Multitech MultiConnect MTC-L4G2D User Manual
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Multitech MultiConnect MTC-L4G2D User Manual

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Summary of Contents for Multitech MultiConnect MTC-L4G2D

  • Page 1 ® MultiConnect Cell MTC-L4G2D User Guide...
  • Page 2 Legal Notices The MultiTech products are not designed, manufactured or intended for use, and should not be used, or sold or re-sold for use, in connection with applications requiring fail-safe performance or in applications where the failure of the products would reasonably be expected to result in personal injury or death, significant property damage, or serious physical or environmental damage.

  • Page 3: Table Of Contents

    CONTENTS Contents Chapter 1 – Product Overview ..........................6 About the MultiConnect Cell Modem........................... 6 Documentation ................................6 Chapter 2 – Specifications and Hardware Information ..................... 7 Dimensions..................................7 Serial.................................... 7 USB....................................8 LED Descriptions ................................9 Side Panels .................................. 10 MTC-L4G2D Specifications ............................
  • Page 4 CONTENTS Antenna Specifications ............................. 22 Account Activation for Cellular Devices ........................22 Device Phone Number ..............................22 Chapter 6 – Configuring and Communicating with Your Device................23 Before Using the Device.............................. 23 Using Command Mode and Online Data Mode......................23 Dual Carrier Firmware for Cellular Radio........................
  • Page 5 CONTENTS Using QMI Binary Modem Interface to Create Linux Network Interface ..............40 Example PPP Files ..............................42 Chapter 8 – Regulatory Information........................51 Industry Canada Class B Notice........................... 51 47 CFR Part 15 Regulation Class B Devices ......................... 51 FCC Interference Notice ..............................

  • Page 6: Chapter 1 - Product Overview

    It is intended for use in energy, utility, or industrial settings. The MTC-L4G2D is available with RS-232 or as a USB to Cellular device. Documentation The following documentation is available at https://www.multitech.com/brands/multiconnect-cell-100-series Select your model to get the documentation for that device. Document Description...

  • Page 7: Chapter 2 - Specifications And Hardware Information

    SPECIFICATIONS AND HARDWARE INFORMATION Chapter 2 – Specifications and Hardware Information Dimensions Serial ® MultiConnect Cell MTC-L4G2D User Guide...

  • Page 8: Usb

    SPECIFICATIONS AND HARDWARE INFORMATION ® MultiConnect Cell MTC-L4G2D User Guide...

  • Page 9: Led Descriptions

    SPECIFICATIONS AND HARDWARE INFORMATION LED Descriptions The top panel contains the following LEDs: Power and Terminal Ready LEDs—The Power LED indicates that DC power is present and the TR LED indicates when the unit is ready to receive data. Modem LEDs—Two modem LEDs indicate carrier detection and link status. Signal LEDs—Three signal LEDs display the signal strength level of the wireless connection.

  • Page 10: Side Panels

    SPECIFICATIONS AND HARDWARE INFORMATION Side Panels The device has connectors on either side. The figures that follow show the side panels. Serial Note: The power-saving switch—which appears with the NORMAL and LOW POWER labels—is included only on models that have a serial connector. ®...

  • Page 11: Mtc-L4G2D Specifications

    SPECIFICATIONS AND HARDWARE INFORMATION MTC-L4G2D Specifications Category Description General Standards LTE 3GPP Release 10 HSPA+ 1, 2, 4, 5, 6, 8, 19/GPRS fallback USB interface is QMI compliant TCP/IP Functions FTP, SMTP, TCP, UDP Frequency Bands GSM: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz UMTS FDD: Band I (2100 MHz), Band II (1900), Band IV (1700), Band V (850), Band VI (800), Band VIII (2600) E-UTRA FDD: Band 1 (2100 MHz), Band 2 (1900), Band 3 (1800), Band 4 (1700), Band 5...

  • Page 12: Rs-232 9-Pin Female Connector

    SPECIFICATIONS AND HARDWARE INFORMATION Category Description EMC Compliance FCC Part 15 Class B RED 2014/53/EU Radio Compliance FCC Part 22, 24, 27 Safety Compliance UL 60950-1 2nd ED cUL 60950-1 2nd ED UL 62368-1 cUL 62368-1 IEC 623681 Network Compliance PTCRB Carrier AT&T...

