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Senquip ORB-X1-G, User Manual

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Senquip ORB-X1-G User Manual Download Page 105

Figure 9.7. Remote update of ORB settings via the Senquip Portal

Note In applications where power is available, a quicker transmit interval will mean that settings changes
can be made more quickly.

9.1.7 Remote Firmware Updates

Senquip will routinely make firmware updates to enable new features, enhance security and fix bugs.

ORB firmware can be updated via the Senquip Portal.  To update the firmware, press the Update button on
the settings page.  You will be directed to a page asking for the firmware number.  This number can be
found on the Senquip website or through your preferred distributor.

 

 

ORB User Guide, Release 1.1

9.1.  Using the Senquip Portal 

 

99

Summary of Contents for ORB-X1-G

Page 1: ...ORB User Guide Release 1 1 Senquip Sep 14 2020...

Page 2: ......

Page 3: ...2 4 AA Battery Install 18 2 5 SIM Card Install 19 2 6 Wiring guide 22 2 7 Initial setup 24 3 Power Supply 33 3 1 Permanent power 33 3 2 Internal rechargeable battery 34 3 3 Replaceable AA batteries 3...

Page 4: ...5 HTTP 89 8 6 HTTPS 89 8 7 MQTT 89 8 8 MQTT over TLS 89 8 9 Settings 90 9 Senquip Portal 93 9 1 Using the Senquip Portal 93 9 2 Levels of Access to the Senquip Portal 101 10 Mechanical Speci cation 1...

Page 5: ...ntact security seal 12 Figure 2 2 ORB mounting points circled in red 13 Figure 2 3 ORB mounting brackets 14 Figure 2 4 Attaching the pole mount bracket 15 Figure 2 5 Attaching the wall mount bracket 1...

Page 6: ...nquip Portal 94 Figure 9 2 View or add ORB s 95 Figure 9 3 ORB Dashboard 96 Figure 9 4 Example chart showing the days temperature 97 Figure 9 5 Data visualisation in di erent formats 97 Figure 9 6 Dat...

Page 7: ...Chapter 1 Introduction 1 1 What is the Senquip ORB The Senquip ORB connects to almost any industrial sensor or system and allows remotely measured data 1...

Page 8: ...the health of local populations Water Services ensuring that drinking water is of the highest possible quality Detection of chemical leaks in factories and in water treatment plants Emergency Services...

Page 9: ...nnections Ownership at Senquip we believe that the customer owns their data We deliver your data to your servers in a private secure manner We will not access use or resell your data it is yours 1 4 W...

Page 10: ...ure 1 3 1 x 2 hole and 1 x 3 hole gland insert Figure 1 4 4 x M5x8mm mounting screws Figure 1 5 1 x 3mm Allen key Figure 1 6 1 x Getting started guide ORB User Guide Release 1 1 4 Chapter 1 Introducti...

Page 11: ...1 5 Regulatory Information Figure 1 7 Radiocommunications Electromagnetic Compatibility Standard 2017 AS NZSCISPR 32 ORB User Guide Release 1 1 1 5 Regulatory Information 5...

Page 12: ...Figure 1 8 Requirements for Connection to an Air Interface of a Telecommunications Network Part 1 General ACMA AS CA S042 1 2018 ORB User Guide Release 1 1 6 Chapter 1 Introduction...

Page 13: ...Figure 1 9 Requirements for Connection to an Air Interface of a Telecommunications Network Part 4 IMT Customer Equipment ACMA AS CA S042 4 2018 ORB User Guide Release 1 1 1 5 Regulatory Information 7...

Page 14: ...Figure 1 10 Radiocommunications Electromagnetic Radiation Human Exposure Standard 2014 ARPANSA RPS3 ORB User Guide Release 1 1 8 Chapter 1 Introduction...

Page 15: ...Figure 1 11 Radiocommunications Short RangeDevices Standards 2014 AS NZS 4268 Note Full certi cation reports are avilable on request ORB User Guide Release 1 1 1 5 Regulatory Information 9...

Page 16: ...ORB User Guide Release 1 1 10 Chapter 1 Introduction...

Page 17: ...ng has not been opened If this seal is compromised the box may have been opened in which case a non authorised party could have had access to the ORB password If the device is to be used in a critical...

