ELTEC CYBOX RT 2-A User manual

Revision: 1.0 | Date: 09.07.2021
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CYBOX RT 2-A
WIRELESS AUTOMOTIVE ROUTER
INSTALLATION MANUAL

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LIST OF CHANGES
ISSUE
CHANGE DESCRIPTION
DATE
1.0
Initial version
2021-07-09

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DISCLAIMER
Copyright
© 2021 ELTEC Elektronik AG. The information, data, and figures in this document including respective
references have been verified and found to be legitimate. In particular in the event of error they may,
therefore, be changed at any time without prior notice. The complete risk inherent in the utilization of this
document or in the results of its utilization shall be with the user; to this end, ELTEC Elektronik AG shall not
accept any liability. Regardless of the applicability of respective copyrights, no portion of this document
shall be copied, forwarded or stored in a data reception system or entered into such systems without the
express prior written consent of ELTEC Elektronik AG, regardless of how such acts are performed and what
system is used (electronic, mechanic, photocopying, recording, etc.). All product and company names are
registered trademarks of the respective companies.
Our General Business, Delivery, Offer, and Payment Terms and Conditions shall otherwise apply.
SAFETY INFORMATION
Electrical safety
WARNING
The device can be operated with voltages up to 32 V DC.
Incorrect handling risks causing a fatal electrical shock.
Before connecting the power supply, connect the device to protective earth.
General advice
•Only qualified personnel is allowed to install, operate and maintain the devices.
•Please take safety precautions against electrostatic discharge (ESD).
•Access to the devices may only be granted to qualified personnel.
•To prevent the risk of electric shock, turn off the external power supply and remove the power
supply cable from the electrical outlet before handling or disassembling the system.
•When adding or removing devices to or from the system, ensure that the power cables for the
devices are unplugged before the signal cables are connected.
•Make sure that your power supply is set to the correct voltage in your area. If you are not sure about
the voltage of the electrical outlet you are using, contact your local power company.
•If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or
your retailer.

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Operation safety
WARNING
The device can become very hot during operation (> 80 ° C).
Make sure it is protected from accidental contact.
The device must be installed so that it is not accessible to children.
To prevent burns, switch off the device and allow to cool down for half an hour
before disassembling or working on it.
•Before installing the device and connecting cables to it, carefully read the related manuals.
•Before using the device, make sure all cables are correctly connected and the power cables are not
damaged. If you detect any damage, contact your dealer immediately.
•Avoid dust, humidity, and temperature extremes. Do not place the product in any area where it may
become wet.
•Place the product on a stable surface.
•If you encounter technical problems with the product, contact a qualified service technician or your
retailer.
Radio Frequency Exposure Statement
At least 20 cm separation distance between the antenna and the user’s body must be maintained at all
times.
RECYCLING
Please recycle packaging environmentally friendly:
Packaging materials are recyclable. Please do not dispose packaging into domestic waste but
recycle it.
Please recycle old or redundant devices environmentally friendly:
Old devices contain valuable recyclable materials that should be reutilized. Therefore please
dispose old devices at collection points which are suitable.
EU DECLARATION OF CONFORMITY
ELTEC Elektronik AG herewith declares that the device is compliant to the basic
requirements of the directive 2014/53/EU. The full text of the EU declaration of
conformity is available in the Download Center at www.eltec.com.

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CONTACT
ELTEC Elektronik AG
Galileo-Galilei-Straße 11
55129 Mainz
Germany
Fon [phone]
Fax [phone]
Email [email protected]
www www.eltec.com

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CONTENTS
1ABOUT THIS DOCUMENT 1
2OVERVIEW 2
2.1 Product 2
3HARDWARE 3
3.1 Device Connectors 3
3.1.1 Power Supply Connectors 3
3.1.2 Ethernet Interfaces 3
3.1.3 CAN Interfaces 4
3.1.4 Antenna Connectors 4
3.2 Power Supply 5
3.2.1 Power Input 5
3.3 Front and Back Panel Distribution 5
3.3.1 Front Panel Service Cover 5
3.3.2 Back Panel Distribution 6
3.3.3 Assignment Front Panel Labelling –Software 6
3.4 LED Indicators 7
3.4.1 Power LED Status 7
3.4.2 Status LED 7
3.4.3 Module LEDs 7
3.4.4 LAN LEDs (100 M | 1000 M) Status 7
3.5 Reset Switch 8
3.6 SIM Cards 8
4MOUNTING 9
4.1 Connecting an Earthing Cable 10
4.2 Electrical Connection 10

