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UniMod LTE
Modem
User Manual E101006219063
Baer Energie- & Messtechnik GmbH
Siemensstr. 3
D-90766 Fürth
Germany
Phone : +49 911 970590
Fax: +49 911 9705950
Internet: www.baer-gmbh.com
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UniMod LTE
COPYRIGHT
Copyright © 2019 Baer Energie- & Messtechnik GmbH.
All rights, including those originating from translation, (re)-printing and copying of this document
or parts thereof are reserved. No part of this manual may be copied or distributed by electronic,
mechanic, photographic or indeed any other means without prior written consent of
Baer Energie- & Messtechnik GmbH. All names of products or companies contained in this
document may be trademarks or trade names of their respective owners.
Note
Based on its policies, Baer Energie- & Messtechnik GmbH develops and improves
their products on an ongoing basis. In consequence, Baer Energie- & Messtechnik
GmbH preserve the right to modify and improve the software product described in this document. Specifications and other information contained in this document can change without prior
notice. This document does not cover all functions in all possible detail or variations that may be
encountered during installation, maintenance and usage of the software.
Under no circumstances whatsoever will Baer Energie- & Messtechnik GmbH accept any liability for mistakes in this document or for any sub sequential damage arising from
installation or usage of the software.
Baer Energie- & Messtechnik GmbH preserves the right to modify or withdraw this
document at any time without prior announcement.
Baer Energie- & Messtechnik GmbH does not accept any responsibility or liability
for the installation, usage, maintenance or support of third party products.
Printed in Germany
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UniMod LTE
Table of Contents
Page
1 General ............................................................................................................................. 5
1.1 Requirements ........................................................................................................... 5
2 Safety Precautions for the User ...................................................................................... 6
3 Power Supply Unit ........................................................................................................... 7
4 Interfaces.......................................................................................................................... 8
5 Installation Hints ............................................................................................................ 10
6 Display ............................................................................................................................ 11
7 Programming the Modem .............................................................................................. 12
7.1 Parameterization Options ....................................................................................... 13
7.2 Parity Error (7E1) .................................................................................................... 17
8 Additional Functions ..................................................................................................... 18
8.1 Temporary Baud Rate Switching ............................................................................ 18
8.2 Cyclic Reset............................................................................................................ 19
8.3 Password Protection ............................................................................................... 19
8.4 SIM-Card ................................................................................................................ 19
8.5 More PLMNs in Radio Network ............................................................................... 20
8.6 Client Mode (IPT-Bridge) ................................................................ ........................ 21
8.7 Server Mode (Static IP Address)............................................................................. 22
8.8 Test output ............................................................................................................. 23
8.9 TLS Encryption ....................................................................................................... 23
8.10 Firmware Update (Option) ................................ ...................................................... 24
9 Technical Data ................................................................ ............................................... 26
10 Inserting the Interface Modules .................................................................................... 28
11 Terminal Block ............................................................................................................... 29
12 Dimensions .................................................................................................................... 30
13 EU Declaration of Conformity ....................................................................................... 31
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UniMod LTE
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UniMod LTE
1 General
The world-wide radio networks provide besides digital voice communication
the possibility to transmit data. Data SIM-Cards for M2M applications (machine-to-machine) are optimally designed for professional data use. The
universal radio modem UniMod LTE is supposed for remote inquiry of
measurement data of any kind, especially however for telecounting applications. Optionally, a fault or status message can be queried or a switching
command can be sent.
The UniMod LTE supports the following modes:
Client mode for meter data communication according to DIN 43863-4
(IP-Telemetry), optionally with encryption (TLS version 1.2)
Server mode with static IP address and VPN access
1.1 Requirements
The UniMod LTE can be used in LTE (Long Term Evolution / 4G: fourth
generation) network with an arbitrary number of providers. It requires however the infrastructure for operating mobile. An existing LTE infrastructure
with corresponding frequency ranges is one of the basic requirements. If
LTE coverage is missing, the radio modem automatically switches to UMTS
(3G) or GPRS (2G) (fallback technology). The modem supports an interface for Micro-SIM-Cards. For communication is the provision of a SIMCard with data tariff needed.
