
29
Cross LAN cable (PC to PC)
RJ45
P1
P2
LAN
Signal
P1
P2
Signal
TX+
1
3
RX+
TX-
2
6
RX-
RX+
3
1
TX+
RX-
6
2
TX-
Control Codes
Viewing control state (Get control command)
Header
Command
ID
Data length
Checksum
0xAA
Command type
0
Controlling (Set control command)
Header
Command
ID
Data length
Data
Checksum
0xAA
Command type
1
Value
Command
No.
Command type
Command
Value range
1
Power control
0x11
0~1
2
Input source control
0x14
-
3
Screen mode control
0x18
-
4
Safety Lock
0x5D
0~1
•
All communications take place in hexadecimals. The checksum is calculated by adding
up all values except the header. If a checksum adds up to be more than 2 digits as shown
below (11+FF+01+01=112), the first digit is removed.