MiX Telematics 41MC3G Mobile base station with BT(LE), SRD and GSM modem User Manual Installation Guide MiX 4000 v8

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Date Submitted	2017-04-07 00:00:00
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Document Author:	SteveD

MiX 4000
Installation Guide
Table of Contents
Introduction ................................................................................................................................3
1.1 Glossary Terms ..................................................................................................................3
1.2 MiX 4000 Hardware Features ..........................................................................................3
1.3 MiX 4000 Power Requirements .......................................................................................4
2. Safety ..........................................................................................................................................4
2.1 Installer Requirements .......................................................................................................4
3. Prior to Installation ....................................................................................................................5
3.1 Preparing the SIM card......................................................................................................5
3.2 Inserting of SIM card ..........................................................................................................5
3.3 Configuration of unit ...........................................................................................................5
3.4 Installation Steps ................................................................................................................6
4. Installation ..................................................................................................................................6
4.1 During installation ...............................................................................................................6
4.2 Positioning of product components .................................................................................6
4.3 General Wiring Requirements ..........................................................................................8
4.4 Harnesses and connectors .............................................................................................10
4.5 Wiring and Connections ..................................................................................................14
4.6 Code Plug Socket Installation ........................................................................................17
4.7 Signal Inputs......................................................................................................................18
4.8 Power Outputs ..................................................................................................................19
4.9 Serial Communication......................................................................................................21
4.10
CAN.................................................................................................................................21
4.10.1
Overview .....................................................................................................................21
4.10.2
Tools and Inspection need for CAN Installation ...................................................21
4.10.3
Wire lengths ...............................................................................................................22
4.10.4
CAN jumper settings.................................................................................................22
4.10.5
When must the 120 Ohm terminating resistor be in the circuit?........................25
4.10.6
General Rules for CAN terminating resistors .......................................................25
4.10.7
When must the RD/WR Jumpers be in the circuit? .............................................26
4.11
DLD and DTCO .............................................................................................................27
4.11.1
D-8 ...............................................................................................................................27
4.11.2
Connect CAN to DTCO ............................................................................................27
4.11.3
K-line ...........................................................................................................................28
4.12
Bluetooth ........................................................................................................................28
5.
After Installation ................................................................................................................28
5.1 Beep codes........................................................................................................................28
5.2 LED flash codes................................................................................................................29
5.3 Testing Installation ...........................................................................................................30
6. Troubleshooting.......................................................................................................................30
7. Routine Maintenance..............................................................................................................31
8. MiX 4000 Specifications .........................................................................................................31
8.1 Technical description .......................................................................................................31
8.2 Auxiliary inputs/outputs....................................................................................................32
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8.3
Inserting a Backup Battery ..............................................................................................33
Introduction
The MiX 4000 is a high end Fleet product that incorporates the latest market trends.
1.1 Glossary Terms
ABBREVIATION
BT
DLD
DTCO
GPS
GSM
GND
RX
TX
WiFi
BT
DESCRIPTION
Bluetooth
Download Device
Digital Tachograph
Global Positioning System
Global System for Mobile Communications
Ground (0V)
Receive
Transmit
Local Area Wireless Computer Network
Bluetooth
1.2 MiX 4000 Hardware Features
Digital/Analog Inputs
Frequency Inputs
Tacho Inputs
Ignition input
CAN
GNSS
GSM
Serial Ports
K-line and D8
Bluetooth
Accelerometer
Positive drive
Tamper detection
Code Plug
There are 2 analogue inputs can be configured to monitor any device that
generates a change in voltage, e.g. seat belts, headlights, refrigeration units,
temperature sensors, emergency lights, doors, PTO, UDS, trailer coupling
etc. Disconnection of these inputs can be detected using open-wire detect.
There are 2 x frequency/pulse inputs for integration with legacy sensors exist
It is possible to configure any of the 4 existing inputs listed above
(Digital/Analogue and Frequency) as tacho inputs
Used to monitor the ignition switch status. Maximum 36V input, impedance >
100kOhm. The unit is able to detect when the Ignition gets connected or
disconnected. Disconnection of this input can be detected with open-wire
detect.
The system has 2 x CAN inputs that support J1939 and OBDII CAN as a
minimum. Configuration of the termination resistor and the transmit disable
can be done either with jumpers (for safety critical installs) or via software
settings.
GPS and Glonass available
3G UMTS/HSDPA/HSUPA Characteristics
2x RS232 serial ports (with flow control)
K-line interface for Digital Tachograph (DTCO D8 input)
Support Bluetooth V4 and CSA2
3-axis ±2g /±4g / ±8 g / ±16 g dynamically selectable full-scale and is
capable of measuring acceleration with output data rates from 1 Hz to 5 kHz
4 x Positive drive with open-load detect and current sense diagnostics, 1x
with 1.5A current limit and 3x with 250mA current limit
Tamper detection when the housing is opened (covers removed). Shorting,
cutting, or unplugging any of the external antennas can also be detected.
Standard FM code plug circuit (Optional: 5V aux output)
Only Blue Driver plug supported.
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Internal Back up battery
Buzzer and LED
RF Transceiver
RTC
An internal battery provides power for more than 8 hours if the supply from
the vehicle’s battery is removed.
A Buzzer is available to warn the driver and to provide feedback of the
vehicle’s status. 2 x LEDs at the back provide feedback on the status of the
unit.
433 or 915 MHz RF transceiver
Real time clock with coin-cell battery
1.3 MiX 4000 Power Requirements
The MiX 4000 is designed for use in 12V or 24V vehicles. Special vehicles and working machines with
voltages above 33V will require a voltage converter to facilitate the required power supply input.
2. Safety
2.1 Installer Requirements
Installation should only be undertaken by a vehicle technician with comprehensive occupation
specific knowledge. Installation by an unqualified technician may adversely affect the operating
reliability of the vehicle and could endanger other road users.
A basic knowledge of vehicle electrical and mechanical systems is required to successfully install
the Fleet Manager system.
The system should only be installed by a suitably qualified vehicle technician with a basic knowledge
of the operation of computers.
Installation technicians should attend a training course to acquire the skills needed for installation,
configuration and operation of the Fleet Manager system.
Installers should consult the vehicle manufacturer’s documentation for the specific vehicle make and
model prior to undertaking an installation.
Installers should pay particular attention to the location of fuel systems, hydraulic systems,
compressed air systems and other electrical and mechanical systems, which may have a bearing on
the installation.
Installers should pay attention to any changes to the vehicle’s systems or settings, which should be
noted prior to the installation.
Installers should not smoke or make use of naked flames, which could cause a fire in or near the
vehicle.
After installation, verify that no interference is caused to the vehicle’s electrical system. Check dashboard
warning lights and error messages. Should any error conditions exist, remove the installed unit and contact
MiX Telematics for assistance.
2.1.1 Tools

