USRIOT USR-N520, User Manual

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4. Setting Protocol
USR-N520 includes two protocol: network setting protocol and serial port setting protocol.
4.1. Network Setting Protocol
4.1.1. Set Parameter Process
1. Build SOCKET:
Build UDP SOCKET, destination IP: 55.255.255.255, destination port: 1901. Low is in front.
2. Setting command process:
1
The network send searching command
2
USR-N520 returns IP address and MAC
3
The network read USR-N520’s parameter
4
Organize setting command according to MAC, known user name/password and parameter to be
configured.
5
Send setting command
6
USR-N520 returns “correct setting”
7
Host PC send “save setting” command
8
USR-N520 returns “correct”
9
Restart command
10
USE-N520 returns “correct setting”
4.1.2. Setting Command Content
Command Look-up List:
Function Header Length command MAC
(6 bytes)
User name
/password
(12bytes)
Parameter Parity
(sum)