OptiX RTN 600
Product Description
Commercial in Confidence Page 31 of 44
Note:
DCN communications use the TCP/IP or TP4 protocol.
To cascade NEs, use a network cable or DCN to connect the NE cascade
interface of the upper NE with the NM interface of the lower NE.
II. Gateway Mode
In this mode, there is a gateway NE (GNE), and the Web LCT server is connected to
the NM interface of the GNE directly or through a DCN network. The GNE
communicates with the target NE using embedded control channel (ECC). The GNE
interfaces between the Web LCT server and the target NE to forward messages.
Web LCT server
IE terminal
IE terminal
DCN
ECC
Gateway NE
Target NE
Figure 6-4
Web LCT networking mode (gateway mode)
Note:
The GNE can be any of Huawei OptiX series of transmission products.
ECC employs either the SDH DCC or the microwave DCC for transmission. When
the extended ECC function is enabled, ECC can also be transmitted over DCN.
Figure 6-5 shows a network where there is no DCC channel between the GNE and
the target NE, and a network cable or a DCN network is used to transmit ECC.
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