Janus Remote Communications LTE910CF, User Manual

Page 1: ...LTE910CF CAT1 Embedded Cellular Modem User Manual Bulletin JA03 UM LTE Cat1 Revision P01 Date 04 April 2018 ...

Page 2: ...25 Ordering Information 26 Revision History 26 DISCLAIMER The information contained in this document is the proprietary information of Connor Winfield Corporation and its affiliates Janus Remote Communication The contents are confidential and any disclosure to persons other than the officers employees agents or subcontractors of the owner or licensee of this document without the prior written cons...

Page 3: ...s 1 APPLICABILITY TABLE Product Part Number LTE910CF v6 00 LTE910CF v7 00 2 REFERENCES 2 1 Janus Document List Janus Application Note 117 FOTA Firmware Over The Air 2 2 Telit Document List LTE910CF Our modem uses Telit module LE910 V2 Please refer to Telit s website at www telit com for the latest information on the LE910 Module Telit LE910 V2 AT Commands Reference Guide Telit LE910 V2 Hardware Us...

Page 4: ...rations and diagrams for each module The module differences are highlighted in this manual for design considerations for future model placement 3 2 Preview The Plug In Modems are self contained multi band globally capable M2M communication devices designed to provide a comprehensive solution to application problems for our M2M customers They utilize the proven technology of Telit s certified modul...

Page 5: ...ile IP stack with TCP UDP protocol support SMS Support Through hole for screw mount Dimensions 2 5 x 1 4 x 0 325 Operational Temperature Range 40 C to 85 C Internal Switching Regulator Input Voltage Range 4 75 to 5 25Vdc 5Vdc nominal Supply disable via terminal input pin Variable logic level UART GPIO Adjustable from 1 8 5 0Vdc Defaults to 2 85v SIM Card Standard locking SIM card socket Cellular R...

Page 6: ...5 5v Affected I O 1 UART AT TRACE 2 GPIO 3 7 3 VAUX VAUX Adjustment allows feedback as well as legacy access if previously utilizing a plug in implementation with VAUX as the reference Note to pay attention of these changes so there are no adverse effects on a previous Plug in Modem implementation The certification of the following devices for use on the Verizon Wireless network REQUIRES that the ...

Page 7: ...tion for RXD TXD only is found below Although an external source for the level translation can be used VAUX can be used as the reference instead However because some Plug In Modems require AT commands to control VAUX PWRMON may be used as an enable to an external reference Do not use PWRMON directly as the reference Note that the UART Level Translation example remains in this guide for legacy purp...

Page 8: ...ns subject to change without notice All Rights Reserved See website for latest revision Not intended for life support applications Figure 3 USB Connection Diagram 4 Interfaces continued 4 2 2 USB Port continued 4 2 2 1 USB Connection Diagram When VBUS_ENABLE is HIGH the VBUS 5 0v signal will be passed to USB_VBUS pin 29 turning the USB ON ...

Page 9: ...thermal management and layout are outside the scope of this document Please refer to power supply manufacturers for product documentation and design application notes Cellular Load Transients Cellular radios use a mix of modulation schemes including but not limited to TDMA and CDMA In GSM GPRS systems the transmission and reception of data is achieved via Time Division Multiple Access TDMA TDMA tr...

Page 10: ...N A N A 6 23 DVI TX DVI Transmitted Data SDOUT N A N A 6 24 DVI CLK NDVI Data Clock BCLK N A N A 6 25 GROUND Supply Reference Power N A N A 26 GROUND Supply Reference Power N A N A 27 USB_D USB Differential Data CMOS Bi Direction N A N A 28 USB_D USB Differential Data CMOS Bi Direction N A N A 29 USB_VBUS USB Supply Power N A N A 30 VL_IN Interface Voltage Reference Analog Input N A PULL DOWN 7M 3...

Page 11: ...ionality No devices should be powered from this pin Equations C 3600 Btime IRTC VRTC VRTCmin Btime C VRTC VRTCmin IRTC 3600 Where VRTC The Starting voltage of the capacitor Volt VRTCmin The minimum voltage acceptable for the RTC circuit Volt IRTC Ampere The current consumption of the RTC circuitry when VBATT 0 Btime Backup Time Hours C Capacitor value Farads Values for the GSM865CF CDMA864CF UMTS8...

Page 12: ...r ADC Description 1 Analog to digital converter input 4 7 4 I2C The I2C interface is an alternate function of the modem s GPIO for the LTE910CF those two signals are designated for GPIO 9 SDA and GPIO 10 SCL and are 1 8V logic level to match the DVI interface for easy usage with a codec The signals are not pulled up on the Plug In module and must be pulled up externally as they may also be used as...

Page 13: ...igh Z Modem turned ON or OFF after input returns to this state 0 Toggle Modem ON or OFF Notes 1 It is required that this input be controlled by an open collector drain output Do not use an external pull up resistor a pull up is included internal to the Modem 2 The ON OFF pin is offered as a means to power on and power down the Modem When the Modem powers down it informs the cell tower that it is p...

Page 14: ...t is provided in order to supply small devices from the module itself When PWRMON is HIGH VAUX will be ON When PWRMON is LOW VAUX will be OFF On the LTE910CF the VAUX signal voltage will match to the VL IN voltage if utilized 4 8 User LED This module has GPIO2 connected to the User LED pin of the Modem The user application can use this to control an LED or act as an additional GPIO See figure 8 fo...