For the UniMod LTE communication modules produced by internationally
renowned companies are used. These companies update their software
packages regularly and add or change features. The software releases are
continuously checked by the development department, but no responsibility
for this software releases can be taken over except of warranty granted by
the module producer.
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UniMod LTE
The owner of the UniMod LTE is responsible that all persons engaged on
work with the device:
• Are competent and qualified in accordance with national regulations
(see ISSA "Guideline for Assessing the Competence of Electrically
Skilled Persons").
• Have read and understood the relevant sections of the user manual.
• Strictly observe the safety regulations (according to the following sec-
tion) and the instructions in the individual chapters.
2 Safety Precautions for the User
The UniMod LTE is an electronic device and must not be used for other
purposes!
Personnel
When connecting the device to the mains supply, the general safety guidelines have to be observed: serious violations of human are possible. When
performing maintenance there is a risk that the energy supply mill be
switched on: you may first need to interrupt power supply.
Devices which have fallen down should not be installed, even if no damage
is apparent, and should be returned for testing to an authorised service
centre (internal damage possible).
Devices must never be cleaned with running water or high pressure devices. Water can cause short-circuits or damage electrical components.
Environments with explosive substances
Users are reminded of the necessity to comply with restrictions regarding
the use of radio devices in fuel depots, chemicals plants and locations
where explosives are ignited.
Non-ionising radiation
As is the case with other mobile radio transmitters, operating personnel are
advised to use the device in the normal operating position only in order to
ensure optimum performance and safety. Avoid touching the antenna.
Connecting to other devices
In order to connect the UniMod LTE to another device please read the de-
vices operation manual to obtain detailed information about safety. Don’t
connect devices, which are not approved by manufacturer.
Precautions in the event of loss/theft of the cellular engine and
the SIM-Card
If your UniMod LTE, your SIM-Card or both go missing, notify your network
operator immediately in order to avoid misuse.
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UniMod LTE
3 Power Supply Unit
The UniMod LTE is equipped with a built-in, low-loss switched power supply, which enables it to operate on a wide-range AC or DC supply voltage.
85VAC to 265VAC (50/60Hz) or 60VDC to 375VDC
use an external protection fuse, e.g. circuit breakers B6A
alternative (with additional board): 10VDC to 36VDC (0,8A)
Attention: NEVER remove the interface modules or the SIM-Card when the de-
vice is powered! The card and especially it’s contact pads can be
damaged very easily by scratches or bending. Be careful when inserting or removing it.
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UniMod LTE
4 Interfaces
Communication is possible with many standard protocols, like DLMS,
IEC1107 / IEC62056-21, IEC60870, M-Bus, Modbus, SCTM, LSV1 (transparent reading).
The UniMod LTE has an internal (on-board) RS485 (2 wires) interface;
Using the UniModSet program the user can determine the functionality of
the RS485 interface (2-wires or deactivated). If required, an internal 120
Ohm terminating resistor can be connected with the jumper "X14".
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UniMod LTE
20mA (CS, current loop) active (for 4 devices max.) or passive;
if the 20mA interface is active it must be operated either with a load or its
terminals must be short-cut.
RS232 (RxD, TxD, CTS, RTS, GND);
RS485 (2 wires);
RS485 (4 wires);
M-Bus active (for max. 20 devices);
In the UniMod LTE modem an additional slot is available for another interface module. For this slot the following module types are available (installation: see page 28):
Please note: All interfaces are internally connected with each other. Therefore all
attached devices receive the same data from the interface. It must be
ensured that never two or more devices send data at the same time.
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UniMod LTE
1) When the holder is closed, you
must first slide the holder downwards in the arrow’s direction
(OPEN).
2) After release you can open the lid
and insert the Micro-SIM-Card as
shown in the picture. Please note
the position of the bevelled edge: it
must point at the upper-left side.
The golden contact pads have to
point downwards.
3) Now move the holder against the
arrow’s direction (LOCK) until it
clicks into place and the lid is
locked. The SIM-Card is now ready
to use.
4) After that connect the antenna to the UniMod LTE using the SMA plug.
At last (important!) connect it to the supplying power.
5 Installation Hints
The installation must be done in a way, that even in the case of cable break
no dangerous voltages are applied to touchable parts of the device including the antenna. This can be accomplished e.g. by using cable ties and appropriate shortening of the cables.
