H3C S3100V2 Series Installation Manual

Also see for S3100V2 Series: Installation, quick start

Contents

6210Base-T/100Base-TX 1000Base-TPinSignal Function Signal Function3 Tx+ Send data BIDA+ Bi-directional data cable A+4 Reserved — BIDD+ Bi-directional data cable D+5 Reserved — BIDD- Bi-directional data cable D-6 Tx- Send data BIDA- Bi-directional data cable A-7 Reserved — BIDC+ Bi-directional data cable C+8 Reserved — BIDC- Bi-directional data cable C-To ensure normal communication, the pins for sending data on one port should correspond to the pins forreceiving data on the peer port. When both of the ports on the two devices are MDI or MDIX, a crossoverEthernet cable is needed. A cross-over cable connects devices of the same type. When one port is MDIand the other is MDIX, a straight-through Ethernet cable is needed. A straight-through cable connectsdevices of different types.If an RJ-45 Ethernet interface with MDI/MDIX autosensing enabled can automatically negotiate pin roles.The S3100V2 RJ-45 Ethernet interfaces support MDI/MDIX. By default, MDI/MDIX is enabled on a port.Making an Ethernet twisted pair cableFollow these steps to make an Ethernet twisted pair cable:1. Cut the cable to length with the crimping pliers.2. Strip off an appropriate length of the cable sheath. The length is typically that of the RJ-45connector.3. Untwist the pairs so that they can lay flat, and arrange the colored wires based on the wiringspecifications.4. Cut the top of the wires even with one another. Insert the wires into the RJ-45 end and make surethe wires extend to the front of the RJ-45 end and make good contact with the metal contacts in theRJ-45 end and in the correct order.5. Crimp the RJ-45 connector with the crimping pliers until you hear a click.6. Repeat the above steps with the other end of the cable.7. Use a cable tester to verify the proper connectivity of the cable.

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