  • Page 13: Power Measurements

    SPECIFICATIONS AND HARDWARE INFORMATION Power Measurements Multi-Tech Systems, Inc. recommends incorporating a 10% buffer into your power source when determining product load. Serial Model: MTC-L4G2D-B01 Power Draw Radio Sleep mode Sleep mode Cellular call Average Average TX Total inrush Total inrush Protocol current, current,...

  • Page 14: Usb Model: Mtc-L4G2D-B03 Power Draw

    SPECIFICATIONS AND HARDWARE INFORMATION USB Model: MTC-L4G2D-B03 Power Draw Radio Sleep mode Cellular Live Average Average TX Total inrush Total Protocol current connection Connection current at pulse charge in inrush (milliamps) idle, no data idle current amplitude millicoulombs charge (milliamps) (milliamps) Power current...

  • Page 15: Chapter 3 - Safety Warnings

    SAFETY WARNINGS Chapter 3 – Safety Warnings Radio Frequency (RF) Safety Due to the possibility of radio frequency (RF) interference, it is important that you follow any special regulations regarding the use of radio equipment. Follow the safety advice given below. Operating your device close to other electronic equipment may cause interference if the equipment is inadequately protected.

  • Page 16: Notice Regarding Compliance With Fcc, Eu, And Industry Canada Requirements For Rf Exposure

    SAFETY WARNINGS Notice regarding Compliance with FCC, EU, and Industry Canada Requirements for RF Exposure The antenna intended for use with this unit meets the requirements for mobile operating configurations and for fixed mounted operations, as defined in 2.1091 of the FCC rules for satisfying RF exposure compliance. This device also meets the European RF exposure requirements of EN 62311.

  • Page 17: Chapter 4 - Installing And Using The Device

    INSTALLING AND USING THE DEVICE Chapter 4 – Installing and Using the Device Installing the Device Connect the antenna(s) included with your device to the antenna connector(s). If your device is the serial version: Connect the DE9 male connector (9-pin) of the RS-232 cable to the RS-232 connector on the device, then connect the other end to the serial port on the other desired device.

  • Page 18: Usb Cable Recommendations

    If possible, use a USB port that connects directly to the motherboard rather than a USB port with added cabling inside the computer chassis. Use USB 3.0 ports if available. These ports are typically rated for more current. You can order the USB cable through MultiTech. The part number is CA-USB-A-MINI-B-3 Powering Down Your Device CAUTION: Failing to properly power down the device before removing power may corrupt your device's file system.

  • Page 19: Removing A Sim Card

    There are no EMC concerns about antenna diversity. All antennas need to have a minimum flammability rating. Safety requirements depend on your final product. Unless otherwise noted, antennas certified by MultiTech are not approved for outdoor use. Do not extend these antennas outside of any building. ®...

  • Page 20: Power Draw

    INSTALLING AND USING THE DEVICE Power Draw There are no significant power draw differences. ® MultiConnect Cell MTC-L4G2D User Guide...

  • Page 21: Chapter 5 - Antenna And Activation Information

    Devices were approved with the following antenna(s) and for alternate antennas meeting the given specifications. Antenna Devices were approved with the following antenna: Manufacturer: Wieson Description: LTE Antenna with SMA-Male Connector Model Number GY115IE002-001 MultiTech ordering information: Model Quantity ANLTE4-1HRA ANLTE4-2HRA ANLTE4-10HRA ANLTE4-50HRA ® MultiConnect Cell MTC-L4G2D User Guide...

  • Page 22: Antenna Specifications

    Account Activation for Cellular Devices Some MultiTech devices are pre-configured to operate on a specific cellular network. To use the device, you must set up a cellular data account with your service provider. Each service provider has its own process for adding devices to their network.

  • Page 23: Chapter 6 - Configuring And Communicating With Your Device

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE Chapter 6 – Configuring and Communicating with Your Device Before Using the Device Before using the device: Install any drivers. Refer to the separate driver installation guide for your device. Power up your device and ensure it is connected to your computer that issues AT commands. Note: Wait 10 seconds after power-up before issuing any AT commands.

