2TEST TETRA DVI-100 User manual

DVI-100
User Guide
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Content
Content.........................................................................................................................................................................2
1Introduction ....................................................................................................................................................... 3
1.1 Overview ......................................................................................................................................................... 3
1.2 Safety Precautions .......................................................................................................................................... 3
1.3 Disclaimer.......................................................................................................................................................3
1.4 General description ........................................................................................................................................ 4
1.5 Application scenarios ..................................................................................................................................... 4
1.5.1 Back to Back Operation ............................................................................................................................4
1.5.2 Connected to the iPhone or a Computer....................................................................................................5
1.5.3 Connected by IP directly to a TETRA switch........................................................................................... 6
1.5.4 TETRA MircoSPOT with DVI-100 in DMO mode.................................................................................. 7
2Access the embedded Web server .................................................................................................................... 8
3Register the DVI-100 to the TETRA Network.............................................................................................. 9
3.1 Basic TETRAparameters.............................................................................................................................. 9
3.2 TMO mode parameters ................................................................................................................................. 10
3.3 Configure the available TETRA groups........................................................................................................ 11
4General Setup .................................................................................................................................................. 13
4.1 Read general DVI-100 information and change the designation ................................................................. 13
4.2 Adjust the internal clock ............................................................................................................................... 14
4.3 Change the DVI-100 network setting............................................................................................................ 15
4.4 Change the web servers passwords .............................................................................................................. 15
4.5 The Eventlogger............................................................................................................................................ 16
5DVI-100: Client mode ..................................................................................................................................... 17
5.1 Activation of the client mode......................................................................................................................... 17
5.2 Configure the connection parameters........................................................................................................... 18
5.3 View the connection status............................................................................................................................ 18
6DVI-100: Server mode .................................................................................................................................... 19
6.1 Activation of the server mode ....................................................................................................................... 19
6.2 Manage the client list.................................................................................................................................... 20
6.3 View the connection status............................................................................................................................ 21
7DVI-100 Firmware update procedure ........................................................................................................... 22
7.1 Preparation and setup .................................................................................................................................. 22
7.2 Update procedure ......................................................................................................................................... 22
7.3 Connecting the DVI-100 ............................................................................................................................... 23
7.4 Update using the Windows command line client .......................................................................................... 23

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1Introduction
1.1 Overview
This document contains information about installation, settings, and operation of
the DVI-100 TETRA Radio Modem. This includes practical guidance relating to
antenna selection and installation, operating range, extension modules, software
support, etc.
1.2 Safety Precautions
This equipment transmits radio waves in the frequency range 380 to 470 MHz or -800
MHz. Under certain circumstances, these radio waves could be harmful to any living
being or electronic equipment near it. Care should be taken to ensure that the radio and
antenna systems are installed and commissioned only by trained persons.
This radio equipment should not be used in life support systems or in safety systems
without our prior written permission.
1.3 Disclaimer
We have carefully checked the contents of this document, and the hardware and
software described in it, for compatibility. We cannot however exclude possibilities of
deviations and cannot guarantee complete conformity of the document with the
equipment it describes. If any corrections or improvements are to be made, they will be
taken into consideration in the next edition of this document.
Important instructions are marked by the expressions "Important", "Note" or
“Caution!”. These should be carefully observed.

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1.4 General description
The DVI-100 (Digital Voice Interface) will be attached to a TETRA Network in the
same way as a normal TETRA hand portable, and it can be a Member of up to 25
talkgroups. When it receives a voice call, rather than decoding the digitally coded
ACELP data stream into analogue audio and feeding it to the Loudspeaker, it is sent as
a digital (UDP) data stream to its IP port. Connecting two DVI-100s back-to-back with
each device connected to a different TETRA network (which could be different
infrastructure manufacturer, different frequency bands or geographically separated),
allows the networks to be “interconnected” based on group calls, status messages, and
short data messages. As the voice data stream is not converted back into an analogue
signal at any time, the voice quality has the same brilliant quality as received with a
TETRA hand portable.
The DVI-100 can be used in each of the three following described scenarios.
1.5 Application scenarios
1.5.1 Back to Back Operation
With two DVI-100’s logged into different TETRA networks and by connecting them
via Back-to-Back IP, an easy ISI for voice and SDS transmission can be implemented.

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1.5.2 Connected to the iPhone or a Computer
Using the DVI with IP, the voice data can easily be sent to, or received by, a remote
application, potentially running on any type of device. This allows the voice call to be
bridged between the TETRA infrastructure and another device. An iPhone application is
available, as well as Java based software for Mac or Windows Computers. This
application can be useful, if a user needs to talk or just listen to a group within a
TETRA network, even when they are out of coverage of the TETRA network.

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1.5.3 Connected by IP directly to a TETRA switch
The PTX Protocol developed by the University of Dortmund and Piciorgros GmbH is
license free and can be implemented to an interface device (PC) or directly into a
TETRA switch. So an Inter System Interface (ISI) for voice and data based on groups
can easy be implemented.