Standard technical equipment and appropriate tools for use with vehicles are required to install
the MiX 4000.

Vehicle specific tools may be required for the removal of consoles and covers.

Supporting tools
o Multi-meter
2.1.2 Secure the workplace

Remove the ignition key from the vehicle’s ignition lock.
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
Ensure that the vehicle’s engine cannot be unintentionally started during the installation.

Short-circuiting the vehicle’s electrical system may result in fire, explosion of the battery and/or
damage to other electrical systems.

Electrical shock from high voltage batteries must be avoided, as this may lead to death or injury.

The negative terminal of the vehicle’s battery should be disconnected before commencing
installation. If the vehicle has additional batteries, it may be necessary to disconnect the
negative terminals of these batteries too.
2.1.3 Precautions
2.1.3.1 ESD
Prior to touching the PCB, inserting a new SIM or replacing the battery, always take ESD precautions:

Either use an earthed wrist strap or touch a known earth point (or negative potential in the
vehicle) prior to handling the unit

If the PCB must be handled, avoid direct contact with any of the components and handle it by
only touching the edges of the PCB
3. Prior to Installation
3.1 Preparing the SIM card
Before inserting the SIM card determine if the SIM needs to be secured with a unique PIN
If a PIN secured SIM is required

Ensure that the SIM is configured as “PIN required”

Ensure that the PIN is set as either 0000 or 00000

The MiX 4000 will change the PIN to a unique number that it calculates for the device

The SIM is then locked to the device and will be PUK locked if inserted in another device
If an unsecured SIM is required

Ensure the SIM is configured as “PIN not required”

The MiX 4000 will leave the SIM with this configuration

This SIM can be moved to a different device without risk of it being PUK locked
3.2 Inserting of SIM card
In order to insert the SIM card, the following steps must be followed:

Observe ESD precautions as prescribed in section 2.1.3

The SIM card is accessible from the back panel.

Insert the SIM card as indicated by the engraved symbol on the housing plastic.
3.3 Configuration of unit
The MiX 4000 is configured with default fleet settings during commissioning. Via the MiX Fleet Manager
software interface it is possible to make over the air changes to some settings.
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3.4 Installation Steps
Step
Action
Ensure the SIM is correctly prepared (refer to section 3.1)
Software Tools
None
None
3)
Insert the SIM card (refer to ESD precautions in section 3.2). The
SIM card orientation is illustrated in section 3.1
Configure the unit as described in section 3.3
Dynamix
4)
Configure Bluetooth if applicable (section 4.12)
Bluetooth Installation Tool
5)
Install harness
None
6)
Install code plug socket
None
7)
Install GPS antenna
None
8)
Connect power and signal inputs
None
9)
Test Installation
10)
Test GSM observing the LED flashing sequence (see section 5.2)
Verify that the unit reports
to the Back End
None
11)
Test GPS observing the LED flashing sequence (see section 5.2)
None
12)
Install unit
1)
2)
On the MiX 4000, the unit maintains an on-board odometer. This starts at 0 km from the factory. An offset
can be sent from the MiX Telematics Fleet Manager user interface to align the odometer value on the MiX
4000 unit with the vehicle odometer at install time using the Bluetooth installation tool. An updated value can
be sent at any time over the air from Dynamix to realign these two values.
4. Installation
4.1 During installation
Should it be necessary to remove seats, covers or other components, care should be taken to avoid
accidental damage and/or disconnection of cables.

All components should be checked for damage prior to being installed into the vehicle.

For small installation openings, a drill should be used.

For larger openings, a conical milling cutter, compass saw or file should be used.

All rough edges should be trimmed.

Careful attention must be paid to the manufacturers’ safety regulations for all tools used.

Oils and fuels must be collected in appropriate containers and disposed of in accordance with
the law.
4.2 Positioning of product components
Installers should ensure that the components of the product do not influence or hamper the functioning of
the vehicle’s systems.

Care should be taken to ensure that the product’s components do not get damaged during
installation.

Ensure that sufficient space is available for all components of the product, prior to
commencing the installation.
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
Should the bracket be used to fix the unit to the vehicle, make sure that the unit and bracket
are securely clipped together. Add a cable-tie around the complete housing and bracket
assembly for a more secure mounting it required.

Avoid installing in known high-temperature areas, such as parts of the engine bay or near
major heat sources.
Operating range (with backup battery): -20°C to +60°
Operating range (without backup battery): -20°C to +80°
Battery will only charge in the range 0°C to +45°C

Ensure that the unit and harness are secured to prevent the harness vibrating differently to
the unit at the harness connectors.

