Atlona AT HDMI 44M - Manual (Page 6)

4
4.4 RS-232 Protocol
4.4.1 Pin Definition
4.4.2 Commands
COMMAND ACTION
P0 Power Off (standby)
P1 Power On *
ST System Status *
VR Firmware Version
A1 Output A select Input1
A2 Output A select Input2
A3 Output A select Input3
A4 Output A select Input4
B1 Output B select Input1
B2 Output B select Input2
B3 Output B select Input3
B4 Output B select Input4
C1 Output C select Input1
C2 Output C select Input2
C3 Output C select Input3
C4 Output C select Input4
D1 Output D select Input1
D2 Output D select Input2
D3 Output D select Input3
D4 Output D select Input4
*RS-232 transmission format:
Baud Rate: 9600 bps
Data bit: 8 Bits
Parity: None
Stop Bit: 1 bit
AT-HDMI-44M Remote Control Console
PIN Definition PIN Definition
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