For installation insert the Micro-SIM-Card correctly and tighten it by using
the holder of the card reader:
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UniMod LTE
UniMod LTE
Description
GSM
- LED is permanently off: power down mode (or the Telit module is defective)
- LED flashes regularly: 500 ms on / 500 ms off if the modem is not yet
logged in to the radio network: no SIM-Card inserted or no PIN entered, or
network search in progress, or ongoing user authentication, or network
login in progress
- LED is 2,7 second on / 0,3 second off: the mobile is logged to the network
Indication of the radio signal strength: 25% / 50% / 75% / 100%
All four LEDs flash regularly: no or faulty SIM-Card inserted
2G
The modem is logged in GPRS network
3G
The modem is logged in UMTS network
4G
The modem is logged in LTE network
TLS
TLS encryption is enabled (only possible in client mode)
IPT
Client mode (with IPT-Bridge):
- LED flashes during the registration at the IPT-Bridge
- LED lights if the logon to the IPT-Bridge has been successfully completed
Server mode (static IP address):
- LED lights when a connection to the client is established
Rx
LED lights, when data is transferred from target device (e.g. meter) to modem
Tx
LED lights, when data is transferred from modem to target device (e.g. meter)
INF
Information
PWR
Power signals, that the modem is supplied with power
6 Display
A series of LEDs indicate the current operating status of the modem and give
information about the data transfer:
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Data rate
9600 Bit/sec (if not differently mentioned)
Data format
7E1: 7 data bits, even parity , 1 stop bit (if not differently mentioned)
Handshake
Without
Behaviour of the LEDs during the switch-on process:
After switching on, all LEDs light up for a few seconds, after which the
GSM-LED flashes
SIM error: no SIM-Card inserted or a faulty SIM-Card: all four field
strengths LEDs flash several times
After a correct registration in the radio network the GSM-LED is on and
goes out every 3 seconds briefly for 300ms
APN error: no logon to APN possible (wrong or no access point in the
parameterisation): the three network LEDs (2G and 3G and 4G) flash
simultaneously
After correct login to APN: one of the power LEDs (2G or 3G or 4G)
lights continuously
Client mode: during login at the IPT-Bridge the IPT-LED flashes
Client mode: after a correct login at the IPT-Bridge, the IPT-LED lights
continuously
Client mode: when TLS encryption is active, the TLS-LED lights up con-
tinuously
IPT error: in case of a login error, the IPT-LED flashes continuously
7 Programming the Modem
Before installing the modem it has to be programmed in order to meet the
demands. The baud rate and data format for connecting the target device
(e.g. meter) and the transmission mode (server or client) including IP addresses on the radio network must be adjusted. On delivery the following
default parameters are active:
This configuration allows for reading standard meters according to VDEW2
(IEC1107 / IEC62056-21). Alternative possibilities:
8N1 for DLMS or Modbus RTU
8R1 for M-Bus
If you want to change this parameters, you need a PC with terminal software UniModSet. To establish connection between PC and modem you
have to use:
A) the parameterization adapter with USB port (#12823)
B) the parameterization adapter with RS232 port
C) the converter (converter box or ConvBox) to adapt the interfaces
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A)
The parameterization adapter
with USB port (Micro-USB Type A
or B), which can be plugged instead of an interface module. This
adapter can be ordered as accessory (Order No.: #12823).
7.1 Parameterization Options
Description of the connection options:
First connect the adapter with the USB port at the PC and wait for confirmation: both LEDs flash shortly. Then wait until the USB port is configured correctly (message: Install device driver software).
Note: Older versions of Windows (Windows XP / Server 2003) may require man-
ual installation of a Windows driver:
Name: VCP Drivers for Virtual COM Port
Manufacturer: FTDI Chip
Internet (download): www.ftdichip.com
A serial COM interface is emulated which can be used to communicate with
the UniMod LTE using a query or parameterization program.
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UniMod LTE
The new COM-Port can be find in the device manager (control panel): USB
Serial Port (COM…). This COM can then be used in UniModSet.
Now you have to select the new COM interface in the parameterization
software UniModSet:
After programming switch off the UniMod LTE, remove the parameterization adapter and insert the interface module carefully again (only permit-
ted in de-energized condition).
