5
6.3 RS-232 Protocols
6.3.1 Pin Assignment
Pins de
fi
nition of modem cable
3G-SDI 4 by 4 Switcher/
Splitter
Remote Controller
PIN
Definition
PIN
Definition
1
NC
1
NC
2
TxD
2
RxD
3
RxD
3
TxD
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: 19200 bps
Data bit: 8-bits
Parity: None
Stop bit: 1-bit
Flow Control: None
6.3.2 Commands
Command
Action
poweroff
Power OFF
poweron
Power ON
input01
Input selection 1
input02
Input selection 2
input03
Input selection 3
input04
Input selection 4
?input
Inquire Current Input selection
Note: All the RS-232 command will be not executed unless followed
with a carriage return. Commands are Case-Sensitive.
CSDI-42
Remote Controller
PIN
Definition
PIN
Definition
1
NC
1
NC
2
TxD
2
RxD
3
RxD
3
TxD
4
NC
4
NC
5
GND
5
GND
6
NC
6
NC
7
NC
7
NC
8
NC
8
NC
9
NC
9
NC