  • Page 24: Dual Carrier Firmware For Cellular Radio

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE Dual Carrier Firmware for Cellular Radio This device uses a cellular radio with dual carrier firmware meaning that it can be used on different carrier networks (not simultaneously). The device can be used on either the Verizon or AT&T/other networks. The device is configured for AT&T/others by default.

  • Page 25: Verizon Fota (Firmware Over The Air)

    Verizon’s LTE requirements, you must implement FOTA. Failure to perform a critical update could result in losing access to the Verizon network. MultiTech has developed a script for customers to use in order to initiate a FOTA update from the (the customer’s) local host processor (pull FOTA). The script is available at: https://www.multitech.com/vzw-catm1...

  • Page 26: Example

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE -17 to -16 -19 to -18 Not known or not detectable Note: Signal strength of 10 or higher is needed for successful packet data sessions. Example A example response to AT+CSQ: +CSQ: 15,1 Checking Network Registration Before establishing a packet data connection, verify the is device registered on the network.

  • Page 27: Configuring Device As Udp Listener To Accept Udp Client Connections

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE AT#SGACT=1,1 The device responds with the IP Address the cellular provider assigned to the device on connection, followed by OK. For example: #SGACT: 25.194.185.116 Create Client Connection to TCP Server on Port 500 Enter: AT#SD=1,0,500,"###.##.###.##"...

  • Page 28: Configuring Device As Udp Client To Connect To Udp Server

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE Verizon: AT#SGACT=3,1 Other Networks: AT#SGACT=1,1 Set firewall rule to accept connections: AT#FRWL=1,"###.##.###.#","###.##.###.#" where ###.##.###.# represents the IP range. For example: AT#FRWL=1,"204.26.122.1","204.26.122.255" Set connection ID 1 for UDP listening mode on port 7000. Enter: AT#SLUDP=1,1,7000 The device responds with and unsolicited indication that a host is trying to connect to connection ID 1 on port 7000.

  • Page 29: Transferring Ftp File To Ftp Server

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE Should return: +CEREG: 0,1 or +CEREG: 0,5 Configure socket parameters Enter: AT#SCFG=1,3,300,240,600,50 Activate context one Enter: Verizon: AT#SGACT=3,1 Other Networks: AT#SGACT=1,1 Create UDP connection to Server port Enter: AT#SD=1,1,####,"###.##.###.##" where #### is the server port and ###.##.###.## is the IP number. The device responds with OK, which indicates a successful connection for sending and receiving data through the socket connection.
  • Page 30 CONFIGURING AND COMMUNICATING WITH YOUR DEVICE Activate context Enter: Verizon: AT#SGACT=3,1 Other Networks: AT#SGACT=1,1 Set FTP operations timeout to 10 seconds Enter: AT#FTPTO=100 Configure FTP server IP address with username and password. Enter: AT#FTPOPEN="###.##.###.#","username","password",0 where ###.##.###.# is the IP address and the username and password for the FTP server. Configure file transfer type.

  • Page 31: Downloading File From Ftp Server

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE Downloading File from FTP Server To connect to an FTP server and download files: Check signal strength. Enter: AT+CSQ Verify device is registered on the cellular network. Enter: AT+CEREG? Should return: +CEREG: 0,1 or +CEREG: 0,5 Activate context one Enter: Verizon:...

  • Page 32: Reading, Writing And Deleting Messages

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE Closing the FTP Data Connection After the file is sent: Close the FTP connection. Enter: AT#FTPCLOSE Close the PPP data connection. Enter: Verizon: AT#SGACT=3,0 Other Networks: AT#SGACT=1,0 The device responds with OK. Reading, Writing and Deleting Messages Reading Text Messages NOTE: For CAT M1 devices, you can only send/receive SMS messages from other CAT M1 devices on the same network.