Correct orientation of the unit is important to ensure good GPS reception if the internal GPS
antenna is being used (it is not a problem if the external antenna is used). In this case where
the internal antenna is used, the unit should be mounted with the top side (with
MiXTelematics engraved) facing up, and the label side down. Additionally, it is advisable to
install the unit in a location where the GPS view of the sky is relatively unobstructed by metal.
Most vehicle boots for example, may form a metal cage which prevents GPS reception. Under
the vehicle bonnet will also not give good performance.
Engraved side facing up

Please note that the voltage of the external relay is rated to the vehicle voltage specification.
Do not run a 12V relay at 24V. The Relay Specifications are:
Coil current rating:
< 250 mA
Coil Voltage Rating:
Must match the vehicle battery supply

Please pay attention to the routing course of cables and wiring.

Do not install the product in or near the location of mechanical or electrical airbags.

Do not install the GSM antenna onto any cable or metal parts (it only applies to optional
external GSM).

Do not drill into supporting or stabilizing braces or beams.
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4.3 General Wiring Requirements
Note the product’s wire gauge cross-sectional area. If the wire gauge cross-section is reduced, current
density increases which may cause the wiring to overheat.

Cables should be routed in existing channels and should not be routed parallel to ignition cables
or other cables subject to high current.

Cables should be fixed with cable-ties or adhesive tape.

Do not route cables over moving parts or too close to the high voltage areas (like the spark
plugs)

Do not fix cables on the steering column.

Ensure that the cables are not exposed to pulling, pressure or shearing deformation.

If the cables are routed through drilled holes, rubber grommets or similar protection should be
used.

Suitable cable-strippers should be used to strip insulating material from cables and cablestrippers should be adjusted to suit the wire gauge being stripped, to avoid damaging or
separating the wire strands.

Cables should only be connected using solder or suitable crimping lugs.

A proper crimping tool should be used on all crimping lugs.

Careful attention must be paid to the manufacturers’ safety regulations for all tools used.

Insulate all exposed wires to prevent short-circuits. Use good quality adhesive tape or heat
shrink (provided).

Connections to vehicle power supply must be installed with a fuse (check if the main harness is
fitted with a fuse).

Be aware that short-circuiting may be caused by faulty connections and crushed or damaged
cables.

Short-circuiting the vehicle’s electrical system may result in fire, explosion of the battery and/or
damage to other electrical systems. To prevent this, all connections carrying current must be
soldered and insulated correctly. Other connections such as the speed signal, RPM signal,
brake light or clutch switch can be made with crimping lugs.

Incorrect connections can lead to short circuits. Connections should only be made in
accordance with the vehicle’s wiring diagram.

Current and voltage should be measured with a multi-meter or diode test lamp.

The use of inadequate test equipment may result in damage to control devices or other
electrical systems.

Route the harness in such a way as to prevent water condensation that may form on the cable
from running into the unit. This can be achieved by having the harness at a lower point just
before it connects to the unit. If the back plate is lower than the rest of the unit, water can
accumulate inside the unit with no way to escape and invalidates the IP54 rating. The unit
should also never be exposed to direct water spray and jets.

