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Contents
Product overview ·························································································································································· 1
Physical architecture ························································································································································· 1
12504 chassis view ················································································································································· 2
12508 chassis views ··············································································································································· 4
12518 chassis views ··············································································································································· 6
Backplane ·········································································································································································· 8
Fan tray ·············································································································································································· 8
Power supply system ························································································································································· 9
AC power supply ·················································································································································· 10
DC power supply··················································································································································· 13
Preparing for installation ··········································································································································· 15
Safety recommendations ··············································································································································· 15
General safety recommendations ························································································································ 15
Electricity safety ····················································································································································· 15
ESD prevention ······················································································································································ 15
Switch moving ······················································································································································· 16
Laser safety ····························································································································································· 16
Examining the installation site ······································································································································ 17
Weight support ······················································································································································ 17
Temperature ··························································································································································· 17
Humidity ································································································································································· 17
Cleanness ······························································································································································· 18
EMI ·········································································································································································· 18
Grounding ······························································································································································ 18
Power supply ·························································································································································· 19
Cooling ··································································································································································· 19
Space ······································································································································································ 21
Rack-mounting ································································································································································ 22
Installation tools ······························································································································································ 23
Installing the switch ···················································································································································· 25
Confirming installation preparations ···························································································································· 26
Installing an impedance carrier (optional) ·················································································································· 26
Installing a chassis air filter (optional) ························································································································· 27
Installing an expansion cable management bracket (optional) ················································································ 28
Installation preparation ········································································································································· 28
Installation procedure ··········································································································································· 29
Installing the switch in a rack ········································································································································ 31
Installation preparation ········································································································································· 31
Installing slide rails and cage nuts to the rack ··································································································· 31
Installing the mounting brackets ··························································································································· 33
Mounting the switch in the rack ··························································································································· 34
Verifying the installation ······································································································································· 35
Installing the switch on a workbench ··························································································································· 35
Installation preparation ········································································································································· 35
Installation procedures ·········································································································································· 36
Grounding the switch ···················································································································································· 37
Installing a power supply ·············································································································································· 38
Installation preparation ········································································································································· 38
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