Rev. 6.2
Micronet SmarTab 8 – Hardware Guide
50 / 61
5
CAN 1 H
I/O
CAN High Signal
Twisted Pair
6
O.C Output
O
Open-Collector Output 2
Same as Output 1
7
O.C. Output
O
Open-Collector Output 4
Same as Input 1
8
RS232_RX2
I
Receive Data (COM2)
EIA-RS232 Level
9
GND
G
Ground
10
Micr
P
Microphone Positive
Signal
11
Speaker -
N
Speaker Negative Signal
Same as Input 1
12
Automotive Input
I
Digital Input 7
Same as Input 1
13
Automotive Input
I
Digital Input 5
Same as Input 1
14
Automotive Input
I
Digital Input 3
Same as Input 1
15
CAN 1 L
I/O
CAN 1 Low Signal
Twisted Pair
16
O.C. Output
O
Open-Collector Output 3
Same as Output 1
17
RS232_CTS1
O
CTS (COM1)
EAI-RS232 Level
18
GND
G
Ground
19
Microphone -
N
Microphone Negative
Signal
20
RS232_RTS1
I
RTS1 (COM1)
EAI-RS232 Level
21
RS232_TX2
G
Ground
EAI-RS232 Level
22
CAN 2 H
I/O
CAN 2 High Signal
Twisted Pair
23
CAN 2 L
I/O
CAN2 Low Signal
Twisted Pair
24
J1708 +
P
J1708 Positive Signal
Twisted Pair
25
J1708 -
N
J1708 Negative Signal
Twisted Pair
26
SWC
I/O
Single Wire CAN
Pinout by Functionality
The following table lists the 26-pin Dsub connector signals by functionality.
Table 7:
Secondary Connector Signal Map (by Functionality)
Pin
Signal
Type
Function
Specifications
1
S
P
Speaker Positive Signal
2
Automotive Input
I
Digital Input 6
Same as Input 1
3
Automotive Input
I
Digital Input 4
Same as Input 1
Pin
Signal
Type
Function
Specifications
4
Automotive Input
I
Digital Input 2
Same as Input 1