Page 18: ...urity seal 2 2 Mounting The ORB can be mounted directly on a at surface or can be attached to a pole or wall using the appro priate mounts that are included when you purchase your ORB ORB User Guide R...

Page 19: ...he tapped holes on the rear of the ORB enclosure Warning The depth of the tapped holes in the rear of the ORB enclosure is limited to 5mm attempting to fasten to a depth exceeding 5mm may damage the e...

Page 20: ...is designed to be used with commonly available jubilee clips Thread the strap end of a jubilee clip through the slots in the top of the bracket Repeat for the bottom bracket with a second jubilee cli...

Page 21: ...be used to attached the ORB to a wall Attach the brackets to the rear of the ORB as shown below using the four supplied M5 bolts note that the brackets are rotated 180 degrees when compared with how...

Page 22: ...i Fi and GSM antennas that may not function optimally if the monitor is mounted in the incorrect orientation In eld orientation checks can be performed using the built in accelerometer and associated...

Page 23: ...cover 1 Un fasten the 6 hex head screws that secure the cover using the 3mm Allen key provided The screws are captive and will not fall out when loose Do not attempt to remove the screws from the lid...

Page 24: ...LEDs and con guration switches Note When closing the ORB please ensure that the seal is correctly seated and is clean A poorly seated or dirty seal may result in water ingress 2 4 AA Battery Install T...

Page 25: ...o SIM card with dimensions as shown in the gure below Both 1 8V and 3 3V SIM Cards are supported If GSM is the chosen communications method then a SIM card should be installed now In most instances th...

Page 26: ...n to install and is then pushed and released to eject Figure 2 10 Identifying the SIM card slot To insert a micro SIM card into the holder place it in the recess to the left of the SIM card slot and a...

Page 27: ...rd is insterted the plastic lock will lift securing the SIM card in the holder Figure 2 12 Insert SIM to the right It is recomended that the ORB be reset by pressing the reset button after inserting a...

Page 28: ...Positive voltage in PWR Positive system power either permanent or inter mittent such as from a solar panel 2 Negative voltage in ground GND Negative system power or ground 3 Source 1 SRC1 Switchable...

Page 29: ...max 1 5 mm Conductor cross section AWG min 24 Conductor cross section AWG max 16 Please ensure that all external power is removed from the ORB before wiring tment begins Power and ground wires must be...

Page 30: ...ls are manufactured using NBR Nitrile Butadiene Rubber and are resistant to oils and biological oils solvents and most industrial chemicals Always check the suit ability of the cable gland insert with...

Page 31: ...are only active if the lid is open When the lid is closed the LEDs will remain o to conserve energy A summary of LED function is given in the table below Note During normal operation the LEDs will be...

Page 32: ...ast Continue to hold the Setup button down for 10 seconds After 10 seconds the LEDs will stop ashing at which point the Setup button can be released All settings will be changed back to the factory st...

Page 33: ...nd the ip address of the webserver A removable section that contains the part number ORB identi cation number webserver password setup password Wi Fi SSID and Wi Fi password This section should be rem...

Page 34: ...s built in web server The web server allows for initial setup using a web based interface similar to setting up a home router In this mode a user can connect to the ORB using any computer tablet or m...

Page 35: ...other information can be found on a sticker under the lid of the ORB In the example below using an Android phone the ORB can be seen to be advertising itself as ORB 32030 where 32030 are the last ve d...

Page 36: ...r Senquip recommends Chrome and in the address bar type 192 168 4 1 and press enter Your browser will open the ORB s web server password entry page For username type in admin the setup password can be...

Page 37: ...ir defaults as found under the lid If you have entered the username and password correctly you will now have access to the ORB s web server From the web server you will be able to view current data ma...

Page 38: ...k Internal Con gure all sensors that are internal to the ORB External Con gure sensors that are connected to the external interface Endpoint Con gure the ORB to send data to a remote server such as th...

Page 39: ...f power outages Supply voltage is monitored to a resolution of 100mV and can be reported on a periodic basis if enabled The supply voltage input is reverse polarity protected and is resistant to damag...

Page 40: ...with the orange LED o Internal protection circuits prevent damage to the LiPo battery in the event of a short circuit or due to excessive discharge A temperature monitoring circuit prevents the LiPo b...

Page 41: ...ate at which sensor measurements are made the number of transmissions of measured data and which internal and external sensors that are connected Broadly the state of the ORB can be divided into three...

