User's Manual

IKARPC-07A-A9 In-vehicle Panel PC
Page 21
3.7.2 I/O Connector 2 (24-pin)
The 24-pin I/O connector (IO 2) supports the following external peripheral devices:
 1 x Audio line-out (R+L)
 1 x Audio line-in
 1 x RS-232
 2-bit digital input
 2-bit digital output
The pinouts for the IO 2 connector are listed in the figure and table below.
Figure 3-7: IO 2 Connector Pinout Locations
Pin
Description
Pin
Description
COM
1
COM_TXD
13
COM_RXD
COM
2
NC
14
NC
3
COM_RTS
15
COM_CTS
4
COM_GND
16
NC
5
NC
17
NC
6
NC
18
DIO_GND
Digital Input
Digital Output
7
DIO_OUT_1
19
DIO_IN_1
8
DIO_OUT_2
20
DIO_IN_2
9
DIO_GND
21
AUDIO_GND
Audio Line-in
Audio Line-out
10
AUDIO_GND
22
LINE_IN_L
11
HP_OUT_L
23
LINE_IN_R
12
HP_OUT_R
24
HP_DET_IN
Table 3-2: IO 2 Connector Pinouts