Rs232 Command Control; Rs232 Pin Assignment; Rs232 Serial Port With A Crossover Cable - BenQ LU960UST Installation Manual

RS232 command control

RS232 pin assignment

No. Serial
N.C
1
RXD
2
TXD
3
N.C
4
Ground
5

RS232 serial port with a crossover cable

Function Type
Power Write
Write
Read
Source Write
Selection
Write
Write
Write
Write
Read
Audio Control Write
Write
Read
Write
Write
Write
Read
No. Serial
N.C
6
Short with pin8
7
Short with pin7
8
N.C
9
1
RX
6
2
7 TX
3
8
4
9
5
Operation
Power On
Power off
Power Status
COMPUTER/YPbPr
HDMI(MHL)
HDMI 2(MHL2)
HDBaseT
DisplayPort
Current source
Mute On
Mute Off
Mute Status
Volume +
Volume -
Volume level for customer
Volume Status
1 2
6 7
Ground
5
9
4
TX
8
3
7
RX
2
6
1
<CR>*pow=on#<CR>
<CR>*pow=off#<CR>
<CR>*pow=?#<CR>
<CR>*sour=RGB#<CR>
<CR>*sour=hdmi#<CR>
<CR>*sour=hdmi2#<CR>
<CR>*sour=hdbaset#<CR>
<CR>*sour=dp#<CR>
<CR>*sour=?#<CR>
<CR>*mute=on#<CR>
<CR>*mute=off#<CR>
<CR>*mute=?#<CR>
<CR>*vol=+#<CR>
<CR>*vol=-#<CR>
<CR>*vol=value#<CR>
<CR>*vol=?#<CR>
3 4 5
8 9
ASCII
15