Doc. No: Unex-QSG-21-001
22/27
A printed version of this document is an uncontrolled copy
© 2021 Unex Technology Corporation – Company Confidential
Table 16: Ext GNSS pinout (CN6)
Pin
Symbol
I/O
Level (V)
Description
CN6.1
EXT_1PPS
I
3.3
External 1PPS signal
CN6.2
RX
I
5.0
RS232 serial data from DCE
CN6.3
TX
O
5.0
RS232 serial data to DCE
CN6.4
NC
-
-
Not Connected
CN6.5
GND
G
-
Ground
CN6.6
NC
-
-
Not Connected
CN6.7
NC
-
-
Not Connected
CN6.8
NC
-
-
Not Connected
CN6.9
NC
-
-
Not Connected
Ext GNSS is a RS232 DTE (Data Terminal Equipment). If an external GNSS source
can output NMEA sentences over RS232, this is to port to connect. Please note that
software integration of GNSS protocol will be needed for proper functionality. Contact Unex
representative for more detail.
8.2.3.
CAN0
Figure 20: CAN0 port (CN5)
Table 17: CAN0 pinout (CN5)
Pin
Symbol
I/O
Level (V)
Description
CN5.1
NC
-
-
Not Connected
CN5.2
CAN_L
I/O
5.0
CAN Low. 5V output, maximum input range +/- 40V.
CN5.3
GND
G
-
Ground
CN5.4
NC
-
-
Not Connected
CN5.5
NC
-
-
Not Connected
CN5.6
NC
-
-
Not Connected
CN5.7
CAN_H
I/O
5.0
CAN High. 5V output, maximum input range +/- 40V.
CN5.8
NC
-
-
Not Connected
CN5.9
NC
-
-
Not Connected
If CAN0 termination jumper caps (JP1/JP2) are closed, a pair of 60 Ω termination
resistors (total 120 Ω) are added to CAN0 port. If jumper caps are removed, the termination
resistors are disconnected.
CAN0 termination jumpers