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LIST OF TABLES
Table 1 Pin Assignment of Power Supply Connector (PWR) 3
Table 2 Pin Assignment of RJ45 Ethernet Connectors (LAN 1..5) 3
Table 3 Pin Assignment of CAN Connectors 4
Table 4 Front Panel Service Cover 5
Table 5 Back Panel Description 6
Table 6 Power LED Status 7
Table 7 Status LED 7
Table 8 Module LEDs 7
Table 9 LAN LEDs Status 7
Table 10 Reset Switch Behavior 8

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LIST OF FIGURES
Figure 1 Picture of CyBox RT 2-A Front 2
Figure 2 Picture of CyBox RT 2-A Back 2
Figure 3 Front Panel Overview 5
Figure 4 Back Panel Overview 6
Figure 5 SIM Slot Assignment per Modem 8
Figure 6 Dimensions of the Housing 9
Figure 7 Earth Cable Mounting on Earth Stud 10

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1ABOUT THIS DOCUMENT
This installation manual is intended only for system developers and integrators; it is not intended for end
users.
It describes the hardware functions of the product, connection of peripheral devices and integration into
a system. Additional information on special applications and the configuration of the product is available
in a separate configuration manual which can be downloaded from the Download Center at
www.eltec.com.

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2OVERVIEW
2.1 PRODUCT
This installation manual comprises all information to set-up the following product.
Figure 1 Picture of CyBox RT 2-A Front
Figure 2 Picture of CyBox RT 2-A Back

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3HARDWARE
3.1 DEVICE CONNECTORS
3.1.1 POWER SUPPLY CONNECTORS
The electrical power can be supplied to the device using the MSTB 2.5/ 3 GFpower connector, labeled PWR.
Table 1 shows the pin assignment of the power supply connector.
PIN
SIGNAL NAME
DESCRIPTION
1
+VIN
Supply voltage, positive terminal
2
-VIN
Supply voltage, negative terminal
3
Ignition
Ignition (power on) signal
Table 1 Pin Assignment of Power Supply Connector (PWR)
3.1.2 ETHERNET INTERFACES
The LAN ports of the CyBox RT 2-A are utilizing RJ45 connectors with the pin assignment as shown in Table
2 below. Mating connectors are available from several manufacturers.
PIN
SIGNAL NAME
DESCRIPTION
1
D1+
First data line plus
2
D1-
First data line minus
3
D2+
Second data line plus
4
D3+
Third data line plus
5
D3-
Third data line minus
6
D2-
Second data line minus
7
D4+
Fourth data line plus
8
D4-
Fourth data line minus
Table 2 Pin Assignment of RJ45 Ethernet Connectors (LAN 1..5)

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3.1.3 CAN INTERFACES
The CAN interfaces of the CyBox RT 2-A are utilizing D-Sub 9 connectors. Two CAN connectors are available
(in and out) to connect one CAN device only. Both CAN connectors provide the same CAN signals so that a
CAN-typical bus topology connection can be realized. The pin assignment is shown in Table 3 below.
Mating connectors are available from several manufacturers.
PIN
SIGNAL NAME
DESCRIPTION
1
NC
Not connected
2
CAN–
Data –
3
GND
Signal ground
4
NC
Not connected
5
NC
Not connected
6
NC
Not connected
7
CAN+
Data +
8
NC
Not connected
9
NC
Not connected
Table 3 Pin Assignment of CAN Connectors
3.1.4 ANTENNA CONNECTORS
The FAKRA antenna connectors are located at the backside of the device. All connectors are labeled for
each radio interface and GNSS.
When connecting an antenna to the FAKRA connector, make sure that you hear a ‘click’ sound confirming
proper mounting. To remove an antenna, the upper middle part of the connector has to be gently pushed
down with one finger and pulled away from the panel as illustrated below.
FAKRA CONNECTORS

