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Product overview·························································································································································· 1

5120-24G EI (2 slots)/5120-24G EI TAA (2 slots) panel views·················································································2

5120-48G EI (2 slots)/5120-48G EI TAA (2 slots) panel views·················································································3

5120-24G EI panel views················································································································································4

5120-48G EI panel views················································································································································5

5120-24G-PoE+ EI (2 slots)/5120-24G-PoE+ EI TAA (2 slots) panel views······························································6

5120-48G-PoE+ EI (2 slots)/5120-48G-PoE+ EI TAA (2 slots) panel views······························································7

5120-8G SI panel views ··················································································································································8

5120-16G SI panel views ···············································································································································8

5120-24G SI panel views ···············································································································································9

5120-48G SI panel views ···············································································································································9

5120-8G-PPoE+ SI panel views ··································································································································· 10

5120-8G-PoE+ SI panel views ····································································································································· 10

5120-24G-PPoE+ SI panel views································································································································· 11

5120-24G-PoE+ SI panel views··································································································································· 12

Preparing for installation ···········································································································································13

Safety recommendations ··············································································································································· 13

Examining the installation site ······································································································································ 13

Temperature/humidity ·········································································································································· 13

Cleanness······························································································································································· 14

EMI·········································································································································································· 14

Laser safety····························································································································································· 14

Installation tools······························································································································································ 15

Installing the switch····················································································································································16

Installing a 5120 EI switch in a 19-inch rack ············································································································· 17

Mounting brackets················································································································································· 17

Rack-mounting by using only front mounting brackets ······················································································ 18

Rack-mounting by using front mounting brackets and a rack shelf·································································· 20

Rack-mounting by using front and rear mounting brackets··············································································· 21

Installing a 5120 SI switch in a 19-inch rack ············································································································· 24

Mounting brackets and mounting positions········································································································ 25

Attaching the mounting brackets to the switch chassis······················································································ 25

Rack-mounting the switch······································································································································ 28

Mounting the switch on a workbench·························································································································· 30

Mounting the switch to a wall······································································································································· 30

Introduction to wall anchor kit ····························································································································· 31

Installation procedure············································································································································ 31

Mounting the switch through magnet mounting·········································································································· 32

Introduction to magnetic mounting kit ················································································································· 32

Grounding the switch ···················································································································································· 34

Grounding the switch with a grounding strip····································································································· 34

Grounding the switch with a grounding conductor buried in the earth ground············································· 36

Grounding the switch by using the AC power cord·························································································· 37

Connecting the power cord ·········································································································································· 38

Connecting the AC power cord··························································································································· 38

Connecting the switch to a +12 VDC output RPS······························································································ 39

Connecting the switch to a –52 to –55 VDC output RPS·················································································· 40