
iii
Cleaning the air filter of a power module··················································································································· 72
Replacing a card···························································································································································· 72
Preparing for the replacement ····························································································································· 73
Replacement procedure ········································································································································ 73
Replacing a subcard······················································································································································ 74
Replacement procedure ········································································································································ 74
Replacing a fan tray ······················································································································································ 75
Replacing a fan tray for an SR8802/SR8805/SR8812 ·················································································· 75
Replacing a fan tray for an SR8808··················································································································· 76
Replacing a chassis air filter········································································································································· 77
Replacing chassis air filters for an SR8808 ······································································································· 77
Replacing the air filter for an SR8802/SR8805/SR8812 ··············································································· 78
Replacing a CF card······················································································································································ 78
Replacing a transceiver module ··································································································································· 80
Appendix A Technical specifications························································································································82
Environment requirements ············································································································································· 82
Chassis specifications···················································································································································· 82
Card specifications ························································································································································ 83
MPU specifications ················································································································································ 85
SPC card specifications ········································································································································ 86
SPE base card specifications ······························································································································· 87
MPE base card specifications ······························································································································ 87
Subcard specifications·········································································································································· 88
OAA module specifications ································································································································· 91
Transceiver module and cable specifications····································································································· 92
Fan tray specifications··················································································································································· 94
Power system specifications·········································································································································· 94
Appendix B LEDs························································································································································99
Power module LEDs························································································································································ 99
Fan LEDs·········································································································································································· 99
MPU LEDs······································································································································································100
CF card status LED···············································································································································100
Network management port LEDs ·······················································································································101
LPU status LEDs·····················································································································································101
MPU status LEDs ··················································································································································101
SPC card LEDs ······························································································································································102
LINK/ACT LED ·····················································································································································102
Combo interface LED ··········································································································································102
LINK and ACT LEDs·············································································································································103
SPE/MPE card LED ······················································································································································104
Subcard LEDs································································································································································104
Appendix C Lightning protection··························································································································· 105
Connecting the AC power supply to a power strip with lightning protection ·······················································105
Installing a lightning protector for a network port ····································································································106
Appendix D Engineering labels····························································································································· 108
Labels for cables···························································································································································108
Labels for signal cables ······································································································································108
Labels for power cords ·······································································································································108
Generic labels······················································································································································109
Labels for devices·························································································································································110
Filling in labels ·····························································································································································110
Affixing labels·······························································································································································110