Advantech SmartFlex SR304 User Manual
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Advantech SmartFlex SR304 User Manual

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LTE Industrial Router
SmartFlex SR304
USER MANUAL

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Summary of Contents for Advantech SmartFlex SR304

  • Page 1 LTE Industrial Router SmartFlex SR304 USER MANUAL...
  • Page 2 SmartFlex SR304 © 2023 Advantech Czech s.r.o. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photography, recording, or any information storage and retrieval system without written consent. Information in this manual is subject to change without notice, and does not represent a commitment on the part of Advantech.
  • Page 3 Attention – Problems that can arise in specific situations. Information, notice – Useful tips or information of special interest. Advantech Czech s.r.o., Sokolska 71, 562 04 Usti nad Orlici, Czech Republic Document No. MAN-0037-EN, revision from June 8, 2023. Released in the Czech Republic.

  • Page 4: Table Of Contents

    SmartFlex SR304 Contents 1 Safety Instructions 2 WEEE directive 3 Router Description 3.1 Usage of the Router ....... . .
  • Page 5 SmartFlex SR304 7 Technical Parameters 7.1 Basic parameters ........
  • Page 6 SmartFlex SR304 List of Figures Access to the Internet from LAN ......Backed up access to the Internet .
  • Page 7 SmartFlex SR304 Version with RS232-RS485/422 interface ..... RS232 connector ........
  • Page 8 SmartFlex SR304 List of Tables Router versions ........

  • Page 9: Safety Instructions

    SmartFlex SR304 1. Safety Instructions Please, observe the following instructions: • The router must be used in compliance with all applicable international and national laws and in compliance with any special restrictions regulating the utilization of the router in prescribed applications and environments.

  • Page 10: Weee Directive

    SmartFlex SR304 2. Product Disposal Instructions The WEEE (Waste Electrical and Electronic Equipment: 2012/19/EU) directive was in- troduced to ensure that electrical/electronic products are recycled using the best available recovery techniques to minimize the environmental impact. This product contains high quality materials and components which can be recycled.

  • Page 11: Router Description

    SmartFlex SR304 3. Router Description SmartFlex SR304 is an industrial cellular router intended for the market in Europe, Middle East and Africa (EMEA) areas. This device may also be operated in south-eastern Asia. This router is an ideal device for wireless communication in mobile networks that make use of LTE, HSPA+, UMTS, EDGE or GPRS technology.

  • Page 12: Usage Of The Router

    SmartFlex SR304 Examples of possible applications • mobile office • telemetric • fleet management • remote monitoring • security system • vending and dispatcher machines • telematic 3.1 Usage of the Router The router is primarily intended for these four basic situations: I.

  • Page 13: Backed Up Access To The Internet

    SmartFlex SR304 II. Backed up access to the Internet (from LAN) Figure 2: Backed up access to the Internet III. Secure networks interconnection or using VPN Figure 3: Using VPN tunnel...

  • Page 14: Serial Gateway

    SmartFlex SR304 IV. Serial Gateway Figure 4: Serial Gateway...

  • Page 15: Contents Of Package

    SmartFlex SR304 4. Contents of Package Basic delivered set of router includes: • router, • power supply, • crossover UTP cable, • up to three external antennas, • loose power and I/O connector (+8 pins • 4-pins and 5-pins terminal block for RS485 and RS232 (only for version with interface RS232-RS485/422), •...

  • Page 16: Router Design

    Check with your local Advantech sales representative for available options and HW configura- tions. SmartFlex SR304 router is supplied in the following versions (see table below). All versions are available in plastic or metal box according to customer requirements. All versions are available with PoE PD (Power over Ethernet –...

  • Page 17: Version Switch (Plastic)

    SmartFlex SR304 Figure 10: Version SWITCH (plastic) Figure 15: Version SWITCH (metal) Figure 11: Version SWITCH and WiFi (plastic) Figure 16: Version SWITCH and WiFi (metal) Figure 12: Version RS232-RS485 (plastic) Figure 17: Version RS232-RS485 (metal) Figure 13: Ver. RS232-RS485 & WiFi (plastic) Figure 18: Version RS232-RS485 &...

  • Page 18: Product Revisions

    SmartFlex SR304 Figure 20: RS232-RS485-ETH & WiFi (plastic) Figure 21: RS232-RS485-ETH & WiFi (metal) 5.2 Product Revisions For the product revision history, see the table below. The revision number is printed on the packaging and product labels. The router GUI can also display the product revision under Status -> General -> System Information ->...