  • Page 33: Deleting Messages

    CONFIGURING AND COMMUNICATING WITH YOUR DEVICE AT+CEREG? Should return: +CEREG: 0,1 or +CEREG: 0,5 Put the device in text mode. Enter: AT+CMGF=1 The device responds. Enter the recipient's number and your message. Enter: AT+CMGS="##########" >Your message here where ########## is the recipient's number. Send the message.
  • Page 34 CONFIGURING AND COMMUNICATING WITH YOUR DEVICE Deletes all messages. For example: AT+CMGD=1 (delete message at index 1) AT+CMGD=2 (delete message at index 2 ) AT+CMGD=1,0 AT+CMGD=1,1 AT+CMGD=1,2 AT+CMGD=1,3 AT+CMGD=1,4 ® MultiConnect Cell MTC-L4G2D User Guide...

  • Page 35: Chapter 7 - Using Linux With The L4G2D Radio

    Working SIM and cellular account provisioned by the cellular carrier for an IoT device (refer to carrier for details.) Working MultiTech L4G2D hardware. Modem Manager and Network Manager Applications Modem Manager and Network Manager are Linux applications used to manage the connection state for the modem hardware and network interface respectively.

  • Page 36: Qualcomm Media Interface (Qmi)

    USING LINUX WITH THE L4G2D RADIO Some Linux distributions may come with pre-installed kernel modules that automatically detect the modem’s USB serial interfaces and create TTY device files in the /dev directory. Qualcomm Media Interface (QMI) The Qualcomm Media Interface (QMI) provides a binary protocol alternative to issuing AT commands to the modem.

  • Page 37: Finding At Command Interpreter Device Files

    1 root dialout 188, 2 Oct 6 23:17 /dev/ttyUSB2 Opening a Device File with a Terminal Program: Note: The default serial baud rate for MultiTech products is 115200 baud. In this example the default baud rate for minicom is also 115200. $ minicom -D /dev/ttyUSB2 In the terminal program, type: and then press Enter.

  • Page 38: Creating Ppp Configuration Files And Scripts

    USING LINUX WITH THE L4G2D RADIO Remove power from the modem, install SIM if necessary, and reapply power. Open device file with a terminal program and configure the Packet Data Protocol (PDP) context. Example (supply values between <> based on carrier provided information): $ minicom -D /dev/ttyUSB2 Welcome to minicom 2.8 OPTIONS: I18n...

  • Page 39: Etc/Ppp/Peer

    USING LINUX WITH THE L4G2D RADIO /etc/ppp/peer File Edit /etc/ppp/peer Locate and uncomment the lines corresponding to the carrier specific chat script and MTU that will be used to communicate with the modem. If another device file is used for the PPP data channel then replace occurrences of /dev/ttyUSB2 with the desired file path.

  • Page 40: Using Qmi Binary Modem Interface To Create Linux Network Interface

    USING LINUX WITH THE L4G2D RADIO rtt min/avg/max/mdev = 79.393/134.868/289.429/89.269 ms Example Off: $ poff l4g2d_peer $ ifconfig ppp0 ppp0: error fetching interface information: Device not found Using QMI Binary Modem Interface to Create Linux Network Interface Use the modem’s QMI binary modem interface to create a network connection. This section provides information about installing dependencies, bringing the QMI interface online, configuring the Linux network interface wwan0 and installing dependencies Installing Dependencies...
  • Page 41 USING LINUX WITH THE L4G2D RADIO The DHCP client udhcpc uses raw ip to bypass the Linux IP stack implementations of various protocols (TCP, UDP, etc) and request an IP address and other information from the cellular carrier’s DHCP server. Determine the current state of raw_ip support for the network interface.

