Changes for page DS03A-LB/LS -- Outdoor LoRaWAN Door Sensor User Manual
Last modified by Mengting Qiu on 2025/01/10 09:53
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... ... @@ -22,41 +22,41 @@ 22 22 23 23 = 1. Introduction = 24 24 25 -== 1.1 What is DS03A-LB LoRaWAN Door Sensor ==25 +== 1.1 What is LoRaWAN Door Sensor == 26 26 27 27 28 28 ((( 29 -The Dragino DS03A-LB is a (% style="color:blue" %)**LoRaWAN Door Sensor**(%%) for Internet of Things solution. It detects door open/close status and uplinks to IoT server via LoRaWAN network. user can see the door status, open duration, open counts in the IoT Server. 29 +The Dragino DS03A-LB/LS is a (% style="color:blue" %)**LoRaWAN Door Sensor**(%%) for Internet of Things solution. It detects door open/close status and uplinks to IoT server via LoRaWAN network. user can see the door status, open duration, open counts in the IoT Server. 30 30 ))) 31 31 32 32 ((( 33 -The LoRa wireless technology used in DS03A-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 33 +The LoRa wireless technology used in DS03A-LB/LS allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 34 34 ))) 35 35 36 36 ((( 37 -The DS03A-LB will send periodically data every 2 hours as well as for each door open/close action. It also counts the door open times and calculates the last door open duration. Users can also disable the uplink for each open/close event, instead, DS03A-LB can count each open event and uplink periodically. 37 +The DS03A-LB/LS will send periodically data every 2 hours as well as for each door open/close action. It also counts the door open times and calculates the last door open duration. Users can also disable the uplink for each open/close event, instead, DS03A-LB/LS can count each open event and uplink periodically. 38 38 ))) 39 39 40 40 ((( 41 -DS03A-LB supports (% style="color:blue" %)**Datalog Feature,**(%%) it can save the data when there is no LoRaWAN network and uplink when network recover. 41 +DS03A-LB/LS supports (% style="color:blue" %)**Datalog Feature,**(%%) it can save the data when there is no LoRaWAN network and uplink when network recover. 42 42 ))) 43 43 44 44 ((( 45 -DS03A-LB has the (% style="color:blue" %)**Open Alarm Feature**(%%), user can set this feature so the device will send an alarm if the door has been open for a certain time. 45 +DS03A-LB/LS has the (% style="color:blue" %)**Open Alarm Feature**(%%), user can set this feature so the device will send an alarm if the door has been open for a certain time. 46 46 47 -DS03A-LB is designed for outdoor use. It has a weatherproof enclosure and industrial level battery to work in low to high temperatures 47 +DS03A-LB/LS is designed for outdoor use. It has a weatherproof enclosure and industrial level battery to work in low to high temperatures 48 48 ))) 49 49 50 50 ((( 51 -DS03A-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use. 51 +DS03A-LB/LS (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use. 52 52 ))) 53 53 54 54 ((( 55 -DS03A-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery **(%%)or (% style="color:blue" %)**solar powered + li-on battery**(%%), it is designed for long term use up to 5 years. 55 +DS03A-LB/LS is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery **(%%)or (% style="color:blue" %)**solar powered + li-on battery**(%%), it is designed for long term use up to 5 years. 56 56 ))) 57 57 58 58 ((( 59 -Each DS03A-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on. 59 +Each DS03A-LB/LS is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on. 60 60 ))) 61 61 62 62 ... ... @@ -129,7 +129,7 @@ 129 129 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20240103160425-4.png?rev=1.1||alt="image-20240103160425-4.png"]] 130 130 131 131 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %) 132 -|=(% style="width: 167px;background-color:# D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**132 +|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 226px;background-color:#4F81BD;color:white" %)**Action** 133 133 |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)((( 134 134 If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once. 135 135 Meanwhile, BLE module will be active and user can connect via BLE to configure device. ... ... @@ -144,7 +144,7 @@ 144 144 == 1.7 BLE connection == 145 145 146 146 147 -DS03A-LB support BLE remote configure. 