Page 42: ...sors GPS o 40mA 0 5s Measurement no external sensors GPS cold start 70mA 54s Transmit WiFi from sleep 97mA 8s Transmit GSM from sleep 120mA 20s 3 5 Battery life Sequip has measured actual power consum...

Page 43: ...um and all transmitting devices are turned o The ORB will exit freight mode when it detects that power has been re connected To enter freight mode access the device webserver by pressing the setup but...

Page 44: ...ORB User Guide Release 1 1 38 Chapter 3 Power Supply...

Page 45: ...ed to measure temperature at 1 minute intervals but only to transmit the temperature once an hour or if a warning or alarm level is exceeded an exception occurs By allowing a more regular measurement...

Page 46: ...which they are scheduled the ORB will not return to sleep and measurements will be sent as fast as possible This is most likely where the GPS and serial devices are enabled Transmit Interval The trans...

Page 47: ...s to allow the user to verify that the ORB is still functional In the case of the internal LiPo battery being low this may indicate a faulty under rated or dirty solar panel or permanent loss of exter...

Page 48: ...lications Enabled device always_on Batch Transmit Tick box Tick this box if messages are to be batched and transmitted together WebServer Always On Tick box Keeps the webserver enabled at all times to...

Page 49: ...which an alert is raised Default 4 8V device batt alert threshold Min 0V Max 100V Lipo Battery Lipo Battery Low Alert Tick box Enable if an alert is to be sent when the Lipo battery level drops below...

Page 50: ...ORB User Guide Release 1 1 44 Chapter 4 General Setup...

Page 51: ...usage monitoring and utilisation calculation To provide more accurate measurement for pitch roll and angle measurement each time the accelerometer is measured 10 samples will be taken at 1 msec interv...

Page 52: ...ng towards the left Figure 5 2 De nition of roll Pitch and roll are useful in applications where objects to which the ORB is attached have a de nite front back left and right for instance a vehicle Fo...

Page 53: ...ill occur on every base interval To reduce power consumption the measurement rate can be turned down by increasing the interval Warning and alarm thresholds for pitch roll and angle can be enabled Onc...

Page 54: ...Pa Relative accuracy 25 to 40 deg C 0 12hPa equivelent to 1m altitude Absolute maximum pressure 20 000hPa 5 2 2 Settings Measurements can be scheduled as a multiple of the base interval The fastest po...

Page 55: ...ctuating temperature A full list of temperature sensor settings is given in the table at the end of the chapter 5 4 GPS Models of the ORB that have GSM connectivity also have an integrated Global Posi...

Page 56: ...ert based on position and speed A known position expected latitude and expected longitude can be speci ed and if the ORB moves a particular radius from that point an alert can be raised Hysteresis can...

Page 57: ...able Ambient Temperature Name text A name for the input that is mean ingful to the user 25 chars ambient name Interval integer The number of base intervals after which the temper ature is sampled A va...

Page 58: ...arm text Alarm thresholds Refer to user guide 90 to 90 Degrees accel pitch alarm Roll Warning text Warning thresh olds Refer to user guide 90 to 90 Degrees accel roll warning Roll Alarm text Alarm thr...

Page 59: ...eger Maximum time the device will wait for a valid GPS x 0 to 3600 Seconds gps maxtime Position Position Alert boolean Sets whether a change in position generates an alert gps position alert enable Ra...

Page 60: ...tes an alert gps speed alert enable Threshold integer An alert will be raised if the device s speed goes above this threshold 1 to 1000 km h gps speed alert threshold Hysteresis integer Once the alert...

Page 61: ...r to measurement to allow sensors time to boot or for measurements to stabilise After measurements are complete the output can be switched o to preserve power this is especially important when running...

Page 62: ...vailable externally powered current output sensors can utilise the ORB switched power source as shown below Switched source 1 and 2 should be con gured to switch on for the minimum amount of time befo...

Page 63: ...ge 1mA Maximum voltage on pins 12V Voltage measurement accuracy 300mV 6 1 2 Settings Measurements can be scheduled as a multiple of the base interval At the interval the current sources will turn on a...

Page 64: ...curacy can be optimised speci cally for 4 20mA devices Select the optimise option to optimise accuracy for 4 20mA sensors Warning and alarm thresholds can be enabled Once enabled each time a measureme...

