iRZ ruh2b User manual

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Contents
1. Introduction.......................................................................................................................................4
1.1. Document description..............................................................................................................4
1.2. Instructions packet overview....................................................................................................4
1.3. Terms and abbreviations.........................................................................................................5
2. Device information............................................................................................................................6
2.1. Purpose ..................................................................................................................................6
2.2. Communications standards.....................................................................................................6
2.3. Hardware specifications ..........................................................................................................6
2.4. Compliance with the standards................................................................................................7
2.5. Physical Characteristics ..........................................................................................................8
2.6. Storage and operating conditions ............................................................................................8
2.7. Electrical characteristics..........................................................................................................8
2.8. GSM/3G Device Specifications................................................................................................9
2.9. Safety rules.............................................................................................................................9
2.10. Device functional diagram.....................................................................................................9
3. Appearance and interfaces.............................................................................................................11
3.1. Appearance...........................................................................................................................11
3.1.1. Connectors and external elements.................................................................................11
3.1.2. Routers indicators..........................................................................................................13
3.1.3. Decoding device label....................................................................................................14
3.2. Interfaces..............................................................................................................................15
3.2.1. Power supply.................................................................................................................15
3.2.2. Serial port (COM-port, DB-9 connector) .........................................................................16
3.2.3. Ethernet interface..........................................................................................................17
3.2.4. USB interface................................................................................................................18
3.2.5. SMA antenna connector, GSM/3G-antenna ...................................................................18
4. Preparing for operation ..................................................................................................................20
4.1. Connecting a SIM card..........................................................................................................20
4.2. Device access.......................................................................................................................22
4.2.1. Web interface access.....................................................................................................23
4.2.2. Internet connection via 3G/GSM channel.......................................................................24
4.3. Return to the factory settings.................................................................................................24
4.4. Device installation.................................................................................................................25
4.5. Software functionality............................................................................................................28
5. Contacts and Support.....................................................................................................................31

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List of Tables
Table 2.1. Key features.................................................................................................................................... 6
Table 2.2. Standards....................................................................................................................................... 7
Table 2.3. Physical Characteristics.................................................................................................................. 8
Table 2.4. Operating frequency bands of GSM/3G-module of the router........................................................... 9
Table 3.1. Router indicators explanation........................................................................................................ 13
Table 3.2. Purpose of connectors.................................................................................................................. 15
Table 3.3. Purpose of interface connectors pins............................................................................................. 16
Table 3.4. Purpose of Ethernet connectors pins............................................................................................. 17
Table 3.5. Purpose of the universal connector pins........................................................................................ 18
Table 3.6. Signal level gradation.................................................................................................................... 19
Table 4.1. Router functionality description...................................................................................................... 28
List of Figures
Fig. 2.1. Functional diagram of RUH2b router................................................................................................ 10
Fig. 3.1. Viewfrom the SIM card side............................................................................................................. 11
Fig. 3.2. View from the antenna connector side.............................................................................................. 12
Fig. 3.3. View from the top (router indicators)................................................................................................. 12
Fig. 3.4. Product label.................................................................................................................................... 14
Fig. 3.5. Power supply connector................................................................................................................... 15
Fig. 3.6. Interface connector.......................................................................................................................... 16
Fig. 3.7. Ethernet connector........................................................................................................................... 17
Fig. 3.8. USB connector................................................................................................................................. 18
Fig. 3.9. SMA connector and antennas.......................................................................................................... 19
Fig. 4.1. Device operation diagram ................................................................................................................ 22
Fig. 4.2. Installation plan................................................................................................................................ 25

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1. Introduction
1.1. Document description
This document is part of the “iRZ Router Instructions Package” and contains explanatory information only
about the technical specifications of iRZ router and some examples of the settings. For more information please
see section 1.2.
Document version Issue date
1.12 11.12.2013
Prepared by D.S. Afanasiev, V.N. Golovin Approved by D.S. Pavlov
1.2. Instructions packet overview
For comprehensive operating information, please read the full set of iRZ router documentation. The full
documentation package is available in the "Support" section of the website www.irz.net.