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UniMod LTE
B)
The parameterization adapter with RS232
port, which can be plugged instead of an
interface module.
This adapter is no more available.
Slide the switch to the left position
"GSM", as shown in the picture.
Insert the 7 pole plug of the parameterization adapter instead of the interface
module. The notch must point in direction
to the top.
First disconnect the modem from the supply (important!) and remove the
interface module.
Then connect the 25 pole plug (RS232) to the PC port. At last (important!)
connect it to the supplying power.
The UniMod LTE can now be programmed with the software UniModSet.
After programming switch off the UniMod LTE, remove the parameteriza-
tion adapter and insert the interface module carefully again (only permit-
ted in de-energized condition).
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Example: Programming UniMod LTE
Insert the Micro-SIM-Card
Establish connection to the PC (e.g. using the parameterization adapter)
Switch on UniMod LTE and wait some seconds: till the modem logins in
the 2G or 3G or 4G radio network
Start the UniModSet software
Read the equipment configuration:
Adjust the parameter
Hint: Mind to set the functionality of the internal RS485 interface correctly!
Write the configuration; after that the modem automatically carries out a re-
set
Enable or disable the PIN via SIM-Card button
Check the signal quality, the device time (NTP or internal clock, UTC: Uni-
versal Time Coordinated) and cell information:
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7.2 Parity Error (7E1)
Depending on certain circumstances (software configuration, hardware
configuration of the PC, connection of the modem to the PC, operating system,...) the communication software of your application might issue a message like: wrong parity. In the most cases a switch of the UniMod LTE data
format from "7E1" to "8N1" is able to bring fast and easy help. Using this
configuration data retrieval from most meters is possible in the format "7E1"
and "8N1".
If there are any further questions we are happy to help you.
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Baud rate
Data format
x = 0: 300 Baud
1: 600 Baud
2: 1200 Baud
3: 2400 Baud
4: 4800 Baud
5: 9600 Baud
6: 19200 Baud
7: 38400 Baud
y = 0: 7E1
1: 8E1
2: 8N1
8 Additional Functions
With the program UniModSet a UniMod LTE can be parameterized locally
or remotely (Remote Control).
8.1 Temporary Baud Rate Switching
The baud rate of the electrical interface can be switched while a request is
running, without the necessity to disconnect the connection. This allows to
read meter with different baud rates (2400, 9600) and/or data formats (7E1,
8N1 or 8E1).
The command for switching is: {[%]}=x,y*
The first number (x) defines the baud rate, the second one (y) the data
format. The modem switches after the * character is recognized without
acknowledgement. These parameters are possible:
Example: {[%]}=5,0* := 9600 Baud, 7E1
{[%]}=3,1* := 2400 Baud, 8E1
After hang-up (change to OFFLINE state) the saved (old) baud rate and
data format is restored.
► The character sequence {[%]} has been chosen because it is quite ex-
otic and should never appear in regular communication to meters.
Note: For correct working set the data format as a standard setting for the Uni-
Mod LTE to 8N1. This allows data to be transmitted over the radio link with
8N1 and then temporarily adapted at the modem output.
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UniMod LTE
8.2 Cyclic Reset
Optionally the time-controlled modem-reset can be activated. With this
turned on the modem (Telit-Module) is regularly deactivated by the internal
firmware. After the reset it logs on to the radio network again. Activating is
recommended when the field strength of the used radio network is very low.
This functionality can be enabled using the UniModSet program.
8.3 Password Protection
It is also possible to activate the password for remote programming (Re-
mote Control). Default password is modem1. Please note that passwords
are case-sensitive.
8.4 SIM-Card
The internal CPU can optionally send the SIM PIN to the modem. This is
useful when using a SIM-Card which demands the PIN to be entered after
power failure. The operator must ensure that the correct PIN number of the
SIM-Card is entered. If the PIN number is incorrect, the SIM-Card is
blocked after three PIN entries. Unlocking is then only possible with the super PIN in an external device (e.g. mobile phone / mobile phone).
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8.5 More PLMNs in Radio Network
Several radio network operators can be specified simultaneously, from
which the UniMod LTE then automatically activates the correct settings using the PLMN-Code (PLMN: Public Land Mobile Network) after logging on
to the radio network. Thus it is possible to pre-program the modem for different SIM-Cards:
When the field “PLMN-Code” is empty, the UniMod LTE uses the first available mobile network.