Page 65: ...ion resistor is to match the impedance of a transmission line to the hardware impedance of the interface to which it is connected Termination is generally not required in lower speed networks 9600 bau...

Page 66: ...be set to GGA In that way any messages starting with DTM GLL GSA or other unwanted messages will be discarded Note If a start string is enabled the ORB will stay awake until the string is received or...

Page 67: ...ment interval to an external device The purpose of the request sting is to request data from an external sensor or system The request string can be a maximum of 10 characters and can be entered as tex...

Page 68: ...low X Now ll the tank by adding another 99 litres high y and note the value being reported by the ORB high X By lling the high and low X and Y values into the calibration constants associated with an...

Page 69: ...e measurement rate is achieved by setting the interval to 1 in which case measurements will occur on every base interval To reduce power consumption the measurement rate can be turned down by increasi...

Page 70: ...at 2 5 volts Hysteresis can be applied to prevent false changes in state if the input voltage crosses the threshold slowly or in the presence of noisy inputs In the example below adding hysteresis pr...

Page 71: ...lso be provided using the internally generated switched power on pin 3 When the switch is open the external pullup drives the pin high When the switch is closed the pin is grounded Connection to an ex...

Page 72: ...for the measurement of duty cycle In duty cycle mode on each measurement interval the duty cycle of a signal on the pin is measured Sensors regularly use duty cycle to communicate percentage of full...

Page 73: ...hen the warning and enable thresholds are in the calibrated units Pulse counting In all modes the number of pulses that have occurred since the ORB was last reset can be measured and reported To enabl...

Page 74: ...s only to the ambient air temperature A thermocouple is comprised of at least two metals joined together to form two junctions One is connected to the body whose temperature is to be measured this is...

Page 75: ...turned down by increasing the interval Warning and alarm thresholds can be enabled Once enabled each time a measurement is completed the returned value will be compared with minimum and maximum warnin...

Page 76: ...value to preset warning and alarm levels To reduce power consumption the measurement rate can be turned down by increasing the interval The ORB CAN bus supports can bit rates of 125 250 500 and 1000...

Page 77: ...nd alarm conditions currently active and can be set to active in the event of a measurement returning an exception When con gured to do so the buzzer or indicator lamp shown in the diagram below will...

Page 78: ...gs A full list of settings for external sensors is given in the table below Name Item Function Range Unit Internal Reference Input 1 Name text A name for the input that is meaningful to the user 25 ch...

Page 79: ...name for the input that is meaningful to the user 25 chars input2 name Interval integer The number of base intervals after which the input is sampled A value of 1 means that the input is collected eve...

Page 80: ...seconds for which the output is held on after it is triggered If set to zero the output remains on while any exceptions are active Seconds output1 hold_time Digital Change Alert boolean If enabled a...

Page 81: ...st text List of IDs to be captured in HEX format separated by a comma eg 18FEE60A Leave blank to capture all 200 chars can1 id_list CAN 2 Name text A name that is meaningful to the user 25 chars can2...

Page 82: ...25 chars current2 name Interval integer The number of base intervals after which the input is sampled A value of 1 means that the input is collected every base interval Set to 0 to disable 0 to 10000...

Page 83: ...ta will be captured If nothing is speci ed the serial port will capture all data until the timeout period is reached 32 chars serial1 capture start Idle Time Before Start integer For a valid start con...

Page 84: ...on paramters for Modbus Channel 2 Refer to user guide 30 chars mod2 cal Modbus 2 Unit text The unit of measure associated with the calibration Examples Percent L hr Meters mod2 unit Warning text Warni...

Page 85: ...Settings for Modbus Channel 6 Refer to user guide 18 chars mod6 settings Modbus 6 Calibration text Calibration paramters for Modbus Channel 6 Refer to user guide 30 chars mod6 cal MODBUS 7 Modbus 7 S...

Page 86: ...ORB User Guide Release 1 1 80 Chapter 6 External Sensors...

Page 87: ...ther Wi Fi device The ORB Wi Fi implementation supports Wi Fi 802 11 b g n The Wi Fi antenna is integrated into the ORB In typical applications the range achievable with Wi Fi is 500m 7 2 GSM Speci ca...