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3.2 POWER SUPPLY
3.2.1 POWER INPUT
The CyBox RT 2-A can be powered by a DC power source connected to the internal power supply and I/O
connector, shown in Table 1 . The nominal input voltage can vary between 12 V and 24 VDC.
3.3 FRONT AND BACK PANEL DISTRIBUTION
3.3.1 FRONT PANEL SERVICE COVER
The CyBox RT 2-A is equipped with a USB 2.0 Type A service port and 4 SIM slots, which are located behind
the service cover as shown in Figure 3 and described in Table 4. The USB port can be used to attach a
memory device to update the firmware or to configure the device. The service cover is secured with 2 torx
screws.
Note: The USB port is a dedicated maintenance port. It is not designed to be used while the
device is in operation inside rolling stock equipment.
The figure below provides an overview of the front panel.
Figure 3 Front Panel Overview
LABEL
PORT
DESCRIPTION
LTE 1
SIM 1 / SIM 2
2 SIM slots for LTE module 1 are available. SIM slot 1
is the lower one, SIM slot 2 is the upper one as
indicated on the front panel.
LTE 2
SIM 1 / SIM 2
2 SIM slots for LTE module 2 are available. SIM slot 1
is the lower one, SIM slot 2 is the upper one as
indicated on the front panel.
USB
USB 2.0
Type A jack (female)
Table 4 Front Panel Service Cover

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3.3.2 BACK PANEL DISTRIBUTION
The figure below provides an overview of the back panel.
Figure 4 Back Panel Overview
CONNECTOR
FUNCTION
DESCRIPTION
Earthing Bolt
Shield
The earthing bolt can be found on the lower left side
of the front panel
PWR
System power
See Table 1 for pin assignment
LAN 1-5
1 Gb Ethernet
Triple speed Gigabit Ethernet ports
LTE 1-2
Antenna connectors
Fakra antenna connectors
WLAN 1-2
Antenna connectors
Fakra antenna connectors
GNSS
Antenna connector
Fakra antenna connector
CAN
CAN interface
1 x Min-D 9 pos. female, 1 x Min-D 9 pos. male
Table 5 Back Panel Description
3.3.3 ASSIGNMENT FRONT PANEL LABELLING –SOFTWARE
•The ports and LEDs “LAN 1” to “LAN 5” correspond respectively to the interfaces “eth0” to “eth4”
•The LEDs “WLAN 1” / “WLAN 2” and “LTE 1” / “LTE 2” refer to WLAN and LTE modules
•WLAN modules are called “radio” within the software
•LTE modules are called “modem” within the software
•The purpose of the antennas depends on the modules inserted in your CyBox model

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3.4 LED INDICATORS
The LEDs on the front panel of CyBox RT 2-A provide quick indication of the device status.
3.4.1 POWER LED STATUS
LED COLOR
STATE
DESCRIPTION
Green
On
Device is receiving correct input power
Green
Off
Device is not powered
Table 6 Power LED Status
3.4.2 STATUS LED
LED COLOR
STATE
DESCRIPTION
Red
On
Error detected
Green
On
Normal operation
Green
Off
U-Boot and self testing executed
Green
Blinking
Resetting to factory settings
Red/Green
Blinking
Executing emergency system
Table 7 Status LED
3.4.3 MODULE LEDS
LABEL
LED COLOR
DESCRIPTION
WLAN 1
Green
On when WLAN Module 1 is configured
WLAN 2
Green
On when WLAN Module 2 is configured
CAN
Green
On when CAN is configured
Error
Red
On when CAN error occurred
LTE 1
Green
On when LTE Module 1 is configured
LTE 2
Green
On when LTE Module 2 is configured
Table 8 Module LEDs
3.4.4 LAN LEDS (100 M | 1000 M) STATUS
1 GBIT (GREEN)
LINK/ACT (YELLOW)
DESCRIPTION
On
On
1 Gbit Link established
Off
Off
No Link
On
Off
10/100 Mbit Link established
Blink
Off
10/100 Mbit Link established and active
Blink
On
1 Gbit Link established and active
Table 9 LAN LEDs Status