Shortening of antenna wires:
It would be better to circle/coil excess wires. Avoid sharp bends at the zig/zags. Take
care not to tie coax wires too tight. The coax should not be squeezed or pinched. Using
the broadest possible cable tie.
The best place to circle/coil the wires is about 300 mm in line from the antenna.
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o
If the GSM and GPS antennas are both coiled, they should be spaced apart.
Refer to section 4.4.7 for more detailed GPS wiring instructions
Refer to section 4.4.8 for more detailed GSM wiring instructions
Avoid
Recommended
Avoid sharp corners and bends:
Use rounded bends:
Avoid coupling between 2 different pieces of
wire:
Separate coiled wires where possible:
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4.4 Harnesses and connectors
Please read the “Safety” section of this document before installing the vehicle harness.
Confirm which of the harnesses will be used in the install as the wire colours will differ depending on the
harness selected. All connector diagrams are shown from the back (wiring side) of the harness.
Below is the front view of the MiX 4000.
The pin lay-out and wire colours of the various harness options as well as detailed tables describing pin
functions are shown below.
4.4.1 Harness Part Numbers
440FT0982
MiX 4000 Main Harness
440FT0930
Code Plug Harness CP2
440FT0931
Serial Harness SR1
440FT0933
GLONASS/GPS External GPS Antenna
440FT0945
Code Plug Socket Harness CP1
4.4.2 Main Harness
Connector viewed from the back (wiring side) of harness (440FT0982)
PIN
Color
Name
Function
Application Information
RED
BAT+
Vehicle battery
Connect to vehicle battery +12V to
+24V.
Must be protected with the provided
7.5 amp slow blow fuse, or a similar
one already present in the vehicles
wiring.
BLACK
IGN
Ignition input
Connect to vehicle ignition switch.
Must be protected with a 1 amp fuse
WHITE/VIOLET
ANALOG1
Analogue input
WHITE/RED
ANALOG2
Analogue input
Maximum signal voltage = 38V.
Do not connect signals from
unsuppressed inductive sources
such as relay coils (where severe
voltage spikes can be generated)
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PIN
Color
Name
Function
Application Information
DARK GREEN
FREQ1
Frequency 1
Frequency Input
Maximum signal voltage level = 38V
BLUE/WHITE
FREQ2
Frequency 2
RED/BLUE
POSD3
Positive Drive
Load current must not exceed 250
mA
Output controlled by MiX 4000 and
selected in Vehicle Properties of
front end user software
BROWN/BLUE
POSD4
Positive Drive
Load current must not exceed 250
mA
Output controlled by MiX 4000 and
selected in Vehicle Properties of
front end user software
BROWN
GND
Ground
Connect directly to vehicle ground.
Do not tap into an existing ground
wire carrying high current.
10
RED/WHITE
CP-5VOUT
Code Plug 5V
Out
Can deliver nominal 100 mA
11
YELLOW
CAN1 P
CAN1 High
1st CAN Bus: Used to monitor
supported CAN bus
12
GREEN
CAN1 N
CAN1 Low
13
GRAY
K-LINE
K-Line serial
signal
Serial communication to DTCO
14
YELLOW/GREEN BUZZOUT
Buzzer Output
Provides warning sounds
15
YELLOW/BLACK
CAN2 P
CAN2 High
2nd CAN Bus: Used to monitor
supported CAN bus
16
GREEN/BLACK
CAN2 N
CAN2 Low
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4.4.3 Code Plug Harness CP2
Connector viewed from the back (wiring side) of harness (440FT0930)
Pin
Colour
(Prim/Sec)
Name
Function
White
CP Clock
Code Plug Clock
Red/White
CP 5V
Code Plug 5V
Green
CP Data
Code Plug Data
Red (Twisted with white)
LED
Code Plug LED
NC
Black/White
Application Information
Not connected
GND
Ground
4.4.4 Serial Harness SR1
Connector viewed from the back (wiring side) of harness (440FT0931)
Pin
Colour
(Prim/Sec)
Name
Function
Yellow
TXD
RS-232 Transmit
White
RXD
RS-232 Receive
Blue
RTS
Ready to send
Green
CTS
Clear to send
Red
POSD1
Positive Drive 1
Application
Information
Load current must
not exceed 1.5 A.
Suitable for driving
capacitive loads
such as Rovi
terminals.
Output controlled
by MiX 4000 and
selected in Vehicle
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Pin
Colour
(Prim/Sec)
Name
Function
Application
Information
Properties of front
end user software
Brown
GND
Ground
4.4.5 MiX 4000 Serial Harness 2 (use Serial Harness SR1)
Connector viewed from the back (wiring side) of harness (440FT0931)
Pin
Colour
(Prim/Sec)
Name
Function
Application
Information
Yellow
TXD
RS-232 Transmit
White
RXD
RS-232 Receive
Also
used
for
communication to
DTCO D8 line
Blue
RTS
Ready to send
RTS looped to CTS
Green
CTS
Clear to send
RTS looped to CTS
Red
POSD2
Positive Drive 2
Load current must
not exceed 0.25 A
Output controlled
by MiX 4000 and
selected in Vehicle
Properties of front
end user software
Brown
GND
Ground
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4.4.6 GSM, GNSS and BT Antennas
The GSM, GNSS and BT all have internal antennas. The GNSS has an external antenna option as well to
allow for cases where better reception is required. Thus, fitting the external antenna is optional. The system
detects automatically whether an external antenna is fitted or not. It can also detect tampering, like an
external antenna disconnect or a short. In the case where there is no external antenna or in the case of
tampering, the system will automatically switch to the internal antenna.
For deep installs with a lot of metal obstruction it is recommended to use the external antenna.
Refer to the picture in section 4.4 showing the positions of the connectors for the external antennas.
The Unit contains an internal GSM antenna and should be mounted more than 20cm away from the human
body under normal operating conditions.
4.4.7 GNSS antenna connection
For best results when the unit cannot be mounted with a good view of the sky, the external GNSS antenna
should be used. Mount the GNSS antenna horizontally where the least metal (or any conductive)
obstruction between the antenna and the satellites will occur. The top side of the antenna is the rounded
side. For best results place the antenna on a metal surface facing towards the sky (see picture
below). Mount as far away from any radio signal or wire bundles as possible.
a) Avoid pinching the coaxial cable or bending it sharply (zigzags).
b) It would be better to circle/coil excess wires. Take care not to tie coax wires too tight. Using the
broadest possible cable tie (refer to section 4.3).
c) The best place to circle/coil the wires is about 300 mm in line from the antenna.
4.4.8 GSM antenna (internal)
The standard product only has an internal GSM antenna.
4.5 Wiring and Connections
4.5.1 Positioning the MiX 4000 Unit in the vehicle
Note: Please follow the instructions, regarding the positioning of product components, as contained in the
“Safety” section, of this document, section 4.2.

The MiX 4000 must be installed inside the passenger compartment or the driver cabin, to
protect it from possible damage by water, solvents, fuel or other environmental factors.
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
The MiX 4000 should not be installed in or near the ventilation, heating system, or hot surfaces
which may cause it to overheat or be damaged by condensed water vapour.

The MiX 4000 should be installed in a position where it will not be subjected to pressure, impact
or excessive vibration. Uneven surfaces, where the box can be deformed or damaged should be
avoided.

Select the installation position carefully before proceeding with the installation.

Mark and drill the required holes.

Route cables from the unit to the appropriate senders within the vehicle. Additional information
can be found in the “Harness Installation” section of this document.
4.5.2 Starter Interrupt
The MiX 4000 requires an external relay for the interruption of the vehicle’s starter circuit. The relay required
should be adequately rated for the purpose intended. Please note that a 30A or 40A (contact rating) relay
should be selected. A standard 5 PIN automotive relay manufactured by a reputable supplier (e.g. Bosch)
would be adequate. The correct relay operating voltage is required; failure to do so may damage the relay.
24V relays will not function correctly in 12V applications and 12V relays will be damaged when used at 24V.
To connect the relay, it only needs to be plugged into the relay socket on the Main Harness. The two 2mm²
black wires represent the two sides of the relay contacts that are controlled via the driver ID Plug. Cut the
wires as short as possible, where higher current will be interrupted via the relay.
Also use a cable-tie to secure the relay through the mounting ear (5mm hole) to the main harness, or where
possible an M5 lock-nut and bolt is to be used to secure the relay to the vehicle. Ensure that the relay wires
have enough play on them not to strain the relay terminal crimps connecting the relay to the wires.
It is not necessary to use a relay with a build in protective diode, because the MiX 4000 has built in
protection already. Positive drive/relay outputs are protected against shorts to ground and battery positive
and the system can detect these faults. See simplified connection diagram below:
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4.6 Code Plug Socket Installation
Note: Please follow the instructions, regarding the positioning of product components, as contained in the
“Safety” section of this document 4.2.