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1.3. Terms and abbreviations
Router - iRZ RUH2b Router;
3G – a general description of a set standards describing the work in UMTS and GSM networks: GPRS,
EDGE, HSPA;
Server – this term can be used to mean:
a server part of a software package used in a computing complex;
roles of a component or an object in a structurally functional technical solution diagram being deployed
using the router;
a computer providing certain services (network services, data processing and storage, etc.);
Technical solution – an idea or a document describing a set of technical measures and/or activities to
perform a specific task that requires functionality of components used in this solution, which are interconnected
and interacting in a certain way;
External IP address – an Internet IP address assigned by an internet connection provider to customers for
use on their equipment to ensure the possibility of a direct communication with customers’ equipment via the
Internet;
Static external IP address – an external IP address, which may not change in any circumstances
(changing a customer's equipment type, etc. ) or events (reconnection to a network service provider, etc.); the
only possibility to change a static IP address is by sending an application to the service provider;
Authentication – a procedure for authentication of a user/customer/node by comparing their details with
the respective details of this user name/login in the database at the time of the connection;
Router web-interface router – a management tool built into the Router that provides a possibility to control
and customize its functions, and to monitor the status of these functions;
Remote device (remote site) – a device, geographically remote from a particular place, or object/node.

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2. Device information
2.1. Purpose
A router is a multidisciplinary radio-technical subscriber device that works in cellular GSM/UMTS networks.
Router allows solving challenges of data transfer, reception, protection, and computer network support.
2.2. Communications standards
HSPA (speed: data transfer - up to 5.76 Mbps, reception - up to 7.2 Mbps);
EDGE;
GPRS;
USSD;
SMS;
Wi-Fi (optional, by using an external adapter).
2.3. Hardware specifications
Table 2.1: Key features
Type Feature
Processor ARM920T
Dynamic RAM 64 MB
Flash memory capacity 8 MB + possibility to expand to up to 2 GB
Ethernet connector 10/100Mbit, 100BASE-TX, MDI
COM connector RS232 (TX, RX, GND); RS485
USB connector USB 1.1

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2.4. Compliance with the standards
Table 2.2: Standards
Standard Description
Ethernet (IEEE 802.x)*
The hardware that provides the router operation in Ethernet computer networks, designed
in accordance with the recommendations of the international standard IEEE 802.
RS232 / RS485 (EIA-232 / EIA-485)*
The interface used in routers to transfer user data designed in accordance with the
standard RS232 / RS485 recommended by the International Association of the Electronics
Industry - EIA.
USB*
Universal Serial Bus interface (the current version - USB 1.1) designed primarily to connect
a USB drive to the router. This allows to increase the volume of serviceinformation
registered by the router during operation (the system log, Status and log àSystem Log ).
It can also be used to enhance the router functionality by connecting to the USB port
adapters USB-Ethernet, and USB-COM.
* radio-technical implementation of the Ethernet interfaces, RS232 / RS485 and USB was implemented on the basis of Atmel micro
controller (series 9200)

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2.5. Physical Characteristics
Table 2.3: Physical Characteristics
Type Feature
Body dimensions (without connectors) maximum 154x76x30 mm. (LxWxH)
Product dimensions (with the connectors) maximum 167x76x30 mm. (LxWxH)
Product weight maximum 210 grams
Working temperature range from -30°C to +65°C
Storage temperature range from -40°C to +85°C
Allowable humidity the relative humidity should not exceed 80%, and the
temperature should not exceed 25°C for the device to
operate as designed.
2.6. Storage and operating conditions
The device should be stored in a dry, humidity-proof place. A risk of the influence of static voltage
(lightning, static electricity) must be eliminated.
The tamper-protection class corresponds to IP20 GOST 14254-96.
Allowable vibration:
The device can retain its mechanical properties under mechanical loads of the 15 level of hardness for
sinusoidal vibration as per GOST 30631-99; the vibration frequency of 80 Hz should not be exceeded for the
equipment operating in motion, installed on tractors, track machines and on water transport (speed boats,
hydrofoil boats, etc.), and on technological equipment and ground transport.
Vibration insulation elements are not available.
2.7. Electrical characteristics
Power supply specifications:
power supply voltage from 8 to 30 V (DC);
maximum current consumption:
at the power voltage +12 V - 800mA;
at the power voltage +24 V - 400mA.
The maximum operating voltage is 35 V (DC)