  • Page 19: Order Codes

    SmartFlex SR304 5.4 Order codes Order codes overview is shown in the table below. Product Name Order code Features – interfaces SR304 BB-SR3040x0yz LTE module for EMEA, 2x ETH, 1x USB, 2x BI, 1x BO, 1x microSD reader, 2x SIM reader...

  • Page 20: Type Of Router Box

    SmartFlex SR304 Letter "y" – type of the router box Type of box Number "y" in code Plastic Metal Table 6: Type of router box Letter "z" – type of the power supply connector Type of power supply Number "z" in code...

  • Page 21: Basic Dimensions Of The Router Box

    SmartFlex SR304 5.5 Basic dimensions of the router box Figure 23: Basic dimensions of the router box 5.6 Mounting Recommendations • It is possible to place the router on a flat surface, • DIN rail EN 60715 with the included plastic or metal clip.

  • Page 22: Removal From The Din Rail

    SmartFlex SR304 – Data cables must not have a reticular tension of 230 V/50 Hz or 120 V/60 Hz. • Sufficient space must be left between each connector for the handling of cables, • To ensure the correct functioning of the router we recommend the use of an earth- bonding distribution frame for the grounding of the power supply of the router, data cables and antenna within the switchboard.

  • Page 23: Description Of The Rear Panel

    SmartFlex SR304 5.8 Description of the rear panel The rear panel contains two holders for SIM cards (SIM1 and SIM2), a holder for microSD card (SD) and an RST button used to restore the default configuration and reboot the router.

  • Page 24: Status Indication

    SmartFlex SR304 5.9.1 Status indication There are status LEDs on the front panel to provide router status information. Each ETH port has two additional LEDs that provide information about the port status. Caption Color State Description Green Blinking The router is booting up.

  • Page 25: Power Connector Pwr

    SmartFlex SR304 5.9.2 Power connector PWR Panel socket 2-pin. Pin number Signal mark Description GND(-) Negative pole of DC supply voltage VCC(+) Positive pole of DC supply voltage (+10 to +60 V DC) Table 11: Connection of power connector Figure 27: Power connector Unit has to be supplied by a power supply specified as a Limited Power Source (LPS) ac- cording to Annex Q of IEC 62368-1.
  • Page 26 SmartFlex SR304 Low Power Mode In applications requiring low power consumption (such as solar power - not 7/24 mode) is strictly recommended to use LPM mode prior to powering down the entire router. LPM (Low Power Mode) is a router mode where the router is in sleep mode with minimal power consumption.

  • Page 27: Antenna Connector Ant, Div, Gps And Wifi

    SmartFlex SR304 5.9.3 Antenna connector ANT, DIV, GPS and WiFi The main, diversity and GPS antennas are connected to the router using the SMA connec- tor on the front panel. There is also an R-SMA antenna connector available, through which an additional antenna can be connected, if the router is equipped with a WiFi module.

  • Page 28: Sim Card Reader

    SmartFlex SR304 5.9.4 SIM card reader Two SIM card readers for 3 V and 1.8 V SIM cards are located on the rear panel of the router. In order for the router to function, it is necessary to insert an activated SIM card with an unblocked PIN code.

  • Page 29: Microsd Card Reader

    SmartFlex SR304 5.9.5 MicroSD card reader The microSD card reader is located on the router’s rear panel (the third slot). This card reader allows the router to operate with microSD memory cards. The technical specifications are stated in the table below. The microSD card changing procedure is described below.
  • Page 30 SmartFlex SR304 • To mount the card to to mnt directory, use the mount command: mount /dev/mmcblk0p1 /mnt For more information about the commands for creating, mounting, checking and unmounting a file system on a microSD card, see the application note for Ext4_tools router app.

  • Page 31: Ethernet Ports (Eth0 And Eth1)

    SmartFlex SR304 5.9.6 Ethernet Ports (ETH0 and ETH1) The panel socket RJ45 is used for this interface. The isolation barrier of the Ethernet signal ports against the ground is 1500 V. 10base-T & 100base-T PoE (Mode B) Tx+ (Transmit Data+) —...

  • Page 32: Power Over Ethernet (Poe)

    SmartFlex SR304 5.9.7 Power over Ethernet (PoE) Available only for models with PoE feature; see Chapter for the order codes. You can not power the router via the ETH2 ports on the SWITCH router version. The PoE PD is available on the ETH0 and ETH1 ports only.

  • Page 33: Poe Pse Usage

    SmartFlex SR304 PoE PSE Figure 35: PoE PSE usage The power supply used with the PoE PSE router has to provide voltage from 44 to 57 V DC and the output power has to be at least 65 W for full PoE+ use (Class 4) in both Ethernet ports (ETH0 and ETH1).