The Code Plug Socket must be installed inside the passenger compartment or the driver cabin,
to protect it from possible damage by water or other environmental factors.

The Code Plug Socket should not be installed in or near the ventilation or heating systems,
which may cause damage to it due to overheating.

The Code Plug Socket should be installed in a position where it will not be subjected to
pressure, impact or excessive vibration.

Select the installation position carefully before proceeding with the installation.

Mark and drill or cut the required hole. Hole size = 13/16” or 20 mm

Remove the mounting clip from the socket.

Remove the protection film from the adhesive surface of the foam ring and press it firmly against
the back of the interface.

Insert the socket into the mounting hole and slide the mounting clip into position.
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4.7 Signal Inputs
4.7.1 Digital Inputs
The MiX 4000 is equipped with 2 digital/analog inputs (I1-I2), which can be used to monitor digital signals.
When the voltage threshold is crossed, an event is triggered. The voltage threshold and the hysteresis are
set in software. Please refer to the “Specifications” and “Harness Installation” sections, of this document, for
more details. The external inputs and ignition line are protected from typical vehicle transients and can be
directly connected to most vehicle inputs between 0 and 38V (37.95V). The input impedance is >200 kΩ.
Typical connections are shown below:
Note: There is no internal pull-up resistor in the MiX 4000 so observe the correct wiring configurations
shown below for switching to ground or switching to vehicle supply.
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4.7.2 Ignition Input
The MiX 4000 includes a dedicated ignition input that must be wired if the starter interrupt immobilizer
functionality is required. The input should be connected to the ignition signal on the vehicle. The MiX 4000
will automatically compensate for a 12 or 24V vehicle supply and no configuration is required. For a typical
connection, see below:
Note: If a minimal install is being performed and the vehicle’s ignition wire is not available the MiX 4000 can
use its internal accelerometer and GNSS measurements of the vehicle’s power supply to determine trip start
and stop conditions. If this configuration is required it is important to configure the unit correctly see 3.3
below. For improved trip start/end plotting accuracy on the MiX Telematics Fleet Manager user interface, it
is recommended that the wired ignition configuration be used.
4.8 Power Outputs
4.8.1 Positive Drive
The Positive Drive output supplies power to MiX 4000 accessories. There are in total 4 Positive Drives.

This output is controlled by the MiX 4000 and is configured in the Vehicle Properties of
the Fleet Manager Application software.

Access to these outputs is described in section 4.4.

Do NOT connect an external voltage to the positive drive line.
Positive drive 1 can drive at least 1.5A and is suitable for powering up capacitive loads such as a Rovi
terminal, while the remaining drives can manage 250 mA each. These circuits are protected against over
current and voltage. Should “Positive Drive 1” be occupied already and it is necessary to drive more
peripheral devices (e.g. Rovi, Mix Display, etc.) that draw more than 250 mA at any stage, it is advisable to
make use of an alternative relay to ensure reliable functionality.
Below is a functional block diagram that describes how to wire such a device.
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Please refer to the Starter Interrupt section 4.5 of this document, for more details.
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4.9 Serial Communication
The MiX 4000 is equipped with two RS232 external serial ports. Refer to section 4.4 for details of the wiring.
The serial ports can be used to connect to external peripherals.
Serial 1 does RTS/CTS flow control, and is paired with POSD1, so it is suitable for connection to Rovi
terminals and other devices that use more power. It is normally enabled, even when the vehicle is out of trip
Serials 2 does also have RTS/CTS flow control, and is paired with POSD2. It is suitable for general purpose
use, however, sometime after the vehicle is out of trip these ports may be disabled to reduce power
consumption. It is intended for general purpose use or as a D8 input for DTCO use. It is normally enabled,
even when the vehicle is out of trip
All serial ports are capable of up to 115200 baud operation.
4.10 CAN
4.10.1 Overview
Installation of MiX 4000 CAN-bus should only be carried out by trained installers:

Improper connection of the MiX 4000 to the vehicle’s CAN-bus may cause interference with the
vehicle’s normal operation.

The MiX 4000 is already loaded with compatible device drivers.

The unit still needs to be configured for the vehicle in which it will be installed, and the vehicle ID and
odometer still need to be configured. Specifically, the MiX 4000 may not record any CAN data until it
is configured.
After installation, verify that no interference is caused to the vehicle’s electrical system. Check dashboard
warning lights and error messages. Should any error conditions exist, remove the MiX 4000 installation and
contact MiX Telematics for assistance.

Colour coding of the wires are shown in section 4.4.2:
o CAN1 Interface wires are designated by a green and a yellow wire, connected to pins 9 and
10 on the Main Harness
o CAN2 Interface wires are designated by a green/black and a yellow/black wire, connected to
pins 16 and 15 on the AUX1 Harness.
o The convention is that the wire with the color closer to white in the spectrum (lighter color) is
CAN-H and the wire with the color closer to black in the color spectrum (darker color) is CANL.
o This means that the Green wire is CAN-L and the Yellow wire is CAN-H. The two wires should
always be twisted together and if they are not already twisted, they should be twisted together.

