H3C S7502 Installation Manual
Also see for S7502: Installation manualOperation manualInstallation manualInstallation manualInstallation manual
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Installation ManualH3C S7502 Ethernet Switch Chapter 4 Hardware Installation4-11II. Connect COM Port CableWhen connected to the external PoE power supply, the switch can monitor the runningstate of the external PoE power supply through the COM port. Take the following stepsto connect the COM port cable:Step 1: Insert the DB-9 female plug of the COM port cable to the RS232 port of the PoEpower supply.Step 2: Connect the RJ-45 connector of the COM port cable to the COM port of theswitch.4.6.3 Connecting Category-5 CablesI. IntroductionThe 10Base-T/100Base-TX and 1000Base-T ports of an S7502 switch match RJ-45connectors, and are MDI/MDIX auto-sensing. You can use category-5 cables toconnect it. The following figure illustrates the appearance and pinouts of an RJ-45connector.PIN #8PIN #1Figure 4-13 An RJ-45 connectorTable 4-2 RJ-45 MDI port pinout10Base-T/100Base-TX 1000Base-TPinoutSignal Function Signal Function1 Tx+ Outbound BIDA+ Bi-directional datacable A+2 Tx- Outbound BIDA- Bi-directional datacable A-3 Rx+ Inbound BIDB+ Bi-directional datacable B+4 Reserved — BIDC+ Bi-directional datacable C+5 Reserved — BIDC- Bi-directional datacable C-6 Rx- Inbound BIDB- Bi-directional datacable B- |
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