Both Huawei SCUB and Huawei SCUN have four GE optical ports, which can function as upstream ports. How to set the GE optical port of the control board (SCUB/SCUN) as upstream ports when upstream transmission is not implemented by the GIU board?
Switching to the upstream port of the SCUB is controlled by the electronic switch. At a time, only the upstream port of the GIU board or the port of the control board can be used for upstream transmission.
Note: In the case of the SCUB, make sure that the current configuration of the system is already saved before running the electro-switch command. After this command is run, the system will be reset.
A To set the port of the control board as the upstream port, run the electro-switch 0
B To set the port of the GIU board as the upstream port, run the electro-switch 0
C The SCUN can work with the Huawei EPON GIU upstream board. In this case, the SCUN equals an
upstream board in another GIU slot.
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