The MiX 4000 has a total of 4 Jumpers on the main PCB (SW3) to set the Read/Write or "Listen Only"
mode and the Terminating Resistor (120 Ohm) of each CAN interface (see Figure 1).
4.10.2 Tools and Inspection need for CAN Installation
Supporting tools

Multi-meter

Oscilloscope

Laptop with CAN to USB interface (for example Vector CANcaseXL, IXXAT)
Identify possible CAN busses by looking for twisted pair wires in the vehicle.
With the vehicle’s ignition turned on, measure the voltages relative to ground on each of the wires using a
multi-meter.
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For CAN, the voltage readings of the two wires should be very similar (usually 2.5V), with CAN-H likely to
read only slightly higher than CAN-L.
Using an oscilloscope, the actual data signal can be probed.
With a properly configured 3rd party CAN tool, like the Vector CANcaseXL, the actual data can be recorded.
CAN Baud rates of 250kb/s (SAE J1939) and 500kb/s are the most common.
4.10.3 Wire lengths
The CAN stub wires between the MiX 4000 and the vehicle’s bus should be no longer than 1m. Excessive
wire length may cause interference with the vehicle’s normal operation.
4.10.4 CAN jumper settings
Warning: It is very important to ensure that these jumper settings are correct at installation time. If these
jumpers are set incorrectly it is possible that when a new configuration or script is downloaded to the MiX
4000, it could bring down the CAN bus of the vehicle and interfere with the operation of the vehicle.
Conduct ESD precautions as described in section 3.1.4
Refer to Figure 1 and Table 1 below:
Figure 1 Position of jumpers on the PCB
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When all SW1 jumpers are inserted, both CAN1 and CAN2 interfaces
are set for:
- 120 Ω termination is under software control (i.e. the software can
switch the 120 Ω resistor in or out of the circuit)
Setting 1 (FACTORY
DEFAULT)
- RD/WR or "Listen Only" mode is under software control (i.e. the
software can transmit messages on the CAN bus)
All Jumpers inserted

120 Ω Termination under
software control

RD/WR or "Listen Only"
mode is under software
control
When all SW1 jumpers are removed, both CAN1 and CAN2 interfaces
are set for:
- 120 Ω termination is disabled (i.e the 120 Ω termination resistor is
removed from the circuit and cannot be switched in by software)
Setting 2
- "Listen Only" mode (i.e. the software cannot transmit any messages)
All jumpers removed

NOT Terminated (120 Ω)
"Listen Only" mode
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When SW1 jumpers 3-4 and 7-8 are inserted, both CAN1 and CAN2
interfaces are set for:
Setting 3
Jumpers 3-4 and 7-8 inserted


- 120 Ω termination is under software control (i.e. the software can
switch the 120 Ω resistor in or out of the circuit)
- "Listen Only" mode (i.e. the software cannot transmit any messages)
120 Ω Termination is
under software control
"Listen Only" mode
When SW1 jumpers 1-2 and 5-6 are inserted, both CAN1 and CAN2
interfaces are set for:
- RD/WR or "Listen Only" mode is under software control (i.e. the
software can transmit messages on the CAN bus)
Setting 4
- 120 Ω termination is disabled (the 120 Ω termination resistor is
removed from the circuit and cannot be switched in by software)
Jumpers 1-2 and 5-6 inserted


NOT Terminated (120 Ω)
RD/WR or "Listen Only"
mode is under software
control
Table 1 CAN Jumper settings
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4.10.5 When must the 120 Ohm terminating resistor be in the circuit?

A properly terminated CAN bus will have a DC resistance of approximately 60 Ω (one 120 Ω
terminating resistor at each end).

By measuring the DC resistance on the vehicle bus between CAN-H and CAN-L, before the MiX
4000 is connected, an installer can determine whether additional termination is required.

If the resistance measures 60 Ω, no further termination is required.

If it measures 120 Ω, then additional termination must be configured.

To configure additional termination the jumper must be fitted and the termination resistor enabled in
the software

See table below for a diagram of a CAN bus that is correctly terminated and how the 60 Ω is
calculated
DC Resistance
Calculation
Correctly terminated CAN bus with 120 Ω
resistors at both ends
Rtotal =
1/(1/R1+1/R2)
R1 = 120 Ω
and R2 = 120 Ω
Rtotal =
1/(1/120+1/120)
Rtotal = 60 Ω
Incorrectly terminating CAN bus
with 120 Ω resistors at both end
and a node that puts another 120
Ω resistor in circuit
If you measure less than 60 Ω
(e.g. 40 Ω), then it means the CAN
Bus is already incorrectly
terminated and loaded by another
120 Ω resistor (R3).
In this case DO NOT ATTEMPT to
connect to this CAN bus under
any circumstance and seek the
advice of the owner to determine
why the CAN bus is incorrectly
terminated.
Rtotal = 1/(1/R1+1/R2+1/R3)
R1 = 120 Ω and R2 = 120 Ω and R3
= 120 Ω
Rtotal = 1/(1/120+1/120+1/120) =
40 Ω
4.10.6 General Rules for CAN terminating resistors

A properly terminated CAN bus will have a DC resistance of approximately 60 Ω (one 120 Ω
terminating resistor at each end). By measuring the DC resistance on the vehicle bus between CANH and
CANL, before the MiX 4000 is connected, an installer can determine whether additional termination is
required. If the resistance measures 60 Ω, no further termination is required. If it measures 120 Ω, then
additional termination must be configured. To configure additional termination, the jumper must be fitted and
the termination resistor enabled in the software.

Typically, a bus showing 120Ω before installation will only have one node on it, and will not be safety
critical. Examples of this might be a DTCO bus or many of the OBDII connections.

A bus showing 40 Ω before installation may indicate triple termination which can cause CAN errors
and failure. If this is the case it is best to advise the customer and ensure this error is corrected by removing
the offending unit or termination before MiX 4000 installation.
25 | P a g e

For non-safety-critical CAN bus installations, it is recommended to leave the jumper fitted and
configure the termination resistor to OFF or ON in software, as needed, as this allows the maximum
flexibility.

For safety-critical CAN bus (e.g. so-called “hot bus”) installations where a hard disconnect must be
guaranteed and physical safety is needed, the 120Ω termination jumper must be removed. This will
guarantee that termination resistors cannot be accidentally enabled by software, potentially disrupting the
CAN bus. Note that permission from the customer to connect to a safety critical CAN bus should always be
obtained.

