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Troubleshooting Guide
CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches
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How Can I Use a 1-to-4 Cable on a 40GE Interface?

How Can I Use a 1-to-4 Cable on a 40GE Interface?

You can use a 1-to-4 cable on a 40GE interface in the following scenarios:
  • If the remote interfaces are 10GE interfaces and the local 40GE interface is split, you can use a 1-to-4 cable to connect to the remote 10GE interfaces, as shown in Figure 22-105.

  • If the remote interfaces are 40GE interfaces, you can use 1-to-4 cables to connect to the ODFs no matter whether the interfaces are split (requirements for interface split configurations at both ends of a link are the same), as shown in Figure 22-106. It is recommended that interfaces at both ends of a link are not split, so that service traffic can be forwarded at the 40 Gbit/s line rate.

    For the usage of the ODF and corresponding usage precautions, see What Precautions Should Be Taken When 1-to-4 Optical Jumpers Are Routed Through Optical Distribution Frames?.

Figure 22-105 Connecting a split 40GE interface to the remote 10GE interfaces

Figure 22-106 Connecting a 1-to-4 cable to the ODF
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Updated: 2020-01-07

Document ID: EDOC1000060766

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