX) OPTICS RX readout values: -12 dBm - Within specifications