Networking
Figure 17-7 shows the network diagram for transmitting information collected in centralized
mode in the smart grid over a serial port.
l A terminal unit collects meter information and transparently transmits it to an AMR server
through an ONU serial port.
l An ONU obtains serial port data through its serial port, encapsulates the serial port data
into User Datagram Protocol (UDP) or Transmission Control Protocol (TCP) packets, and
transmits the packets upstream to an OLT through a GPON port. The OLT forwards the
packets to an upper-layer device and finally to the AMR server. After receiving the UDP
or TCP packets sent downstream from the AMR server, the ONU restores the UDP or TCP
packets to serial port data flows and transmits the data flows to terminal units.
Figure 17-7 Network diagram for transmitting information collected in centralized mode in the
smart grid over a serial port
OLTONU
10.1.1.2/24
0/2/0
0/0/0/:VLAN 30
10.1.1.3/24
Master electric
station server
Serial port
frame
Electric
terminal
Socket
communication
NOTE
This example uses an MA5621 as an ONU.
Configuration Flowchart
Figure 17-8 shows the flowchart for transmitting information collected in centralized mode in
the smart grid over a serial port.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide 17 Electrical Service Configuration
Issue 01 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1848
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