Page 88: ...your settings press OK Figure 7 1 Save changes and reboot After a reboot the ORB will attempt to connect to the speci ed Wi Fi network You can check if the ORB has successfully connected to the chose...

Page 89: ...e to be always on by setting the web setting to ON This may be an advantage in systems where permanent power is avail able and the user wants to be able to make remote changes directly on the ORB with...

Page 90: ...cations with the Senquip Portal are established on this port OTA update 80 Over the Air OTA is a method by which the ORB software can be remotely updated To enable remote software upgrades of the ORB...

Page 91: ...tem Function Internal Reference Wi Fi Wi boolean Connect to existing Wi connection speci ed below wi sta enable SSID text Wi SSID to connect to wi sta ssid Password password Wi password to use for con...

Page 92: ...ORB User Guide Release 1 1 86 Chapter 7 Network Connection...

Page 93: ...cates make sure that any messages or data transferred to and from ORBs are not altered To ensure the highest levels of each of the three levels of trust Senquip uses a NIST validated ultra secure har...

Page 94: ...al do not need to understand the data format data can be viewed on the Senquip Portal numerically or graphically or can be downloaded in spreadsheet format If required further details of the ORB data...

Page 95: ...gured with CA certi cates to allow secure communications with a customer server 8 7 MQTT MQTT is a secure machine to machine M2M Internet of Things connectivity protocol speci cally designed for low d...

Page 96: ...stamp setting to ON in which case the ORB will insert an additional time and date eld formatted in human readable format as below DD MM YYYY hh mm ss for example 27 06 2018 17 30 15 Time is UTC coordi...

Page 97: ...oolean Enables sending data over UDP to speci ed address below endpoint udp enable UDP Address text Address and port to send data to endpoint udp address HTTP HTTP POST boolean Enables sending data vi...

Page 98: ...ORB User Guide Release 1 1 92 Chapter 8 Endpoint Setup...

Page 99: ...will mean that no settings or rmware updates will be able to be performed remotely using the Senquip Portal Connection with the Senquip Portal is achieved using an MQTT connection To ensure the highe...

Page 100: ...into logical cate gories Where GPS on an ORB is enabled that ORB will be shown on a map below the list of devices Note that where exceptions are present they will be shown in the Events column to see...

Page 101: ...e The Device ID should look something like 7DA540190 9 1 3 View ORB data View the data associated with an ORB by clicking on the ORB s Name or Device ID After a few seconds a dashboard associated with...

Page 102: ...t the associated data is Note Any alerts warnings or alarms currently present on the selected ORB will be shown in the rst tile on the dashboard Figure 9 3 ORB Dashboard Click on the graph icon at the...

Page 103: ...er term trends between date ranges Gauge Useful when representing measurements that must exist within a range Can be scaled so that the pointer is vertical under normal conditions Warning and alarm le...

Page 104: ...View View Data Yes Yes Yes View Users Yes Yes Yes Change Device Settings Yes Yes Data Add Remove Users Yes Warning Anyone who has the ORB device ID and setup password can add the device to their acco...

Page 105: ...dates Senquip will routinely make rmware updates to enable new features enhance security and x bugs ORB rmware can be updated via the Senquip Portal To update the rmware press the Update button on the...

Page 106: ...y go wrong during a rmware update it is not recom mended that rmware be updated unless it is suggested by Senquip or a speci c new feature is required 9 1 8 Event reporting Use the Events page on the...

Page 107: ...ed by most ORB customers A premium plan adds long term data storage faster data acquisition rates API access and enhanced user management Free standard and premium access are described in the table be...

Page 108: ...r the most up to date feature list and to purchase a premium account please visit https portal sen quip com or contact your preferred distributor ORB User Guide Release 1 1 102 Chapter 9 Senquip Porta...

Page 109: ...n 10 1 Mechanical drawings Critical dimensions for the ORB mounting plate and mounting hardware are given below Full three dimensional models are available on request Figure 10 1 Dimensioned front vie...

Page 110: ...Figure 10 2 Dimensioned side view ORB User Guide Release 1 1 104 Chapter 10 Mechanical Speci cation...

Page 111: ...Figure 10 3 Dimensioned side view including mounting brackets ORB User Guide Release 1 1 10 1 Mechanical drawings 105...

Page 112: ...ottom view 10 2 Mechanical Fittings The following screws and seals are used on the ORB Spare parts if required are available from Senquip Location Size Length Max depth Fastening method Screws ORB Use...

