MicroNet SmartHub LTE Underdash, Hardware Manual

Page: 23 / 29

Connector Signals Map
Main Connector Pinout
Rev. 1 SmartHub Underdash OBC Hardware Guide 23 / 28
Pin Signal Type Function Specifications
15

USB Host 1 D-
B USB Host Port1 Data- USB 2.0
16

J1708 N
N J1708 Negative Signal
17

USB Host 1 D+
B USB Host Port1 Data+ USB 2.0
18 SWC I/O CAN Single wire CAN
19 USB Host 1 GND G Ground USB 2.0
20 GND G
Ground
Pinout by Functionality
The following table lists the 20 pin connector signals by functionality.
Table 2: Main Connector Signal Map (by functionality)
Pin Signal Type Function Specifications
1 VIN_GND G
MDT Power supply
Ground
2 VIN_GND G
3 +VIN V
Input Power
12V/24V
Typical
– 12V/24V
-
Minimum continues
– 8V
-
Maximum continues
– 32V
4 +VIN V
5 Ignition Input A

A2D Input
Ignition switch
Typical Min Max
Input Low: V
IL
0V -30V 6V

Input High: V
IH
12V-24V
+
8V +30V
6 CAN1 H I/O
CAN High Signal
8 CAN1 L I/O
CAN Low Signal
10 CAN2 H I/O

CAN High Signal

12 CAN2 L I/O

CAN Low Signal
18 SWC I/O CAN Single wire CAN
14 J1708 P P
J1708 Positive Signal
16 J1708 N N
J1708 Negative Signal
13

USB Host +5V
V USB Host Port VBUS USB 2.0
15 USB Host 1 D- B
USB Host Port1 Data- USB 2.0
17 USB Host 1 D+ B USB Host Port1 Data+ USB 2.0
19 USB Host 1 GND G
Ground
USB 2.0