If the installer is in doubt as to the safety critical nature of the CAN bus, the jumper must be left off.

After installation of the MiX 4000 and configuration of the termination resistance the CAN bus should
measure as 60Ω, with the unit powered on, if not, the settings should be checked.

Note that the MiX 4000 terminating resistor automatically disconnects from the CAN bus if the MiX
4000 unit loses power.
4.10.7 When must the RD/WR Jumpers be in the circuit?






For non-safety-critical CAN bus installations, it is recommended to leave the transmit enable jumper
fitted and configure the transmit enable to OFF or ON in software, as needed, as this allows the
maximum flexibility.
For OBDII connections the RD/WR (transmit enable jumper) must be fitted, since OBDII is a
request/response protocol and requires the MiX 4000 to transmit messages on the CAN bus.
For safety-critical CAN bus (e.g. so-called “hot bus”) installations where guaranteed, physical safety
is needed, the transmit enable jumper must be removed. This will guarantee that transmissions
cannot be accidentally enabled by software, potentially disrupting the CAN bus.
Note that permission from the customer to connect to a safety critical CAN bus should always be
obtained.
If the installer is in doubt as to the safety critical nature of the CAN bus, the jumper must be left off.
Some FMS gateways requires an acknowledgement ("ACK") on the physical layer and the RD/WR
(transmit enable jumper) must be fitted for the CAN chip to be able to assert the "ACK" bit in the
header, otherwise the host will stop transmitting any CAN messages. (See diagram below). Note
that no messages are transmitted on the CAN bus, the messages are just acknowledging, so this is
a safe mode.
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4.11 DLD and DTCO
The MiX 4000 also satisfies the need for Remote DTCO Download functionality by incorporating CAN, D8
and K-line communication. The main functionality is the ability to remotely download DTCO data as well as
the D8 status change for the Hours of Service solution.
This functionality allows the user to perform the following:
•
Synchronise download schedules
•
Authenticate remote tachograph cards
•
Transfer downloaded files to back-office archiving systems
•
Receive updated firmware and configuration settings
4.11.1 D-8
The D8-line is a free running data interface for fleet management systems. The DTCO information (like
date, time, currently selected driver and co-driver activity (hours of service), speed of vehicle etc.) are sent
on this communication line. The receive line of Serial Port 2 is used for the D8-line. The pin numbers of the
serial port are shown in sections 4.4.5. Connect to pin 2 (of Serial Port 2 on MiX 4000 PCB) to pin 8 of the
brown DTCO D-connector.
4.11.2 Connect CAN to DTCO
Refer to section 4.10.1 on CAN. One of the available CAN busses (normally CAN #2) can be routed to the
DTCO CAN. The Yellow and Green wires must be routed to DTCO C (red) connector pin 5 (Yellow/black)
(CAN-H) and 7 (Green/black) (CAN-L). See pictures below.
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4.11.3 K-line
Connect the DTCO K-line to pin 13 of the Auxiliary 1 Harness (see sections Error! Reference source not
found.).
4.12 Bluetooth
The Bluetooth can be used as a serial cable replacement in order to connect to Rovi, Android Tablets or
other IVD devices.
5.
After Installation
5.1 Beep codes
The MiX 4000 has an output that drives a buzzer. The buzzer is not included inside the enclosure but is part
of the 10-wire main harness. If any of the other reduced wire count main harnesses are installed beep codes
will not be audible.
The following beep codes will apply when a harness with an external buzzer is installed:
•
Triple beep when an over speeding, harsh braking, harsh acceleration or harsh cornering event
occurs
•
Continuous slow beeping at trip start for the duration of the user configured driver ID prompt period
(When a valid driver ID is inserted two short beeps will sound and the slow prompt beeps will stop – Default
driver ID prompt period is set to zero seconds, disabling the driver ID prompt)
This setting is under Software Configuration control, so the behaviour will depend on the configuration
settings.
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5.2 LED flash codes
The MiX 4000 has 2 LEDs for diagnostic purposes. Refer to the Figure 2 below.
Figure 2 Picture indication the sequence and position of diagnostic LEDs
5.2.1 GPS LED flash codes (GREEN)
Out of trip (2 second repeat cycle, LED mostly OFF)
Out of trip with no GPS lock
2 second repeat
Out of trip with 2D GPS lock
2 second repeat
Out of trip with 3D GPS lock
2 second repeat
GREEN LED: One short ON
blip once every two seconds
GREEN LED: Two short ON
blips every two seconds
GREEN LED: Three short ON
blips every two seconds
In trip (1 second repeat cycle, LED mostly ON)
In trip with no GPS lock
Continuous
1 second repeat
GREEN LED: 50% ON and
50% toggling ON/OFF in quick
succession every second
1 second repeat
GREEN LED: Mostly ON
followed by two short OFF
blips every second
In trip with 2D GPS lock
In trip and GPS has acquired 3D lock. The
MiX 2310i will subsequently be able to report
accurate GPS points.
GREEN LED: Toggles
ON/OFF in quick succession
continuously
5.2.2 GSM LED flash codes (RED)
No communication settings received (LED mostly ON)
GSM OFF
RED LED: OFF
GSM ON, searching for network*
RED LED: Mostly ON with some
OFF time once every second
1 second repeat
SMS only
2 second repeat
RED LED: Almost completely
ON with one short OFF blip once
every two seconds
29 | P a g e
2 second repeat
RED LED: Almost completely
ON with three short OFF blips
once every two seconds
2 second repeat
RED LED: Almost completely
ON with two short OFF blips once
every two seconds
GPRS ready
GSM Connected
Communication settings received (LED mostly OFF)
GSM OFF
RED LED: OFF
GSM ON, searching for network
RED LED: Mostly OFF with
some ON time once every
second
1 second repeat
SMS only
2 second repeat
RED LED: Almost completely
OFF with one short ON blip once
every two seconds
2 second repeat
RED LED: Almost completely
OFF with three short ON blips
once every two seconds
2 second repeat
RED LED: Almost completely
OFF with two short ON blips
once every two seconds
GPRS ready
GSM Connected
5.3 Testing Installation
5.3.1 Test Drive
Disarm the system by inserting the blue plug into the Code Plug socket.
Wait for the audible signal.
Remove the plug.
Start the engine.
Carry out a test drive.
5.3.2 Closing Steps

Check all relevant vehicle functions.

