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Communication Ports
Table 2-3 Communications port description
Supports RS485 and RS232 ports,
with baud rates 9600 bit/s and 19200
bit/s respectively.
YDN protocol/Huawei
master slave protocol
NOTE:
The COM ports and RS485/RS232 ports work in active/standby mode. Either of them is at
work.
The RS485 and RS232 serial ports are mutually exclusive.
Figure 2-2 Pins of the RJ45 port
Table 2-4 COM or RS485/RS232 port pin definition
Receives data over RS485.
Receives data over RS232.
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