Installation ManualH3C S7500 Series Ethernet Switches Chapter 4 Hardware Installation4-11II. Connection procedure1) Connect the RJ-45 connector of the AUX cable to the console port on the switch.2) Connect the DB-9 connector of the AUX cable to the serial port on the analogModem.4.7.3 Connecting the COM Port CableI. IntroductionThe COM port cable is an 8-core shielded cable. It has an RJ-45 connector at one endfor the COM port on the switch, and a DB-9 female connector for a 9-pin serial port onthe configuration terminal. The COM port cable is the same as the console cable. Fordetails, see Figure 4-11 and Table 4-1.II. Connection procedureWhen the S7500 switch connects with the external PoE power supply, the switch canmonitor the running status of the external PoE power supply through the COM port.Take the following steps to connect the COM port cable:1) Connect the DB-9 female connector of the COM port cable to the RS232 serialport on the external PoE power supply.2) Connect the RJ-45 connector of the COM port cable to the COM port on theswitch.4.7.4 Connecting Category-5 CablesI. Introduction to RJ-45 connector10Base-T/100Base-TX and 1000Base-T ports of the S7500 series match RJ-45connectors, support MDI/MDIX auto-sensing, and adopt category-5 cables. Thefollowing figure illustrates the appearance and pinouts of RJ-45 connector.PIN #8PIN #1Figure 4-12 RJ-45 connector
