Juniper E Series Hardware Manual page 10

E-series Hardware Guide
Chapter 9
Chapter 10
Part 2
Chapter 11
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Table of Contents
Maintaining E-series Routers
Required Tools and Items .............................................................................. 83
Storing Modules and Components .................................................................84
Cleaning the System ...................................................................................... 84
Upgrading NVS Cards on SRP Modules........................................................... 84
Upgrading a System That Contains One SRP Module............................... 85
Upgrading a System That Contains Two SRP Modules ............................. 85
Replacing an NVS Card ............................................................................ 86
Upgrading Memory on SRP Modules .............................................................. 87
Checking the Memory Installed ............................................................... 88
Removing SODIMMs ............................................................................... 88
Adding New SODIMMs ............................................................................ 88
Verifying the Upgrade.............................................................................. 90
Replacing SFPs on GE I/O Modules.................................................................90
Removing SFPs........................................................................................ 90
Installing SFPs ......................................................................................... 91
Verifying the Installation.......................................................................... 93
Replacing Fan Trays....................................................................................... 93
Removing the Fan Tray..................................................................... 95
Installing the Fan Tray ...................................................................... 95
Installing a Cable-Management Bracket on ERX-7xx Models .......................... 96
Troubleshooting
Diagnosing Problems ..................................................................................... 99
Initialization Sequence............................................................................. 99
Troubleshooting Power Failures ...................................................................100
Understanding Status LEDs to Troubleshoot.................................................100
LED Activity During Booting ..................................................................100
LED Identification..................................................................................100
LED Activity During Booting ..................................................................105
Abnormal LED Activity ..........................................................................105
Redundancy Status ................................................................................106
Monitoring Temperatures of Modules ..........................................................107
Resetting Line Modules and SRP Modules ....................................................107
Double-Bit Errors on SRP Modules ...............................................................108
Detecting Double-Bit Errors ...................................................................108
Fixing Double-Bit Errors ........................................................................108
System and Module Specifications
System Specifications
ERX-14xx Models Specifications ..................................................................111
ERX-7xx Models Specifications ....................................................................113
ERX-310 Router Specifications.....................................................................115
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