Table of Contents
1Product Overview ······································································································································1-1Introduction ·············································································································································1-1 3Com Baseline Switch 2920-SFPPlus···································································································1-3 Front Panel ······································································································································1-3 Rear Panel·······································································································································1-3 Power Supply System ·····················································································································1-3 Cooling System ·······························································································································1-3 3Com Baseline Switch 2928-SFPPlus···································································································1-4 Front Panel ······································································································································1-4 Rear Panel·······································································································································1-4 Power Supply System ·····················································································································1-4 Cooling System ·······························································································································1-4 3Com Baseline Switch 2952-SFPPlus···································································································1-5 Front Panel ······································································································································1-5 Rear Panel·······································································································································1-5 Power Supply System ·····················································································································1-5 Cooling System ·······························································································································1-5 3Com Baseline Switch 2928-PWR Plus ·································································································1-6 Front Panel ······································································································································1-6 Rear Panel·······································································································································1-6 Power Supply System ·····················································································································1-6 Cooling System ·······························································································································1-6 3Com Baseline Switch 2928-HPWRPlus·······························································································1-7 Front Panel ······································································································································1-7 Rear Panel·······································································································································1-7 Power Supply System ·····················································································································1-7 Cooling System ·······························································································································1-8Ports························································································································································1-8 Console Port····································································································································1-810/100/1000Base-T Ethernet Port···································································································1-81000Base-X SFP Interface··············································································································1-9LEDs······················································································································································1-10 Power LED ····································································································································1-10 RPS Status LED····························································································································1-10 Port Mode LED······························································································································1-1110/100/1000Base-TAuto-Sensing Ethernet Port Status LED·······················································1-111000Base-X SFP Interface Status LED ························································································1-13
2Installation Preparations···························································································································2-1Safety Precautions··································································································································2-1 Installation Site········································································································································2-1Temperature/Humidity·····················································································································2-1Cleanness········································································································································2-1 Electromagnetic Susceptibility·········································································································2-2