After clicking the “More PLMNs” button, further mobile networks can be en-
tered:
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After clicking the question mark a help window will be activated. In this
menu you find the correct PLMN-Code for many mobile service providers:
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UniMod LTE
8.6 Client Mode (IPT-Bridge)
Client mode: the UniMod LTE logs on to the IPT-Bridge (server). Registra-
tion at the IPT-Bridge (DIN 43863-4) takes place in two steps.
First, the settings for the radio network provider are specified:
Note: Depending on the SIM-Card used, the information "User name" and "Pass-
word" are not absolutely necessary.
Then the logon parameters for the IPT-Bridge are set: host server (remote
computer which runs the IPT-Bridge) incl. user name and password for establishing the connection.
In addition, a dynamic pause for logging on to the radio network (1, 4, 16,
64 minutes to 24 hours pause in case of error) can be activated.
If the optional TLS encryption is activated, the modem needs a valid NTP
time via an NTP time server (to process the corresponding certificates correctly).
When you press this button a manually modem reset can be activated. With
this turned on the modem is deactivated by the internal firmware. After the
reset it login to the radio network again.
Note: During the OFFLINE-Communication between UniModSet and UniMod LTE
the baud rate changes. After a reset the parameterised baud rate is active
again.
Display of the baud rate during communication with UniMod LTE.
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8.7 Server Mode (Static IP Address)
The modem also supports server mode with a static IP address. An appro-
priate SIM-Card including Internet access is required for this. The clients
(external applications) establish a TCP connection to the modem (via VPN
access to the radio network provider).
Settings for server mode (the UniMod LTE works as server for the external
applications) with network TCP-Port on which the modem will listen in this
mode (default port is 1234):
Settings for firewall (network security system that controls incoming network traffic):
Examples: Firewall IP = 0.0.0.0 and network mask = 0.0.0.0: invalid firewall, connec-
tion to all IP addresses is possible (accept all);
Firewall IP = 192.168.1.1 and network mask = 255.255.255.255: only con-
nection to the IP address 192.168.1.1 is possible;
Firewall IP = 192.168.1.0 and network mask = 255.255.255.0: connection
to the IP addresses 192.168.1.0 to 255 is possible;
Firewall IP = 255.255.255.255 behaves identically as IP = 0.0.0.0
Automatic monitoring of the connection: the UniMod LTE terminates the
TCP connection after a fix timeout (default: 10 minutes). For deactivation
this function set the value to 0 minutes.
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8.8 Test output
From firmware version #7/403, additional test outputs can be displayed in
the terminal (network registration) via the module interface.
Note: activate for correct display:
Note: use only for testing, deactivate please this function after the tests!
8.9 TLS Encryption
TLS encryption is only possible in the client mode with IPT-Bridge.
UniMod LTE supports TLS encryption version 1.2.
By clicking the corresponding buttons, the valid certificates and the private
client key can be copied to the modem.
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8.10 Firmware Update (Option)
Optionally, a firmware update can be performed. The update can be per-
formed locally (e.g. via RS232/RS485) or via radio (LTE/UMTS/GPRS).
Local: When doing a firmware update via the local interface it is advisable to re-
move or disable the SIM-Card in the modem.
Radio: When doing a firmware update remotely via radio connection the data for-
mat must be set to 8N1 (set option “Read”, see picture below):
Note: For TCP/IP connections (server mode) via Internet, the IP address and
TCP port can be specified instead of the telephone number, e.g.:
IP10.0.127.22:1234
Click on the button “Connect”: link to the remote modem (waiting time a
few seconds, depending upon the network connection).
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After clicking button “Firmware Update” the current parameter setting is
read from remote modem. Then the file containing the desired firmware
can be selected (e.g. from hard disk).
The next step is a confirmation prompt. After OK the firmware will be updated.
.
The process is visualized with the aid of a progress display:
Duration of transmission (depending on the set baud rate):
Local := ca. 60 seconds (38400 baud)
ca. 240 seconds (9600 baud)
TCP/IP (Internet) := ca. 30-60 seconds (depending on Internet speed)
On success the following message appears
After that the modem will perform a reset and boot the uploaded firmware.