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1.5.4 TETRA MircoSPOT with DVI-100 in DMO mode
This configuration can be used to create a local TETRA access point (MicoSPOT)
which operates in DMO mode. The DVI-100 in DMO mode is connected by an IP
connection to another DVI-100 in server mode, which is attached to a TETRA network.
All TETRA terminals in DMO mode and in range of the DVI-100 MicroSPOT can
access the configured group(s) of the trunked TETRA network by using voice, SDS and
status communication.
Sample applications for the MicoSPOT can be improving inhouse coverage or covering
white spots inside a TETRA network. By using a reliable mobile IP link (3G or LTE)
mobile forces can use the TETRA network even in uncovered areas.

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2Access the embedded Web server
The whole configuration is done by accessing the internal web server of the DVI-100
and changing certain parameters using the user-friendly interface. The first to do is to
integrate the device into the local network. The network is supposed to use addresses of
the type 192.168.0.xxx.
The DVI-100 itself is available at the address 192.168.0.199. It must be sure that the
network has the right range of addresses and there is no other device with this address
connected to the network.
Accessing the interface the first time, a username and a password are required. The
login is registered to the name 'user' and the password 'user'. The password can be
changed as one of the following steps.
In registered state the user can see a menu on the left hand side, a content window on
the right and a footer containing selected information on the bottom.

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3Register the DVI-100 to the TETRA Network
In factory default state there is no information available for the device to enter the
TETRA network. This is why the TETRA parameters have to be configured before the
device is able to register on the network.
3.1 Basic TETRA parameters
The TETRA parameters configuration can be accessed in "TETRA >> Parameters"
First, the operation mode must be selected between TMO mode and DMO mode. The
TMO mode (trunked mode) is used when the DVI-100 should be attached to an existing
TETRA infrastructure while the DMO mode (direct mode) should be used to create a
local MicroSPOT in areas without TETRA coverage.
In both modes, the basic parameters are the ISSI, the MCC and the MNC. The MCC
and MNC must match the corresponding values of the TETRA infrastructure (TMO
mode) or the TETRA terminals which needs to communicate with the DVI-100 (DMO
mode). The ISSI must be a unique subscriber number which must be configured in the
TETRA infrastructure in TMO mode.

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3.2 TMO mode parameters
If the TMO mode is configured, at least one scan range for the lookup of base stations
of the TETRA network must be configured. Here, the value of the first (lowest) scan
frequency must be inserted. Alternatively if no frequency information is available, a
TETRA “Channel” can be selected at “Select input” and the number of the first channel
can be inserted in combination with the networks offset value. The range of scanned
channels can be varied up to a maximum value of 400.
To apply the changes the button “Apply” has to be pushed. Following a button appears
underneath to restart the device. After the restart the device reprograms the internal
TETRA modem with the new parameters. This can be seen when the numbered LEDs in
the RF display are toggled from the right to the left.
Next the modem starts to log in the network. The RF display runs from the right to the
left again. This means that it is essential to observe the LED movement at least twice
before the device is registered in the network using the new parameters.
When registered the RF display shows the field strength of the device. Otherwise it
starts consecutive tries to access the network.

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3.3 Configure the available TETRA groups
The DVI-100 manages up to 25 TETRA groups. Each group must be configured in the
infrastructure. The DVI-100 can register to these groups and they have to be
programmed at “TETRA >> Group configuration”.
To configure the "selected" group, the corresponding number must be written to the
upper input field. All other groups are "scanned".
In DMO mode, each group includes also a frequency input field. As there will be no
scanned groups in DMO mode, only the selected group is active in this case, using the
configured frequency. A change between DMO groups (and frequencies) can be
achieved by changing the selected group of the DVI-100.
Group X name
This is the name of the group. It is an additional information which is transmitted to the
clients to display group names. It has no effect to the TETRA network.
GSSI
The Group Short Subscriber Identity (GSSI) is the identifier of the TETRA group.
DMO Frequency (DMO mode only)
This field is only visible in DMO mode and defines the frequency on which the DVI-
100 is operating for any given groups. In DMO mode, there are no scanned groups and
the DVI-100 will only operate on the selected group. With changing the selected group,
also the frequency will be changed according to the configuration of this page.

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Enabled
Only enabled groups are registered towards the TETRA network. This feature can be
used to temporarily prevent a group from being registered in the TETRA network
without removing it completely from the DVI-100 configuration.
Group mode
Scanned groups are participants of the communication. The selected group is the main
talkgroup for a TETRA subscriber.
If no defined call destination is given to the DVI-100 by a connected client, any
outgoing calls are made to the selected group by default. In addition to the selected
group, voice calls, SDS and status messages of all scanned groups will be received by
the DVI-100 in TMO mode.
In DMO mode, there are no scanned groups – and only the selected group will be the
one and only group calls and messages can be received from.

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4General Setup
4.1 Read general DVI-100 information and change the designation
To get general information about the device on hand the menu item “Device >>
Common” can be selected. The delivered data contains detailed information about the
device and version numbers.
The field “Type designation” represents the designation of the DVI. This text can be
used in messages to identify the device.