  • Page 42: Example Ppp Files

    USING LINUX WITH THE L4G2D RADIO To avoid making wwan0 the default gateway for all IP traffic open /etc/udhcpc/default.script, look for a line containing “route add default”, and edit/comment out accordingly. Confirm the wwan0 network interface is configured and test network connection: $ ifconfig wwan0 wwan0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST>...
  • Page 43 USING LINUX WITH THE L4G2D RADIO # ms-wins 192.168.1.51 # Run the executable or shell command specified after pppd has # terminated the link. This script could, for example, issue commands # to the modem to cause it to hang up if hardware modem control signals # were not available.
  • Page 44 USING LINUX WITH THE L4G2D RADIO # show the password string in the log message. #show-password # Use the modem control lines. On Ultrix, this option implies hardware # flow control, as for the crtscts option. (This option is not fully # implemented.) modem # Set the MRU [Maximum Receive Unit] value to <n>...
  • Page 45 USING LINUX WITH THE L4G2D RADIO # if a serial device is specified). #-detach # Disable IP address negotiation (with this option, the remote IP # address must be specified with an option on the command line or in # an options file). #-ip # Disable IPCP negotiation and IP communication.
  • Page 46 USING LINUX WITH THE L4G2D RADIO # Append the domain name <d> to the local host name for authentication # purposes. For example, if gethostname() returns the name porsche, # but the fully qualified domain name is porsche.Quotron.COM, you would # use the domain option to set the domain name to Quotron.COM.
  • Page 47 USING LINUX WITH THE L4G2D RADIO # lcp-echo-failure option to detect that the peer is no longer connected. lcp-echo-interval 30 # If this option is given, pppd will presume the peer to be dead if n # LCP echo-requests are sent without receiving a valid LCP echo-reply. # If this happens, pppd will terminate the connection.
  • Page 48 USING LINUX WITH THE L4G2D RADIO #pap-max-authreq <n> # Set the maximum time that pppd will wait for the peer to authenticate # itself with PAP to <n> seconds (0 means no limit). #pap-timeout <n> # Set the CHAP restart interval (retransmission timeout for # challenges) to <n>...
  • Page 49 USING LINUX WITH THE L4G2D RADIO # commence passing data packets (i.e., IP packets) across the link. #demand # Specifies that pppd should disconnect if the link is idle for <n> seconds. # The link is idle when no data packets (i.e. IP packets) are being sent or # received.
  • Page 50 USING LINUX WITH THE L4G2D RADIO # Serial device to which the modem is connected. /dev/ttyUSB2 # Speed of the serial line. 115200 # Assumes that your IP address is allocated dynamically by the ISP. noipdefault # Try to get the name server addresses from the ISP. usepeerdns # Use this connection as the default route.

  • Page 51: Chapter 8 - Regulatory Information

    REGULATORY INFORMATION Chapter 8 – Regulatory Information Industry Canada Class B Notice This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Reglement Canadien sur le matériel brouilleur.

  • Page 52: Waste Electrical And Electronic Equipment Statement

    Substances) complements the WEEE Directive by banning the presence of specific hazardous substances in the products at the design phase. The WEEE Directive covers all MultiTech products imported into the EU as of August 13, 2005. EU-based manufacturers, distributors, retailers and importers are obliged to finance the costs of recovery from municipal collection points, reuse, and recycling of specified percentages per the WEEE requirements.
  • Page 53 REGULATORY INFORMATION MultiTech declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. The declaration of conformity may be downloaded at https://www.multitech.com/red ® MultiConnect Cell MTC-L4G2D User Guide...

  • Page 54: Restriction Of The Use Of Hazardous Substances (Rohs)

    2015/863 of the European Parliament (Restriction of the use of certain Hazardous Substances in electrical and electronic equipment - RoHS 3). These MultiTech products do not contain the following banned chemicals Lead, [Pb] < 1000 PPM Mercury, [Hg] <...

  • Page 55: Information On Hs/Ts Substances According To Chinese Standards

    REGULATORY INFORMATION Information on HS/TS Substances According to Chinese Standards In accordance with China's Administrative Measures on the Control of Pollution Caused by Electronic Information Products (EIP) # 39, also known as China RoHS, the following information is provided regarding the names and concentration levels of Toxic Substances (TS) or Hazardous Substances (HS) which may be contained in Multi-Tech Systems Inc.

  • Page 56: Information On Hs/Ts Substances According To Chinese Standards (In Chinese)

    REGULATORY INFORMATION Information on HS/TS Substances According to Chinese Standards (in Chinese) 依 依 照 照 中 中 国 国 标 标 准 准 的 的 有 有 毒 毒 有 有 害 害 物 物 质 质 信 信 息 息 根据中华人民共和国信息产业部...

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