Rs232 Command Control; Rs232 Pin Assignment; Rs232 Serial Port With A Crossover Cable - BenQ LU9255 Installationsanleitung

RS232 command control

RS232 pin assignment

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

RS232 serial port with a crossover cable

Function Type
Power Write
Write
Read
Source Selec- Write
tion
Write
Write
Write
Write
Write
Write
Read
Audio Control Write
Write
Read
Write
Write
Write
Read
No. Serial
6 N.C
7 Short with pin8
8 Short with pin7
9 N.C
Operation
Power On
Power off
Power Status
COMPUTER/YPbPr
COMPUTER 2/YPbPr2
DVI-D
HDMI (MHL)
HDMI 2 (MHL2)
Composite
HDBaseT
Current source
Mute On
Mute Off
Mute Status
Volume +
Volume -
Volume level for customer
Volume Status
1 2 3 4 5
6 7 8 9
ASCII
<CR>*pow=on#<CR>
<CR>*pow=off#<CR>
<CR>*pow=?#<CR>
<CR>*sour=RGB#<CR>
<CR>*sour=RGB2#<CR>
<CR>*sour=dvid#<CR>
<CR>*sour=hdmi#<CR>
<CR>*sour=hdmi2#<CR>
<CR>*sour=vid#<CR>
<CR>*sour=hdbaset#<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>
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