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MEITRACK MD822S MDVR User Guide
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A61 sensor box
Temperature sensor The sensor cable is five meters in length by default.
RFID reader
RFID tag RFID tags are provided based on users' needs.
iButton reader
iButton key iButton keys are provided based on users' needs.
Microphone and speaker
2.5 About the MDVR
2.5.1 Appearance
Figure 2.5.1 Front panel
Interface Sign Name Description
Ethernet port and USB port ETH&USB Ethernet port: used to transmit data or configure device
parameters.
USB port: used to upgrade the device.
Debug interface Debug Connect to a PC to configure device parameters.
Electronic lock Used to lock an SD card and SIM card, and power on or power off
the device.
Microphone/Speaker interface Audio Connect to the microphone or speaker.
2.5.2 LED Indicator
Sign Name LED Indicator Indicator Status Description
PWR Power LED
indicator Steady on The ACC is on and the device is locked.
Steady off The ACC is off and the device is unlocked.
WIFI WiFi LED
indicator Blink suddenly (once every 5 seconds;
indicator on: 100 ms) There is a WiFi module, but no data is sent.
Blink fast WiFi data is sent and received normally.
Steady off There is no WiFi module.
HDD Hard disk LED Blink fast (frequency for writing data) A storage disk is detected, and audio and