Planning the cabling scheme ······························································································································· 34
Configuring basic IRF settings ······································································································································· 36
Connecting the physical IRF ports ································································································································ 36
Maintenance and troubleshooting ···························································································································· 38
Power supply failure ······················································································································································ 38
Fan failure ······································································································································································· 38
Configuration terminal problems ·································································································································· 38
No terminal display ·············································································································································· 39
Garbled terminal display ······································································································································ 39
Hot swappable power supplies ···································································································································· 42
Hot swappable fan trays ··············································································································································· 42
Appendix C Ports and LEDs ······································································································································ 45
Ports ················································································································································································· 45
Console port ·························································································································································· 45
Management Ethernet port ··································································································································· 45
USB port ································································································································································· 45
SFP+ port ································································································································································ 46
QSFP+ port ···························································································································································· 47
LEDs ················································································································································································· 50
System status LED··················································································································································· 50
SFP+ port LED ························································································································································ 50
QSFP+ port LED ····················································································································································· 50
Management Ethernet port LEDs ·························································································································· 51
Appendix D Cooling system ······································································································································ 53
HP 5920AF-24XG cooling system ······························································································································· 53
HP 5900AF-48XG-4QSFP+/5900AF-48XG-4QSFP+ TAA/HP
Support and other resources ····································································································································· 56
Contacting HP ································································································································································ 56
Subscription service ·············································································································································· 56
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