CYP AU-D820S - RS-232 Protocols; RS-232 & Telnet Commands

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6.3 RS-232 Protocols
AU-D820S
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Remote Control
PIN Assignment PIN Assignment
1 NC 1 NC
2 Tx 2 Rx
3 Rx 3 Tx
4 NC 4 NC
5 GND 5 GND
6 NC 6 NC
7 NC 7 NC
8 NC 8 NC
9 NC 9 NC
Baud Rate: 115,200 bps
Data bit: 8 bits
Parity: None
Flow Control: None
Stop Bit: 1
6.4 RS-232 & Telnet Commands
Command Status
POWER OFF/ON Set Power Status
INPUT COAX 1~4 Choose a Coaxial input
INPUT OPTICAL 1~4 Choose an Optical input
STATUS Show Current Information
?/H/HELP Show all commands
All RS-232 commands will be not executed unless followed with a carriage
return. All commands are case-sensitive.