Two cascading modes are available in master-slave subrack mode. In the first mode, subracks are cascaded in tree-like structure, and in the other mode subracks are cascaded in ring-like structure. By default, subracks are cascaded in tree-like structure. When subracks are cascaded in tree-like structure, the master and slave subracks are not under protection so that the subracks can be managed in the same way.
In the master-slave subrack mode, only the master subrack is connected to the NMS. The resident NE of the master subrack, which is connected to the NMS, functions as a gateway NE.
• In the OptiX OSN 8800, the subrack ID is determined by DIP switch settings on the EFI board, not by how the subrack is cascaded with other subracks. When subracks are cascaded in tree-like structure, the master and slave subracks are connected through ETH1, ETH2, or ETH3 ports on the EFI board. One master subrack can be connected to a maximum of three slave subracks and one slave subrack can be connected to other two slave subracks. ETH1, ETH2, and ETH3 can be freely used as uplink or downlink ports.
• In the OptiX OSN 8800, the subrack ID is determined by DIP switch settings on the EFI1 board, not by how the subrack is cascaded with other subracks. When subracks are cascaded in tree-like structure, the master and slave subracks are connected through ETH1, ETH2, or ETH3 ports on the EFI2 board. One master subrack can be connected to a maximum of three slave subracks and one slave subrack can be connected to other two slave subracks. ETH1, ETH2, and ETH3 can be freely used as uplink or downlink ports.
• In the OptiX OSN 8800 universal platform subrack, the subrack ID is determined by DIP switch settings on the EFI board, not by how the subrack is cascaded with other subracks. When subracks are cascaded in tree-like structure, the master and slave subracks are connected through ETH1, ETH2, or ETH3 ports on the EFI board. One master subrack can be connected to a maximum of three slave subracks and two slave subracks can be connected to another slave subrack. ETH1, ETH2, and ETH3 can be freely used as uplink or downlink ports.
If ASON features are adopted, the master-slave subrack mode is recommended. This post was last edited by yjhd at 2018-10-26 07:29.
regarding the master subrack and slave subrack
Created: Oct 26, 2018 07:07:52Latest reply: Oct 27, 2018 08:06:54
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