Page 113: ...he enclosure only use glands that have been provided by Senquip 10 3 Environmental The ORB is designed for use in harsh outdoor environments and is suitable for use in industrial mining eet and agricu...

Page 114: ...rior of the enclosure and the envi ronment meaning that the ORB can be shipped in non pressurised environments such as some aircraft 10 4 Material Speci cation The enclosure and all ttings have been c...

Page 115: ...ile Butadiene Rubber NBR Captive cover screws Stainless steel 304 Cable Gland Polyamide Gland insert Nitrile Butadiene Rubber NBR Optional Mounting plate Stainless steel 316 ORB User Guide Release 1 1...

Page 116: ...ORB User Guide Release 1 1 110 Chapter 10 Mechanical Speci cation...

Page 117: ...suitability trained service personnel Only LiPo batteries supplied by Senquip should be used Senquip LiPo batteries contain temperature sensing and protection circuitry to ensure safe operation of th...

Page 118: ...e LEDs and con guration switches Figure 11 1 LEDs and con guration switches Remove the 4 AA batteries and if permanently powered make sure that power to the ORB is switched o Disconnect all wiring fro...

Page 119: ...e battery cover by removing the 4 Torx head screws using aTorx T10 driver holding screws as shown in the diagram below Note that by removing the battery cover sensitive elec tronics may be exposed The...

Page 120: ...uit board or components to static electricity The LiPo battery is plugged into a polarised 3 pin JST connector Gently remove the battery plug by pulling on the 3 wires ensuring that the direction of p...

Page 121: ...Battery Note carefully the polarisation of the 3 way battery plug and be sure to insert the replacement battery with the same polarity Figure 11 5 Battery plug removed ORB User Guide Release 1 1 11 1...

Page 122: ...supplied by Senquip will ship with replacement double sided tape Figure 11 6 Remove the old tape Note Used LiPo batteries can be dangerous and are harmful to the environment and should only be dispose...

Page 123: ...reporting to the Senquip Portal but has stopped Login to the Senquip Portal and check the last events that were sent by the ORB Figure 12 1 Status showing supply voltage low If as in the example abov...

Page 124: ...e seen from the data provided in the protal that on December the 30th the solar supply voltage never reached a point where it was able to power the ORB or charge its internal Lipo battery Figure 12 3...

Page 125: ...all stored settings and re connect to the network Check your setting to ensure they are correct make sure for instance that contact with the Portal is allowed and that the remote setting has not been...

Page 126: ...etered hibernate mode Of more concern is the tamper alert it indicates that the ORB lid is open and should be investigated immediately Check the signal strength on the Portal Use the back and forward...

Page 127: ...ed to be opened to check the status lights Once opened the status and network lights will illuminate when the ORB wakes up If both lights remain o then the ORB has likely lost power and the internal L...

Page 128: ...browse the ORB s webserver If you can then the ORB is connected to your Wi Fi network Further Wi Fi checks if you can browse your ORB s webserver on your Wi Fi network Check that the required ports ar...

Page 129: ...olar panel frame will be ok The better the ORBs view of the sky the better the GPS x will be To check the quality of the GPS x visit the Senquip Portal or activate the in built webserver The Number of...

Page 130: ...ORB User Guide Release 1 1 124 Chapter 12 Troubleshooting Guide...

Page 131: ...ies such as 2G 3G or LTE Cat 1 3G 4G 3G was the rst high speed cellular network and is a name that refers to a number of technologies that meet IMT 2000 standards 4G is the generation of cellular stan...

Page 132: ...nd physical measurement LiPo A lithium polymer battery or more correctly lithium ion polymer battery abbreviated as LiPo is a rechargeable battery of lithium ion technology using a polymer electrolyte...

Page 133: ...Index Symbols 3G 4G 125 A ASCII 125 C certi cate authority 125 J JSON 125 jubilee clips 125 L LiPo 126 LTE M1 125 M MODBUS 125 N NIST 126 127...

Page 134: ...ORB User Guide Release 1 1 128 Index...

Page 135: ...Index Symbols 3G 4G 125 A ASCII 125 C certi cate authority 125 J JSON 125 jubilee clips 125 L LiPo 126 LTE M1 125 M MODBUS 125 N NIST 126 129...

Page 136: ......

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