ii
Installation procedure ··········································································································································· 37
Installing a subcard ························································································································································ 37
Installation preparation ········································································································································· 38
Installation procedure ··········································································································································· 38
Connecting power cords ··············································································································································· 39
Prerequisites ··························································································································································· 39
Connecting an AC power cord ··························································································································· 39
Connecting a DC power cord ······························································································································ 42
Verifying the installation ················································································································································ 43
Connecting the router to the network ······················································································································· 44
Logging in to the router ················································································································································· 44
Connecting the console cable ······························································································································ 44
Setting up a configuration environment ·············································································································· 45
Powering on the router ·················································································································································· 48
Verification before power-on ······························································································································· 48
Powering on the router ········································································································································· 48
Verification after power-on ··································································································································· 49
Connecting the router to the network ··························································································································· 50
Connecting the router to the network through an AUX cable ··········································································· 50
Connecting the router to the network through an Ethernet twisted pair cable ··············································· 50
Connecting the router to the network through an optical fiber ········································································ 51
Cable routing recommendations ·································································································································· 54
Hardware management ············································································································································· 55
Displaying the electrical label data for your router ···································································································· 55
Displaying the card information ··································································································································· 55
Rebooting your router ···················································································································································· 56
Displaying the power supply system ···························································································································· 57
Configuring temperature alarm thresholds for a card································································································ 58
Configuring temperature alarm thresholds for a card ······················································································· 58
Displaying the temperature information ·············································································································· 58
Configuring in-service hardware failure diagnosis ···································································································· 59
Displaying the operating state of fans ························································································································· 59
Displaying the alarming information of a card ··········································································································· 59
Verifying and diagnosing transceiver modules ·········································································································· 60
Introduction to transceiver modules ····················································································································· 60
Verifying transceiver modules ······························································································································ 60
Diagnosing transceiver modules ·························································································································· 62
Troubleshooting ·························································································································································· 65
Configuration terminal problems ·································································································································· 65
No terminal display ·············································································································································· 65
Garbled terminal display ······································································································································ 65
Power supply system failure ·········································································································································· 66
Fan failure ······································································································································································· 67
MPU failure ····································································································································································· 67
LPU failure ······································································································································································· 68
Interface failure ······························································································································································· 68
Technical support ··························································································································································· 69
Replacement procedures ··········································································································································· 70
Replacing a power supply system ································································································································ 70
Preparing for the replacement ····························································································································· 70
Replacing a DC power module ··························································································································· 70
Replacing an AC power module ························································································································· 71
