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RS232/485 TO WIFI POE ETH (B) User Manual
Attachment: Explanation of the meaning of serial port parameter bit.
Name
Header
Bytes
3
Reduce false
Note
positives by
three bytes
Example
55AA55
(115200, N,
8,1)
Example
55AA55
(9600,N,8,1)
No. Name
Bytes
1
Header
1
2
Length
2
3
Command
1
code
4
AP number
1
5
SSID1
Indefinite
length
6
Terminator
1
7
Signal
1
strength 1
8
Terminator
2
...
...
...
M
SSIDn
Indefinite
length
M+1 end mark
1
M+2 Signal
1
strength n
M+3 Terminator
2
M+4 Checksum Bit 1
Table Query Instructions
Baudrate
3
Three bytes
represent a baud
rate value, with the
high byte first
01C200
002580
Form query reply instruction
Note
Fixed value 0xFF
The total number of bytes after the length (excluding the length
itself) and before the checksum byte (excluding the checksum
byte).
Command type, and the reply instruction corresponding to the
query instruction is 0x81.
Number of currently detected APs
The SSID of router 1.
The SSID terminator for router 1, with a fixed value of 0x00.
The signal strength of router 1 network, ranging from 0 to 100,
corresponds to an actual value of 0% to 100%.
Terminator of signal strength 1, 0x0D, 0x0A.
.........
The SSID of router n.
SSID terminator of router n, fixed value 0x00.
The signal strength of router N network ranges from 0 to 100,
and the corresponding actual value is 0% to 100%.
The terminator of signal strength n, 0x0D, 0x0A.
The cumulative sum of all bytes after the header (excluding the
header) and before the checksum (excluding the checksum).
63
Bits
Checksum
1
1
Different bits
The checksum of the
represent
first four bytes,
different
ignoring any
meanings,
carry-over
See attached
table
83
46
83
28
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