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4.2 Adjust the internal clock
The internal clock can be adjusted manually at “Device >> Internal clock”. Here the
date can be entered as “dd/mm/yyyy” and the time information as “hh/mm/ss”. To apply
the inserted time, the user has to set the option “Set clock” to “Yes” and press the
“Apply” button.
Optionally the DST control can be switched off is needed.
As soon as a valid IP address is inserted for the SNTP server, the DVI connects the
server to fetch time information on its own. Furthermore the interval of connecting the
SNTP server and the offset of the local time in relation to the delivered time can be
adjusted.
The DVI can be used as timeserver for TETRA devices. Therefore the SSI of the target
group or individual Piciorgros device has to be entered as “Destination SSI” at the
timeserver section. The interval defines how often the time information is sent.

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4.3 Change the DVI-100 network setting
The menu item “Ethernet >> Network” links to the configuration page for the Ethernet
interface.
Here the IP address of the DVI-100 as well as the netmask and the gateway information
can be defined. It is recommended to change the Ethernet parameters according to the
needs of the installation.
The configuration has to be saved by pressing the Apply button. Afterwards the device
has to be restarted. This can be done remotely by using the appearing orange bar which
contains the restart button. For the next login the target IP address in the browser must
be adjusted.
4.4 Change the web servers passwords
The own password can be changed at „Service >> Manage passwords“. To validate a
new password, the code must be entered in both designated fields.
The password becomes valid immediately. To reset it to the default it can either be
changed back manually or the Reset-to-Factory-Default operation resets the whole
setting of the DVI including the passwords.

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4.5 The Eventlogger
The eventlogger stores information about the behaviour of the DVI-100. Special events
are able to trigger messages which allow the user to detect e.g. configuration problems.
The logger can be accessed at „Service >> eventlogger“.

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5DVI-100: Client mode
5.1 Activation of the client mode
To define the DVI-100 device to work as client, the configuration site at “DVI >>
General configuration” contains the relevant settings.
The option “DVI-100 mode” is the main selection and has to be set to “Client”.
Own DV IP Port
Sending and listening port at the Ethernet interface of the DVI-100 (Default is port
3141).
Default Call SSI
Messages received on the Ethernet interface which have no explicit target information
are directed to this target in the TETRA network. This is, by default, the current
selected group. The destination can be also any individual device. In a back-to-back
configuration this is also the target where all calls and messages will go to.
Alive message interval
The client cyclically sends an alive-message to the server via the Ethernet interface. The
time span of this interval can be defined in the range of 5 to 99 seconds. If the server
does not respond, the client tries periodically to reconnect to the DVI server.
Monitoring
The monitoring functionality needs to have an IP address and port information. While
operating the DVI spreads all incoming voice and message data also to the configured
monitoring target in the Ethernet network.

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5.2 Configure the connection parameters
Each client can be identified with the combination of username and password. At the
site “DVI >> Client configuration” these information can be edited for the device in
hand.
Regarding the following screenshot the users’ information (username and password)
can be configured in the upper two fields.
The username / PIN combination must be configured in the DVI-100 server to
authenticate the clients. Without a matching username / PIN combination, the server
will not accept any connection attempts from a client.
To make the client familiar with the responsible communication server, this data has to
be inserted in the next fields. The “Server IP address” must be programmed as the IP
address of the servers Ethernet port. Similarly the number of the port has to equal the
listening port of the server.
5.3 View the connection status
To get the information about the current connection status to the server, the user can
select the menu item “DVI >> Status information”.

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6DVI-100: Server mode
6.1 Activation of the server mode
To define the DVI-100 device to work as server, the configuration site at “DVI >>
General configuration” contains the relevant settings.
The option “DVI-100 mode” is the main selection and has to be set to “Server”.
Own DV IP Port
Sending and listening port at the Ethernet interface of the DVI-100 (Default is port
3141).
Default Call SSI
Messages received on the Ethernet interface which have no explicit target information
are directed to this target in the TETRA network. This is, by default, the current
selected group. The destination can be also any individual device. In a back-to-back
configuration this is also the target where all calls and messages will go to.
Alive message interval
The server cyclically sends an alive-message to each client via the Ethernet interface.
The time span of this interval can be defined in the range of 5 to 99 seconds. If a client
does not respond, the server will tag this client as "disconnected".
Monitoring
The monitoring functionality needs to have an IP address and port information. While
operating the DVI spreads all incoming voice and message data also to the configured
monitoring target in the Ethernet network.

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6.2 Manage the client list
As soon as the DVI-100 is installed to work as server, the device has to be programmed
with the account information of the potential clients. The site “DVI >> Server
configuration” offers a list consisting of ten input collections for the client data.
Username
The username is the name of the client which is transmitted during the registration
process.
PIN
The PIN is the four digit long security number which is transmitted during the
registration process.
Supervisor
A client who is configured as supervisor is able to change the "selected" TETRA group
of the server DVI.
Infrastructure
A client who is confirmed as infrastructure will not be served with information
messages from the server. These messages include client or group status information as
this data is mainly used to display this information on the GUI of a client.