* Question
According to different access methods of PTN network users, what kinds of specific services can be divided into? |
* Answer
The start bit S, 7 data bits bl b7 and the communication end bit E constitute |
* Question
According to different access methods of PTN network users, what kinds of specific services can be divided into? |
* Answer
The start bit S, 7 data bits bl b7 and the communication end bit E constitute |
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