CANDTU-400ER
CAN Bus Message Recording and Wireless Data Transmission Equipment User Manual
©2021 Guangzhou ZLG Electronics Technology Co.,Ltd.
6
User Manual
3. Hardware Interfaces
This section describes the hardware interfaces of the CANDTU-400ER device.
3.1 Panel Layout
Figure 3.1 shows the device panel layout.
Figure 3.1 Panel layout
3.2 Indicators
Table 3. 1 LED indicators
Identification
Function
STATUS
Description
PWR
Power indicator
The indicator is on
The device is powered on
properly
The indicator is off
The device is powered off, or
the power supply is abnormal
SYS
System running status
indicator
Green flashing light
The device is normal
The red indicator
flashes slowly
SD card abnormal
The red indicator
flashes quickly
Device power-off state
SD
SD card status light
Normally on
The SD card is ready
The green light
flashes quickly
SD card ready status
The green light
flashes slowly
SD card write status
The red indicator
flashes slowly
The SD card writes data, and
there is insufficient channel
space
The indicator is off
The SD card has not started
ENT
Indicates the Ethernet
status
Green flashing light
Ethernet data transmission
The indicator is off
Ethernet has no data
transmission or is not connected
CAN0
、
1
CAN channel
The indicator is off
The CAN channel is not