77Appendix D CablesThis chapter describes the cables used in connecting ports on different LPUs of the H3C S10500 SwitchSeries.Table 45 Cable descriptionCable Port type ApplicationEthernet twisted pair cable RJ-45 Ethernetinterfaces Connects RJ-45 Ethernet interfaces to transmit dataOptical fiber XFP/SFP+/SFPinterfaces Connects the optical interfaces to transmit dataSFP+ cable SFP+ interfaces Connects SFP+ interfaces to transmit dataEthernet twisted pair cableAn Ethernet twisted pair cable consists of four pairs of insulated wires twisted together. It mainly transmitsanalog signals and is advantageous in transmitting data over shorter distances. The maximumtransmission distance is 100 m (328.08 ft).RJ-45 connectorAn Ethernet twisted pair cable connects network devices through the RJ-45 connectors at the two ends.Figure 39 shows the pinouts of an RJ-45 connector.Figure 39 RJ-45 connector pinout diagramCable pinoutsEIA/TIA cabling specifications define two standards: 568A and 568B for cable pinouts.• Standard 568A: pin 1: white/green stripe, pin 2: green solid, pin 3: white/orange stripe, pin 4:blue solid, pin 5: white/blue stripe, pin 6: orange solid, pin 7: white/brown stripe, pin 8: brownsolid.• Standard 568B: pin 1: white/orange stripe, pin 2: orange solid, pin 3: white/green stripe, pin 4:blue solid, pin 5: white/blue stripe, pin 6: green solid, pin 7: white/brown stripe, pin 8: brownsolid.
