ii
Maintenance and troubleshooting ······················································ 44
Built-in power module failure ······································································································ 44
Symptom ························································································································· 44
Solution ··························································································································· 44
Removable power module failure ································································································ 44
Symptom ························································································································· 44
Solution ··························································································································· 44
Fan tray failure ························································································································ 45
Configuration terminal issues ······································································································ 45
No display ························································································································ 45
Garbled display ················································································································· 45
Appendix A Chassis views and technical specifications ·························· 46
Chassis views ························································································································· 46
S6520X-16ST-SI ··············································································································· 46
S6520X-24ST-SI ··············································································································· 47
S6520X-10XT-SI ··············································································································· 48
S6520X-16XT-SI ··············································································································· 48
S6520X-18C-SI ················································································································· 49
S6520X-26C-SI ················································································································· 50
S6520X-26MC-SI ·············································································································· 51
S6520X-26MC-UPWR-SI ···································································································· 52
S6520X-26XC-UPWR-SI ···································································································· 53
S6520X-54XC-UPWR-SI ···································································································· 54
Technical specifications ············································································································· 55
Appendix B FRUs and compatibility matrixes ······································· 60
Removable power modules ········································································································ 62
Removable fan trays ················································································································· 62
Expansion cards ······················································································································ 63
Connecting cables to the copper ports on the interface cards ······················································ 65
Appendix C Ports and LEDs ····························································· 66
Ports ····································································································································· 66
Console port ····················································································································· 66
Management Ethernet port ·································································································· 66
USB port ························································································································· 66
SFP port ·························································································································· 67
SFP+ port ························································································································ 67
SFP28 port ······················································································································ 70
QSFP+ port ······················································································································ 71
10/100/1000BASE-T autosensing Ethernet port ······································································· 73
1/10BASE-T autosensing Ethernet port ·················································································· 74
5G/2.5G/1000/100BASE-T autosensing Ethernet port ······························································· 74
5G/2.5G/1000BASE-T autosensing Ethernet port ····································································· 74
10G/5G/2.5G/1000BASE-T autosensing Ethernet port ······························································ 75
10G/5G/2.5G/1000/100BASE-T autosensing Ethernet port ························································· 75
Combo interface ················································································································ 76
LEDs ····································································································································· 76
System status LED ············································································································ 76
Power module status LED ··································································································· 76
Mode LED ······················································································································· 77
Management Ethernet port LED ··························································································· 77
1/10GBASE-T autosensing Ethernet port LED ········································································· 77
5G/2.5G/1000/100BASE-T autosensing Ethernet port LED ························································ 78
10G/5G/2.5G/1000BASE-T autosensing Ethernet port LED ························································ 78
10G/5G/2.5G/1000/100BASE-T autosensing Ethernet port LED ·················································· 79
SFP+ port LED ················································································································· 79
Expansion card status LED ································································································· 80
Port status LED on an expansion card ··················································································· 80
Fan tray Alarm LED ··········································································································· 80