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Management Interfaces and Connections of OptiX OSN 8800 6800A.doc

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									    Management Interfaces and Connections of OptiX OSN 8800/6800A

Interfaces
For OptiX OSN 8800/OptiX OSN 6800A, the NM_ETH1/NM_ETH2 interfaces on the
TN51ETH1/TN51ETH2/TN16EFI boards are used for achieving inter-NE communication.
The ETH1, ETH2, and ETH3 interfaces on the TN51ETH2/TN16EFI boards are used to
achieve intra-NE communication. Table 1 provides the correct connections of these
network interfaces.

Table 1 Network cable interfaces




1
2
Connections
On a network where only OptiX OSN 8800 or OptiX OSN 6800A NEs are used, intra-NE
and inter-NE communication are achieved through fiber connections and network cable
connections.

NE Connections
Figure 1 and Figure 2 show the NE connection scheme. The figure presents
connections
between two NEs: NE1 and NE2. Each NE consists of three subracks, one of which is
the master subrack and the other two are slave subracks. The master and slave
subracks are connected using fibers and network cables.

OptiX OSN 8800/6800A/3800A Installing, Operating and Maintaining Your Network(For
Field Engineer) 3 Quick View of Product Issue 02 (2013-10-30) Huawei Proprietary and
Confidential Copyright © Huawei Technologies Co., Ltd. 314

Figure 1 NE connection scheme (OptiX OSN 8800 T32/8800 T64/6800A)




3
Figure 2 NE connection scheme (OptiX OSN 8800 T16)




Inter-NE communication:
l As shown in the figure above, NE1 connects to the NMS through the NM_ETH1
4
interface
on the EFI2/EFI board in the master subrack using a network cable, enabling the NMS to
manage the two NEs.

l Inside each NE, OTU, OADM/OA/OM/OD, OSC, and FIU boards are properly
connected
through fibers. The FIU boards are also connected to other NEs. ESC or OSC channels
are used to achieve inter-NE communication.

l The NM_ETH2 interface on the EFI1/EFI board in the master subrack of one NE is
connected to the NM_ETH1 interface on the EFI2/EFI board inside the master subrack of
the other NE using a network cable, achieving inter-NE communication over Ethernet
channels.

Intra-NE communication:
For each NE, the ETH2 and ETH3 interfaces on the EFI2/EFI board inside the master
subrack are connected to the ETH1 interfaces on the EFI2/EFI boards in the slave
subracks to achieve communication between the subracks.

Management Connections among OSN8800&6800A&3800A
On a hybrid network where OptiX OSN 8800, 6800A, and 3800A NEs are used, the inter-
NE communication and intra-NE communication are achieved through fiber connections
and network cable connections.

Connections
Figure 3 shows the NE connection scheme. The figure illustrates how three NEs (namely
NE1, NE2, and NE3) of different types are connected. As shown in the figure, NE1
consists of a master subrack (OptiX OSN 8800) and two slave subracks (OptiX OSN
8800 T16/6800A); NE2 and NE3 are two OptiX OSN 3800A NEs.

Figure 3 NE connection scheme




5
Inter-NE communication:
l As shown in the figure above, NE1 connects to the NMS through the NM_ETH1
interface
on the EFI2 board in the master subrack using a network cable, enabling the NMS to
manage all the NEs.

l The OTU, OADM/OA/OM/OD, OSC, and FIU boards inside NE1 are connected through
fibers. The FIU boards are also connected to other NEs. ESC or OSC channels are used
to achieve inter-NE communication.

l NE2 and NE3 are connected through their OTU, OADM/OA, OSC, and FIU boards
using
fibers. The FIU boards of the two NEs are also connected to other NEs. ESC or OSC
channels are used to achieve inter-NE communication.

l The NM_ETH2 interface on the EFI1 board of the master subrack inside NE1 connects
to
the NM_ETH1 interface on the AUX board inside NE2 through a network cable. The
NM_ETH2 interface on the AUX board inside NE2 also uses a network cable to connect
to the NM_ETH1 interface on the AUX board inside NE3. In this manner, all the NEs
communicate with each other using Ethernet channels.

Intra-NE communication:
For NE1, the ETH2 and ETH3 interfaces on the EFI2 board inside the master subrack
6
are
connected to the ETH1 interfaces on the EFI2/EFI boards in the slave subracks to
achieve
communication between the subracks.




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