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2.8. GSM/3G Device Specifications
Table 2.4: Operating frequency bands of GSM/3G-module of the router
Operation mode Band(s), MHz
GPRS/EDGE 850/900/1800/1900
HSPA (3G) 850/1900/2100
2.9. Safety rules
Restrictions on the use of the device near other electronic devices:
Turn off the router in hospitals or when located near medical equipment (for example: pacemakers and
hearing aids); interference with medical equipment may occur;
The router off when on an airplane. Take measures against accidental turning on;
Turn the router off in the vicinity of gas stations, chemical plants, and places where demolition work is
conducted. May interfere with technical devices; at a close range, the router can produce interference
for television sets and radio transmitters
Protect the router against dust and water.
Please comply with the allowable power and vibration requirements at the device installation location.
2.10. Device functional diagram
The main functional router nodes (see Fig. 2.1):
Power supply connector;
Voltage converter;
GSM/3G-module;
SMA-connector for an external antenna;
Micro controller (MC);
USB-A;
Interfaces RS232 and RS485 unit;
Ethernet-interface;
SIM card-1 holder;
SIM card-2 holder;
Operating indicator unit - LEDs.

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Fig. 2.1. Functional diagram of RUH2b router

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3. Appearance and interfaces
3.1. Appearance
3.1.1. Connectors and external elements
The router is designed in an industrial version in a firm and lightweight plastic body.
Fig. 3.1. View from the SIM card side
Figure 3.1 numbers indicate:
1. SIM card #2 tray;
2. SIM card #1 tray eject button;
3. SIM card #1 tray;
4. SIM card #2 tray eject button;
5. Interface DB-9 connector (RS232 and RS485);
6. Reset settings button;

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Fig. 3.2. View from the antenna connector side
Figure 3.2 numbers indicate:
7. Ethernet network connector;
8. USB Host connector;
9. SMA antenna connector, GSM antenna connections;
10. 6P6C power supply connector.
Fig. 3.3. View from the top (router indicators)

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3.1.2. Routers indicators
Router indicators are located on top of the body (see fig. 3.3). Please see the Table 3.1 for the explanation
of LED indicators signals and colours. The first column shows the name and a brief description of each
indicator purpose.
Table 3.1: Router indicators explanation
RUH2b router external indicators
Color
Description Green Yellow Red No light
POWER
power
power is
connected --- --- no power
ETHERNET
Ethernet port activity
network cable is
connected --- data transfer network cable is disconnected
CONNECT
GSM-module mode
3G
(HSPA/UMTS)
2G
(EDGE)
2G
(GPRS)
no connection is
established
SIGNAL
input signal level CSQ 20...31 CSQ 10...19 CSQ 0...9 GSM module is off
BUSY
busy of downloading *
software download
or upgrade --- --- device is operating
or turned off
SIM 1
SIM card #1 activity SIM1 selected --- --- SIM1 is not used
SIM 2
SIM card #2 activity SIM2 selected --- --- SIM2 is not used
* – downloading is a process of preparing the router's operating system and software for work.
The maximum download time should not exceed 2-3 minutes.

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3.1.3. Decoding device label
Fig. 3.4. Product label

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3.2. Interfaces
3.2.1. Power supply
The power supply of the iRZ RUH2b router must be from a stabilised power supply with a voltage output in
the range 8-30 Volts and the maximum current not less than:
800 mA at the voltage +12V;
400 mA when the voltage is +24V.
A standard connector 6P6C (RJ-25) is used as a power connector. Please see table 3.2 for connectors
description.
Fig. 3.5. Power supply connector
Table 3.2: Purpose of connectors
Contact Signal Purpose
1 + U sup. The positive pole of the DC power supply. It is protected byfused circuit and
overvoltage protection (when applied to the input voltage of over 30V) and
reverse polarity
2not used -
3not used -
4not used -
5not used -
6GND System body (negative pole “-“)

