HP A8800 Installation Manual page 4

Displaying the operating state of a fan ······················································································································· 37
Displaying alarm information for a card ····················································································································· 37
Verifying and diagnosing transceiver modules ·········································································································· 38
Introduction to transceiver modules ····················································································································· 38
Verifying transceiver modules ······························································································································ 38
Diagnosing transceiver modules ·························································································································· 40
Troubleshooting ·························································································································································· 43
Configuration terminal problems ·································································································································· 43
No terminal display ·············································································································································· 43
Garbled terminal display ······································································································································ 43
Power supply system failure ·········································································································································· 43
Fan failure ······································································································································································· 44
MPU failure ····································································································································································· 45
LPU failure ······································································································································································· 46
Interface failure ······························································································································································· 46
Technical support ··························································································································································· 47
Replacement procedures ··········································································································································· 48
Replacing a power supply system ································································································································ 48
Replacing a DC power supply ····························································································································· 48
Replacing an AC power supply ··························································································································· 49
Cleaning a power supply air filter ······························································································································· 51
Replacing a card ···························································································································································· 51
Replacing a subcard ······················································································································································ 53
Replacing a fan tray ······················································································································································ 54
Replacing a fan tray for an A8805/A8812 ······································································································ 54
Replacing a fan tray for an A8808 ···················································································································· 55
Replacing a chassis air filter ········································································································································· 56
Replacing chassis air filters for an A8808 ········································································································· 56
Replacing an air filter for an A8805/A8812 ··································································································· 57
Replacing a CF card ······················································································································································ 57
Replacing a transceiver module ··································································································································· 59
Hardware specifications ············································································································································ 61
Environmental requirements ·········································································································································· 61
Technical specifications ················································································································································· 61
Chassis ··································································································································································· 61
Cooling system ······················································································································································ 68
Card specifications ··············································································································································· 71
Power supply system ············································································································································· 77
LEDs ············································································································································································· 84
Power supply LEDs ························································································································································· 84
Fan LEDs ·········································································································································································· 84
MPU LEDs ········································································································································································ 85
CF card status LED ················································································································································· 85
Network management port LEDs ························································································································· 85
LPU status LEDs ······················································································································································· 86
MPU status LEDs ···················································································································································· 86
SPC card LEDs ································································································································································ 86
LINK/ACT LED ······················································································································································· 87
Combo interface LED ············································································································································ 87
LINK and ACT LEDs ··············································································································································· 87
SPE card LED ·································································································································································· 88
Subcard LEDs ·································································································································································· 88
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