Gefen TOOLBOX GTB-HD4K2K-442-BLK, User Manual

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Advanced Operation
RS-232 Interface
Only TXD, RXD, and GND pins are used.
RS-232 Settings
Description Setting
Baud rate
19200
Data bits
8
Parity
None
Stop bits
1
Hardware flow control
None
IMPORTANT: When sending Telnet or RS-232 commands,
a carriage return (0d) and a line feed (0a) must be included at the
end of the command.
DA-15
DE-9
DB-25
DC-37
DD-50
5
6
4
7
3
8
2
9
1
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
R1 DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
R1 1
2
3
4
5
6
7
8
9 1
2
3
4
5
6
7
8
9
RS-232 Controller Matrix
RS-232 and IP Configuration