Explain the functions of the MiX 4000 system to the user.
6. Troubleshooting
Supporting Documentation can be found at:
Confluence Link: MiX 4000 Home Page
The audible and visual information generated by the MiX 4000 is described are in sections 5.1 and 5.2 of
this document.
Symptom
Unit does not
switch ON (LED
does not flash)
Probable Cause
No battery voltage applied to
MiX 4000.
Action
Check the voltage supply to the MiX 4000
Ensure the connectors are properly fitted
Check fuse if applicable
30 | P a g e
GPS does not get
lock
Orientation of the unit is
incorrect
Mount the unit with the rounded surface
facing up, and the label side down.
Location of unit is limiting
good GPS reception (internal
antenna)
Install the unit in a location where the GPS
view of the sky is relatively unobstructed by
metal or conductive parts. Refer to section
4.4.7
Location of the GPS antenna
is limiting good GPS
reception (external antenna)
GSM unable to
register on
network
(see GSM LED
flash codes in
section 5.2)
No SIM card inserted or SIM
inserted the wrong way round
Automatic commissioning is
not possible on the GSM
network selected
GSM network is out of range
If this is not possible t may be necessary to
install the external GPS antenna
Check the installation of the external GPS
antenna and ensure that the antenna is
facing towards the satellites view of the sky
is relatively unobstructed by metal or
conductive parts
Refer to section 3.1 for the correct SIM card
orientation. Alternatively replace the SIM
card
Use a serial configuration harness and the
Configuration software to manually program
APN and server settings for the unit
Check coverage of chosen GSM network
using coverage map or a cell phone on the
same network
If the MiX 4000 fails to detect a MiX
approved GSM antenna it will switch to
internal antenna operation.
7. Routine Maintenance
Item Maintenance
1) Please ensure that the Code Plug Socket is kept clean and free of dust and dirt.
This part is available as an accessory if it needs to be replaced.
2) The internal battery needs to be replaced when a replacement message is
generated. Replace the battery if it is swollen.
Period
Monthly
Back End
Warning
Message
8. MiX 4000 Specifications
8.1 Technical description
Refer to the MiX 4000 Product Fact Sheet for more details.
31 | P a g e
8.2 Auxiliary inputs/outputs
2 x Configurable
Analogue or Digital
Inputs
(I1 to I2)
2 analogue or digital inputs can be configured to monitor any device that
generates a change in voltage. E.g. seat belts, headlights, refrigeration units,
temperature sensors, emergency lights, doors, PTO, UDS, trailer coupling
etc.
Voltages are measured in the range of 0 – 38V (37.95V) in steps of
approximately 9.3 mV and 0 - 4.95 V in steps of 1.2 mV
Do not connect signals from unsuppressed inductive sources such relay
coils (where severe voltage spikes can be generated)
1 x Speed Input
F1 input can measure speed pulses. The input impedance is 100 kΩ.
Frequencies of up to 20 kHz can be measured.
Maximum signal voltage level = 38V (37.95V)
Disconnection of this input can be detected using open-wire detect.
1 x RPM Input
F2 input can measure RPM pulses. The input impedance is 94 kΩ.
Speed and RPM calibration sensitivity is configurable.
Frequencies up to 20 kHz can be measured.
Maximum signal voltage level = 38V (37.95V)
Disconnection of this input can be detected using open-wire detect.
4 x RS232 Serial
Interface
This can be connected to any RS232 serial device.
2 x CAN Interface
This can be connected to a J1939 CAN bus, termination resistors and
transmit disable can be configured by jumpers (for safety-critical installs) or
by settings.
1 x Positive Drive
Positive Drive output is used to power external devices at a current up to
1500 mA. Disconnection of loads can be detected using open-load detect.
3 x Positive Drive
Positive Drive outputs are used to power external devices at currents up to
250 mA. Disconnection of loads can be detected using open-load detect.
1 x K-line
DTCO K-line
1 x D8
The D8-line is a free running data interface for fleet management systems.
The DTCO information (like date, time, currently selected driver and codriver activity (hours of service), speed of vehicle etc.) is sent on this
communication line. The receive line of Serial Port 2 is used for the D8-line.
Ignition input
The ignition input is used only to monitor the vehicle’s ignition line state, and
can measure up to 38V (37.95V). Disconnection of this wire can be
detected with open-wire detect.
32 | P a g e
8.3 Inserting a Backup Battery
A special space below the PCB is provided to fit the backup battery. The backup battery is ordered
separately. It comes with a piece of foam fitted on the one side. This foam ensures that the battery fits tight
and does not rattle. Refer to the steps below for fitting the battery:
1) Remove the back cover
2) Make use of a folded piece of paper between the foam and the enclosure and insert the battery by sliding
it in.
3) Fully insert the battery (it is important not damage the wire connection below the orange foil).
33 | P a g e
4) Insert the battery connector into the socket on the PCB. Note that it is a keyed connector. Ensure the
battery connector is fully inserted.
5) Remove the paper by pulling it out while pressing gently against the battery.
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6) Fold the battery wire lead in the open space to the right of the battery.
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