RS-232 Protocols
Pin Assignment
Pins definition 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
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.
