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OSN 500 550 580 V100R008C50 Commissioning and Configuration Guide 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Basic Concepts

Basic Concepts

The OptiX OSN equipment uses the 19.2 kbit/s asynchronous transparent data port on the auxiliary interface board to realize the full-duplex communication of the universal asynchronous receiver/transmitter (UART).

Overview

The data is transparently transmitted through the broadcast data port. Hence, you need not configure the port rate and transmission control protocol. The maximum transmission rate is 19.2 kbit/s. The broadcast data port is connected to the data terminal equipment. Hence, you can configure the point-to-point and point-to-multipoint communication modes. The data can be broadcast to multiple optical ports.

As shown in Figure 2-81, the section overheads SERIAL1-SERIAL4 can be used as the broadcast data channels.

NOTE:

The broadcast data port accesses the asynchronous data and then transmits the data to the opposite end over byte SERIAL1, SERIAL2, SERIAL3, or SERIAL4. The opposite end receives the digital signal and converts the digital signal into an asynchronous serial signal.

Figure 2-81  Overhead channel

Precautions for Configuring the Broadcast Data Port

When you configure the broadcast data port, note the following points (including the configuration of the optical ports and the direction of the signal flow):

  • The optical ports that are not required must not be configured in the broadcast domain of the broadcast data port.
  • The NEs where the broadcast ports are not used must not be configured in the broadcast domain.
  • It is recommended that the signal flow is in the same direction as the NE clock tracing direction.
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Updated: 2019-01-21

Document ID: EDOC1100020976

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