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3.5 RESET SWITCH
The CyBox RT 2-A is equipped with a hidden reset switch behind the front panel, which is located beside
the service cover. The button is accessible with a straightened paper clip pushed through the little hole on
the front panel. The effect of pressing the reset switch depends on the duration of its activation, as
indicated in Table 10 below. The time response is valid only if the device has completly booted (after
approx. 1 min). While the device is booting or executing U-Boot, pushing the button will always reset the
device.
The following table describes the functions of the reset switch.
HOLD TIME
FAIL LED BEHAVIOR
ACTION
< 2 seconds
Off
Reset after release
2-5 seconds
Off
No action
> 5 seconds
Green blinking
Remove custom configuration then reset
Table 10 Reset Switch Behavior
3.6 SIM CARDS
The CyBox RT 2-A provides 2 SIM slots per LTE modem. Only one slot per modem can be active at any time.
To install SIM cards the service cover has tobe removed usinga suitable torx 10 screwdriver. After installing
the SIM cards the service cover must be closed and the screws tightened to a maximum torque of 0.55 Nm.
The indexing of SIM slots is software dependent and can be selected via an SNMP command or using the
web interface.
Note: Switching between SIM slots takes about 30 seconds, slot 1 being preselected at power up.
If you plan to use only one SIM card for a given LTE modem it is advisable to use slot 1 to
avoid slot switching delay during booting.
The drawing in Figure 5 shows the SIM slot assignment per modem.
Figure 5 SIM Slot Assignment per Modem
Important: Do not change the SIM cards when the device is powered.

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4MOUNTING
When mounting the CyBox RT 2-A please take the following aspects into account.
•Do not install the device close to any sources of heat such as radiators or heat registers.
•Keep the device away from any liquids and avoid exposure to dripping or splashing. The protection
class of the housing is IP40.
•Keep a free space of at least 150 mm around the housing to ensure adequate heat dissipation
capabilities.
•For optimal heat dissipation the connectors should face down.
•The housing provides four mounting cutouts to install the device in horizontal or vertical orientation
on a flat and stable surface.
•For fixation use M6 screws of sufficient length with additional M6 washers.
The drawing in Figure 6 shows the outer dimensions of the housing including the position of the mounting
cutouts.
Figure 6 Dimensions of the Housing

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4.1 CONNECTING AN EARTHING CABLE
A M6 earthing stud on the front panel of the device (also refer to Figure 3) for protective earth connection
is essential for the device security. Carry out the following steps to connect an earthing cable.
•Use an earthing cable with a cross-section of at least 2.5 mm² and a wire end sleeve with eyelet
suitable for a 6 mm threaded bolt.
•Mount the earth cable as shown in Figure 7.
•Fasten the cable by tightening the nut to the required torque (recommended according to EN60947-
1 are 3 Nm).
Figure 7 Earth Cable Mounting on Earth Stud
4.2 ELECTRICAL CONNECTION
1. Make sure the device is properly grounded.
2. Establish a connection to the network by plugging an RJ45 patch cable to one of the front panel
RJ45 connectors.
3. Connect the desired number of antennas to the device. Each radio/modem can use up to three
antennas for maximal performance. LTE modules are intended to be connected to two antennas
and an additional GNSS antenna connector.
4. In case of using a local power supply the appropriate wiring (see Table 1 ) must be established to
connect the power line to the device.
5. Make sure that the voltage of the power supply conforms to the voltage on the type plate.
6. Ensure that the power supply is grounded correctly and that the power cable is intact and
undamaged. Do not switch on the system if there are damages on the power cable or plug.
7. Use power cables which are approved for the power supply in your country.
8. The device itself has no on/off switch, it starts as soon as it is supplied with power.