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Housing:
Wall-mounted housing according to DIN 43861-2
Degree of protection:
IP52 (IEC)
Dimensions:
W = 105mm,
H = 179mm
D = 72mm
Protection class:
2
RoHS compliant:
yes
Supply voltage:
85VAC to 265VAC (50/60Hz) or 60VDC to 375VDC
Optional: 10VDC to 36VDC (0,8A)
Power consumption:
4 VA max.
(depends upon supply voltage, kind of interface module
and operating status of transmission unit)
Temperature range:
-40°C to +75°C (operational)
-40°C to +85°C (storage temperature)
Interfaces:
One internal interface (on-board):
- RS485 2 wires
Optionally one extra interface by pluggable module:
- RS232 (supports signals RxD, TxD, RTS, CTS, GND)
- CS (20mA, current loop) active (can supply 4 meter max.) or passive
- RS485 2 wires
- RS485 4 wires
- M-Bus active: can supply 20 devices max.
Display:
14 LEDs: GSM, 4 radio signal strength, 2G, 3G, 4G, TLS, IPT, Rx,
Tx, INF and power
Radio unit:
Telit 910-EU V2 module with SIM-Card interface
Fully type approved conforming with R&TTE / GCF directive
CE
SIM-Card:
Micro-SIM (3FF, Mini-UICC), 3V, 15mm 12mm
Approval:
RED (Radio Equipment Directive) – 2014/53/EU
Radio bands:
LTE / 4G: B1(2100MHz), B3(1800MHz), B7(2600MHz),
B8(900MHz), B20(800MHz)
UMTS / 3G: B2(2100MHz), B8(900MHz)
GPRS / 2G: B3(1800MHz), B8(900MHz)
Transmission rate UniMod LTE to connected
meter:
300 to 38400 bit/sec (fixed baud rate)
Data format:
7E1, 8N1, 8E1
Output power:
LTE / 4G: Class 3 (0,2W, 23 dBm)
UMTS / 3G: Class 3 (0,25W, 23 dBm)
GPRS / 2G: Class 4 (2W) für GSM 900
Class 1 (1W) für DCS 1800
Antenna jack:
50 SMA (modem: f / antenna: m)
9 Technical Data
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UniMod LTE
Extent of delivery:
- UniMod LTE including interface module as ordered
- Standard antenna: magnetic foot antenna with SMA (m),
cable: 3m RG174
- Operation manual
Accessories:
- Parameterization adapter with USB port (#12823)
- Antenna for special purposes
- Additional interface modules
- Suspension eye (#9141)
- Software UniModSet
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10 Inserting the Interface Modules
When inserting the interface modules their component side must be at the
left side and wired according the picture. In the following sketch the components are at the left side.
UniMod LTE
Interface modules
RS232 20mA active 20mA pas. RS485 M-Bus active M-Bus pas.
28
- Pin used, connected
- Pin used, not connected
- Pin not used
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UniMod LTE
Terminal
Voltage
1
+10VDC to +36VDC
2
0VDC (GND)
11 Terminal Block
Optional power supply (12VDC / 24VDC):
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Option
(#9141)
12 Dimensions
Wall-mounted housing according to DIN 43861-2
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Name, function
Signature
13 EU Declaration of Conformity
The manufacturer: Baer Energie- & Messtechnik GmbH
Siemensstr. 3
90766 Fürth
Germany
declares under his sole responsibility that the following product:
Radio equipment: UniMod LTE (Industrial modem LTE/UMTS/GPRS)
Type: Wall-mounted housing with terminals (DIN 43861-2)
complies with the following EU directives:
2014/53/EU Radio Equipment Directive (RED)
2011/65/EU Hazardous Substances
and conforms to the following harmonized standards:
Reference number Date of issue
EN 55022 2011 Radio Disturbance Characteristics
EN 55024 2016 Immunity Characteristics
EN 301489-1 2017 Electromagnetic Compatibility (EMC)
EN 301511 2017 R&TTE
EN 50581 2013/2015 RoHS 2 (Hazardous Substances)
Fürth, 09.01.2019
Dipl.-Ing. Richard Machnik, Product Manager
......................................................................
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Subject to change without notice!
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