  • Page 34: Usb Port

    SmartFlex SR304 5.9.8 USB Port Panel socket USB-A. Signal mark Description Data flow direction +5 V Positive pole of 5 V DC supply voltage, 0.5 A USB data - USB data signal – negative pole Input/Output USB data + USB data signal – positive pole...

  • Page 35: I/O Port

    SmartFlex SR304 5.9.9 I/O Port Panel socket 6-pin. Signal mark Description Binary input 0 Binary input 0 Binary input 1 Binary input 1 Binary output Binary output Table 16: Connection of I/O port Figure 37: I/O connector The I/O user Interface is designed for the processing of binary input and control (setting) of binary output.

  • Page 36: Binary Connection

    SmartFlex SR304 Binary output • Binary output parameters: – 60 V AC / 300 mA – 60 V DC / 300 mA • The current of the binary output is limited by a resettable fuse (300 mA). Binary inputs and output connections...

  • Page 37: Reset

    SmartFlex SR304 5.9.10 Reset When the PWR LED starts flashing on the front panel, it is possible to restore the de- fault configuration of the router by pressing the RST button on the rear panel. After pressing this button the default configuration will be restored and the router will reboot (after which the green LED will be on).

  • Page 38: Interfaces Description

    SmartFlex SR304 5.10 Interfaces Description Besides the basic version of SmartFlex router there are available versions with one of the following interfaces: • SWITCH interface • RS232-RS485/422 interface • RS232-RS485-ETH interface 5.10.1 SWITCH interface The three LAN ports of the SWITCH interface for SmartFlex routers (RJ45 connectors for connecting Ethernet devices) act as a typical switch device.

  • Page 39: Rs232-Rs485/422 Interface

    SmartFlex SR304 Technical specification of Ethernet IEEE 802.3: Ethernet interface, IEEE 802.3 standard Maximum data rate 100 Mbps Max. total cable length (300 Bd, 200 nF/km) 100 m Table 20: SWITCH interface parameters 5.10.2 RS232-RS485/422 interface These interfaces are physically connected through the 5-pin and 4-pin terminal block con- nectors.

  • Page 40: Rs232 Connector

    SmartFlex SR304 Figure 42: RS232 connector Connection of RS485 connector: Signal Description Direction TxRx+ RS485 B (+) Input/Output TxRx- RS485 A (-) Input/Output TxRx+ RS485 B (+) Input/Output TxRx- RS485 A (-) Input/Output Table 22: Connection of RS485 connector The termination resistor can be activated directly on the port board using a jumper (termination resistor is part of the port board).

  • Page 41: Connection Of Jumpers

    SmartFlex SR304 Figure 44: Connection of jumpers Technical specification of RS232 and RS485 bus: RS232 and RS485 interface Max. operating RS232 bus current 15 mA Max. number of devices on RS485 bus Max. output current on RS485 bus 60 mA Max.

  • Page 42: Rs232-Rs485-Eth Interface

    SmartFlex SR304 5.10.3 RS232-RS485-ETH interface This interface board includes a panel RJ45 connector for Ethernet connection (ETH2 in the figure), and four-pin and three-pin terminal block connectors for RS232 and RS485 con- nection. The insulation strength is up to 2.5 kV between the ETH2 and RS485 interfaces and from the rest of the router, too.

  • Page 43: Rs485 Connector

    SmartFlex SR304 When connecting counterpart terminal block connectors (included in package with the router), use cables with nominal cross section 0.2 to 1.0 square mm (30 to 16 AWG). Recommended stripping length is 5 mm. For M2 captive screws the screw driver 0.5 x 3 mm is recommended.

  • Page 44: State Indication Of The Rs232-Rs485-Eth Interface

    SmartFlex SR304 State indication of the interface: Description of indication ETH2 – green LED Selected 100 Mbps Selected 10 Mbps ETH2 – Yellow LED The network cable is connected Blinking Data transmission The network cable is not connected RS485, RS232 – green LED Indicates Receive data RS485, RS232 –...

  • Page 45: First Use

    SmartFlex SR304 6. First Use 6.1 Connecting the router before first use Before putting the router into operation it is necessary to connect all of the components that are required to run your applications. Don’t forget to insert a SIM card.

  • Page 46: Start

    SmartFlex SR304 6.2 Start The router will start when a power supply is connected to the router. By default, the router will automatically start to log on to the default APN. The DHCP server will start to assign addresses for devices connected through the Ethernet port ETH0. Router’s behavior can be changed via the web interface.

