Tescom TC-5972DP, User Manual

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RS-232C Command Protocol
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5.2 RS-232C Port Setting
UART port setting is required as follows in order to control the shield box via RS-232C.
Table 5-1 RS-232C Port Setting
Data rate
9600 bps
Data bits
8 bit
Parity
None
Stop bits
1 bit
Flow Control
None
5.3 RS-232C Command Protocol
5.3.1 Command and Response Message
1
Every time a command is sent from PC to Shield Box, a CR(Carriage Return : Wr (0x0D)) is sent at
the end of it. (\r(0x0D))
2
When a command is sent, a response (Response Data+\r(0x0D)) comes back after a moment.
3
If an invalid command is sent, an error (Error Data+\r(0x0D)) comes back after a moment.
4
Commands are capitalization-free.
You must wait for a response whenever you send a command from PC to Shield Box.
Otherwise, an error will occur.