Quick start guide for tracker GPS/GLONASS/GSM МТ-855 ENT
1. General information
This quick start guide applies to the car tracker GPS/GLONASS/GSM МТ-855 ENT
(hereinafter referred to as the "tracker")
Table 1. Specifications
Average current consumption (24V)
Built-in battery capacity
Built-in battery life time
depends on settings and
ambient temperature
Working temperature range
with data transfer to the
server
working from backup battery
charge battery protection
with connector covers and
when using corrugated tubes
Mass and overall characteristics
Built-in sensors and modules
The amount of non-volatile memory
Number of entries in the telemetry log
Accelerometer, gyroscope, intrusion
sensor, buzzer
Traffic encryption function
For reading digital, analog,
frequency and counter value
Open collector type, switching voltage
up to 65 V, current up to 200 mA
RS-485, RS-232, 1-wire, CAN, USB
2. Indication
On the tracker board there are three LED indicators visible from the outside of the housing to
control the operation of the tracker. The purpose of the indicators is shown in Figure 1 and
described in Table 2
Figure 1. Purpose of indicators
Table 2.
Flashing blue 1 time per second - - - - -
Searching and capturing GPS
signals
Flashing blue once every 5 seconds - - - -
Flashing green 1 time per second - - - - -
Search and registration in the GSM
network
Flashing green once every 5 seconds - - - -
Registered in the GSM network
Glows green constantly —————
There is an exchange of information
with one of the Servers
No external power / in
"Hibernation" mode
Glows red constantly —————
Flashes red once every 5 seconds - - -
Flashes red 1 time per second - - - - -
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