Page 15: ...ions The Plug In Modules header pin length has been chosen to allow for direct solder mount to a PCB of standard thickness If the user wishes to socket the Plug In Module they may do so as well by using the below part numbers for reference Samtec 25 pin header TSM 125 04 L SV A Samtec 24 pin header TSM 124 04 L SV A Mating Samtec 25 pin connector SLW 125 01 G S Mating Samtec 24 pin connector SLW 1...

Page 16: ... device reliability 5 1 2 Recommended Operating Conditions Parameter Min Typ Max Unit Note Temperature 40 85 C Supply referenced to Supply 4 75 5 0 5 25 Volt VL IN Selection 1 8 5 0 Volt VAUX Output 2 85 Volt 1 VAUX Current 100 mA 1 Note 1 WhenVL IN is utilized VAUX will matchVL 5 1 3 Power Supply Mode Average mA Mode Description Switched Off Terminal Disabled 15µA Terminal disabled ENABLE SUPPLY ...

Page 17: ... 99 Volt Output Voltage High Voh 2 45 2 85 Volt Output Voltage Low Vol 0 0 4 Volt Typical Current Source 100uA 1uA 5 1 4 3 VL IN Selected Interface Levels UART GPIO Parameter Min Typ Max Unit Note Input Voltage High Vih VL 0 65 VL Volt Input Voltage Low Vil 0 VL 0 35 Volt Output Voltage High Voh VL 0 4 VL Volt Output Voltage Low Vol 0 0 4 Volt 5 1 4 4 Cellular LED and USER LED Output Levels Parame...

Page 18: ... frequencies Bandwidth WCDMA 1900 B2 140Mhz WCDMA 850 B5 70Mhz LTE 1900 B2 140Mhz LTE 1700 B4 445Mhz LTE 850 B5 70Mhz LTE 700 B17 42Mhz LTE 700 B12 47Mhz Impedance 50Ω Input Power 24 dBm Average power in WCDMA LTE VSWR Absolute Max 10 1 VSWR Recommended 2 1 5 1 5 2 LTE910CF v6 00 Verizon Parameter Description Frequency Range Depending on frequency bands provided by the network operator the custome...

Page 19: ...l common mode range Includes VDI 0 8 2 5 Volt Output levels for low full speed Low RL 1 5 kΩ to 3 6 V 0 3 Volt High RL 15 kΩ to GND 2 8 3 6 Volt Output signal crossover voltage 1 3 2 0 Volt Terminations Internal pull up resistor VTRM to D VTRM to D 1 425 1 5 1 575 kΩ Internal pull down resistor D to GND D to GND 14 3 15 24 8 kΩ High Z state output impedance 0 V VDD 3 6 V measured at D and D pins t...

Page 20: ...18 Janus Remote Communications Specifications subject to change without notice All Rights Reserved See website for latest revision Not intended for life support applications 5 LTE910CF TECHNICAL SPECIFICATIONS continued 5 2 Mechanical Specification Figure 10 LTE910CF Mechanical Dimensions LTE910CF ...

Page 21: ... serial interface and you wish to change the baud rate on the module you must use AT IPR You must also change the rate in the host UART i e HyperTerminal to match the new baud rate If these do not match you will not be able to send AT commands to the module through the serial port The Modem is by default set to 115 2 kbps 5 3 1 2 Verify Your Terminal and Firmware Version Enter AT CGMM and wait for...

Page 22: ...2 Check Network Status assuming you have a valid SIM card installed Enter AT CGREG cr And wait for response Response will be CGREG 0 1 or CGREG 0 5 meaning the device is registered to the home network or roaming respectively If response is different than this please refer to the Telit AT command reference document for more information 5 3 3 3 Check Signal Quality Enter AT CSQ cr And wait for respo...

Page 23: ... carrier s APN e g m2m com attz Activate the context as follows LTE910CF V6 00 Enter AT SGACT 3 1 LTE910CF V7 00 Enter AT SGACT 1 1 Open the socket connection Enter AT SD 1 0 rPort IPaddr 0 0 0 Look for response CONNECT This opens a remote connection via socket rPort the remote host port of the server you are trying to connect to 0 to 65535 IPaddr the IP address of the server you are trying to con...

Page 24: ...T Reset input Note 1 If the application uses USB as the main interface to the module this is sufficient to capture any debug or trace data provided the application can export the diagnostic port externally 2 RTS must be connected to ground if flow control is not used 6 2 Debug Debug of the Plug In Modems in production To test and debug the mounting of the module we strongly recommend test pads on ...

Page 25: ...onverter BER Bit Error Rate CD Carrier Detect CDMA Code Division Multiple Access CSD Circuit Switched Data CTS Clear To Send DB Decibel DBFS Decibels Full Scale DC Direct Current DCE Data Communications Equipment DSR Data Set Ready DTMF Dual tone multi frequency DTR DTE Ready FDN Fixed Dialing Number GPIO General Purpose Input Output GPRS General Packet Radio Service GSM Global System Mobile ITAR ...

Page 26: ...In User Manual P01 04 04 18 Addition of documentation and block diagram edit Ordering Information Ordering Information Description LTE910CF v6 00 LTE Cat 1 Plug In Modem Verizon LTE910CF v7 00 LTE Cat 1 Plug In Modem AT T Division of The Connor Winfield Corporation 2359 Diehl Road Aurora IL 60502 Phone 630 499 2121 info janus rc com www janus rc com ...