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AIPQB1215WA61/01
aipqb1215wa6101_g_en_101
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6. Communication lines and peripherals
6.1. RS422
TFT panel
AIPQB1215WA61/01
contains one RS422 interface led out on the
X4 connector. X4 connector is common for RS422 and Audio. The line is not
galvanically separated, i.e. it is galvanically connected with chassis.
Termination as well as line idle state is defined by DIP switch located near to X4
connector. When both DIP switch contacts are ON
– line termination is
activated.
Connector type: D-sub DE-9, socket
Connector
PIN
Signal
Type of signal on
AIPQB1215WA81/01
X4
1
AUX-R
Audio output
– R
2
Rx+
RS422 input
– positive polarity
3
Rx-
RS422 input
– negative polarity
4
Tx+
RS422 output
– positive polarity
5
AGND
Audio output
– GND
6
AUX-L
Audio output
– L
7
GND
RS422
– GND
8
12V
RS422
– 12 V
9
Tx-
RS422 output
– negative polarity
PWR
X1
ETH
X3
AUDIO + RS422
X4
1
LNK
SYS
ACT
HDD
USB
X2
D
IO
2
1
D
IO
1
2
SB
3
G
N
D
4
Vc
c
5
PE
6
Fig. 12 - RS422 connector location
Number
Meaning
1
Connector X4
– RS422
X4 connector
wiring
Legend
1
2
3
4
5
6
7
8
9