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3.2.2. Serial port (COM-port, DB-9 connector)
A serial port defines the router functionality and allows solving telemetry and telemechanics challenges. It
can be used for:
Collecting data or controlling the equipment on the network with additional software;
Connecting two remote devices with COM interfaces via the Internet.
There are two serial ports available in RUH2b router, they are RS232 and RS485 interfaces. DB-9
connector (Fig. 3.6) is used to connect COM ports; please see Table 3.3. for the connector purpose.
Note: A connection with external devices via RS422 interface can be obtained using the external RS422,
CAN converters
ATTENTION! Connecting the device to the router serial port is allowed only when both devices are turned
off.
Fig. 3.6. Interface connector
Table 3.3: Purpose of interface connectors pins
Pin Signal Direction Purpose
1 not used - -
2 RS232 - RXD Device →Router Data reception
3 RS232 - TXD Router →Device Data transfer
4 RS485 - B Router ↔Device Line B
5 GND general System body
6 not used - -
7 not used - -
8 RS232 - Power Router →Device External interface power supply
9 RS485 - A Router ↔Device Line A

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3.2.3. Ethernet interface
The Ethernet interface is designed using a standard connector 8P8C (“RJ-45”). Please see table 3.4. for
the description of the connector pins.
Fig. 3.7. Ethernet connector
Table 3.4: Purpose of Ethernet connectors pins
Pin Signal Direction Purpose
1 ETX P Router ®PC Transfer, positive pole
2 ETX N Router ®PC Transfer, negative pole
3 ERX P PC ®Router Reception, positive pole
4 not used - -
5 not used - -
6 ERX N PC ®Router Reception, negative pole
7 not used - -
8 not used - -

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3.2.4. USB interface
The USB interface is designed using a standard USB-A "female" connector, and it works in accordance with
the USB 1.1 specification standard. Please see Table 3.5. for the descriptions of the connector pins.
Fig. 3.8. USB connector
Table 3.5: Purpose of USB connector pins
Pin Signal Purpose
1 VBUS +5 Volts
Power supply to peripheral devices
2 D- Differential data signal
3 D+ Differential data signal
4 GND "Body" circuit
Power supply to peripheral devices
3.2.5. SMA antenna connector, GSM/3G-antenna
The router is equipped with SMA type antenna connector.
When selecting an antenna, first please pay attention to the positions for operating on UMTS network, as
RUH2b router is designed primarily to operate on UMTS networks. Other antenna models can also provide a
normal operation in cellular networks, but will not provide a full use of the router functionality, and
communication channels speed will be limited.
The process of connecting the antenna to the device is one of the key points for the quality of a computing
complex built on the basis of GSM-routers. Before connecting an antenna, it is recommended to install/check
the following settings:
Antenna cable connector quality;
Cable length and antenna sensitivity;
Antenna purpose (i.e. a miniGSM antenna is not always suited for tasks that require a broad
bandwidth).

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Fig. 3.9. SMA connector and antennas
To simplify the process of determining the quality of connection, please see the table 3.6 for approximate
level of GSM/3G signal.
Note: It is not recommended to use a very long antenna cable. When using RG-58U cable, please take into
account the signal attenuation rate, using the calculation of ~1 dB per meter.
Table 3.6: Signal level gradation
Signal level
dBm CSQ Determination of GSM signal quality
-113 … -83 0 … 15 low (connection not guaranteed)
-81 … -67 16 … 22 medium
-65 … -51 23 … 31 good (steady reception)
Reminder: If the signal level is low, or there are connection problems, please refer to the document
“Diagnostics and Troubleshooting of iRZ Routers”

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4. Preparing for operation
4.1. Connecting a SIM card
To ensure the connectivity of the router to the Internet through a cellular network you will require a SIM card
of a mini-SIM format. Prepare the SIM card (mini-SIM), reset your PIN code if necessary.
Please note: SIM card of a mini-SIM format is different from other cards in size. Please make sure you
receive a correct card from your provider, as the router is not designed to work with SIM cards of other
formats.
Please perform the following steps to ensure the router connectivity to the internet via a cellular network:
1. Remove the tray from the device, by pushing the appropriate button;
2. Fully extract the tray by pulling it towards you;
3. Place the SIM card in the tray;