  • Page 47: Entering Login Information

    SmartFlex SR304 Figure 51: Entering login information Figure 52: Router web interface A detailed description of the router settings in the Web interface can be found in the Configuration manual for SmartFlex routers.

  • Page 48: Technical Parameters

    SmartFlex SR304 7. Technical Parameters 7.1 Basic parameters SmartFlex Router Temperature range Operating -40 C to +75 C (-40 F to +167 F) Storage -40 C to +85 C (-40 F to +185 F) Cold start -35 C Data transfers via mobile network are available...

  • Page 49: Standards And Regulations

    SmartFlex SR304 7.2 Standards and Regulations The router complies with the following standards and regulations. Parameter Description Radio ETSI EN 301 511, ETSI EN 301 908-1, ETSI EN 301 908-2, ETSI EN 303 413, ETSI EN 301 908-13, ETSI EN 300 328, ETSI EN...

  • Page 50: Type Tests And Environmental Conditions

    SmartFlex SR304 7.3 Type tests and environmental conditions Phenomena Test Description Test levels EN 61000-4-2 Enclosure contact 6 kV (crit. A) Enclosure air 8 kV (crit. A) RF field AM EN 61000-4-3 Enclosure 20 V/m (crit. A) modulated (80 – 2700 MHz) 3 V/m (crit.

  • Page 51: Technical Parameters Of Cellular Module

    SmartFlex SR304 7.4 Technical parameters of Cellular Module Technical parameters of cellular module LTE parameters LTE: Cat.4, 3GPP E-UTRA Release 11 FDD frequencies: B20 (800 MHz), B5 (850 MHz), B8 (900 MHz), B3 (1800 MHz), B1 (2100 MHz), B7 (2600 MHz)

  • Page 52: Parameters Of Gnss

    SmartFlex SR304 7.5 Parameters of GNSS GNSS specifications Antenna – active Protocols NMEA 0183 GNSS Systems GPS, GLONASS, BeiDou, Galileo, QZSS Frequency GPS/Galileo/QZSS: 1575.42 1.023 MHz GLONASS: 1597.5 – 1605.8 MHz BeiDou: 1561.1 2.046 MHz Sensitivity (autonomous) Tracking: -157 dBm...

  • Page 53: Technical Parameters Of I/O Port

    SmartFlex SR304 7.7 Technical parameters of I/O port • Characteristics of inputs: Logical 0 / 1 Voltage Current Web interface status log. 1 max 0.4 mA log. 0 min 0.7 mA log. 0 type 12 V 2 mA log. 0 max...

  • Page 54: Other Technical Parameters

    SmartFlex SR304 7.9 Other Technical Parameters Parameter Description CPU power 2 DMIPS per MHz Flash memory 256 MB 512 MB M-RAM 128 kB Table 39: Other technical parameters...

  • Page 55: Related Documents

    SmartFlex SR304 8. Related Documents Advantech Czech: Configuration Manual for SmartFlex Routers Product-related documents can be obtained on Engineering Portal at http://icr.advantech.cz/ address.

  • Page 56: Troubleshooting

    SmartFlex SR304 9. Troubleshooting If you cannot connect to the router from your PC, your network card may be configured in such a way that it is not possible to connect to the router. Take one or more of the following steps in order to solve the problem: •...
  • Page 57 SmartFlex SR304 I cannot connect from the Internet to the device behind the router. I have NAT enabled. • The device’s gateway has to be configured so it points to the router. I can’t access my Web server placed behind the router over NAT.
  • Page 58 SmartFlex SR304 Serial communication is not working. • Verify that the router model supports serial communications. Also verify the serial communication settings. To do so, open the router’s configuration menu via the web browser, select the appropriate "Expansion Port" from "Configuration" part of the menu and verify the settings.

  • Page 59: Customer Support

    SmartFlex SR304 10. Customer Support Customer Support for Europe Advantech Czech s.r.o. Sokolska 71 562 04, Usti nad Orlici, Czech Republic Phone: +353 91 792444 Fax: +353 91 792445 E-mail: iiotcustomerservice@advantech.eu Web: www.advantech.com Customer Support for NAM Advantech B+B SmartWorx...
  • Page 60 SmartFlex SR304 We, Advantech Czech s.r.o., declare that the radio equipment narrated in this user’s manual complies with Radio Equipment Regulations 2017 (S.I. 2017 No. 1206). We, Advantech Czech s.r.o., declare that the radio equipment narrated in this user’s manual complies with Directive 2014/53/EU.

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