147 +DS03A-LB/LS support BLE remote configure. 148 148 149 149 150 150 BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case: ... ... @@ -188,12 +188,12 @@ 188 188 * Wood Door: 10mm ~~ 30mm 189 189 * Iron Door: 30 ~~ 45mm 190 190 191 -= 2. Configure DS03A-LB to connect to LoRaWAN network = 191 += 2. Configure DS03A-LB/LS to connect to LoRaWAN network = 192 192 193 193 == 2.1 How it works == 194 194 195 195 196 -The DS03A-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DS03A-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 2 hours. 196 +The DS03A-LB/LS is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DS03A-LB/LS. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 2 hours. 197 197 198 198 199 199 == 2.2 Quick guide to connect to LoRaWAN server (OTAA) == ... ... @@ -206,9 +206,9 @@ 206 206 [[image:image-20230522092858-1.png||height="391" width="874"]] 207 207 208 208 209 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS03A-LB. 209 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DS03A-LB/LS. 210 210 211 -Each DS03A-LB is shipped with a sticker with the default device EUI as below: 211 +Each DS03A-LB/LS is shipped with a sticker with the default device EUI as below: 212 212 213 213 [[image:image-20230426085205-1.png||height="238" width="512"]] 214 214 ... ... @@ -238,10 +238,10 @@ 238 238 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675144157838-392.png?rev=1.1||alt="1675144157838-392.png"]] 239 239 240 240 241 -(% style="color:blue" %)**Step 2:**(%%) Activate on DS03A-LB 241 +(% style="color:blue" %)**Step 2:**(%%) Activate on DS03A-LB/LS 242 242 243 243 244 -Press the button for 5 seconds to activate the DS03A-LB. 244 +Press the button for 5 seconds to activate the DS03A-LB/LS. 245 245 246 246 (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to Join LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network. 247 247 ... ... @@ -253,9 +253,9 @@ 253 253 === 2.3.1 Device Status, FPORT~=5 === 254 254 255 255 256 -Include device configure status. Once DS03A-LB Joined the network, it will uplink this message to the server. After that, DS03A-LB will uplink Device Status every 12 hours. 256 +Include device configure status. Once DS03A-LB/LS Joined the network, it will uplink this message to the server. After that, DS03A-LB/LS will uplink Device Status every 12 hours. 257 257 258 -Users can also use the downlink command**(0x26 01)** to ask DS03A-LB to resend this uplink. This uplink payload also includes the DeviceTimeReq to get time. 258 +Users can also use the downlink command**(0x26 01)** to ask DS03A-LB/LS to resend this uplink. This uplink payload also includes the DeviceTimeReq to get time. 259 259 260 260 261 261 The Payload format is as below. ... ... @@ -270,7 +270,7 @@ 270 270 [[image:image-20230630155406-1.png||height="190" width="873"]] 271 271 272 272 273 -(% style="color:#037691" %)**Sensor Model**(%%): For DS03A-LB, this value is 0x1B 273 +(% style="color:#037691" %)**Sensor Model**(%%): For DS03A-LB/LS, this value is 0x1B 274 274 275 275 (% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version 276 276 ... ... @@ -326,7 +326,7 @@ 326 326 === 2.3.2 Sensor Configuration, FPORT~=4 === 327 327 328 328 329 -DS03A-LB will only send this command after getting the downlink command **(0x26 02)** from the server. 329 +DS03A-LB/LS will only send this command after getting the downlink command **(0x26 02)** from the server. 330 330 331 331 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %) 332 332 |(% colspan="8" style="background-color:#d9e2f3; color:#0070c0; width:515px" %)**Sensor Configuration FPORT=4** ... ... @@ -357,9 +357,9 @@ 357 357 (% style="color:blue" %)**Disalarm: (default: 0)** 358 358 ))) 359 359 360 - **If Disalarm = 1**, DS03A-LB will only send uplink at every TDC periodically. This is normally use for pulse meter application, in this application, there are many open/close event, and platform only care about the total number of pulse. 360 + **If Disalarm = 1**, DS03A-LB/LS will only send uplink at every TDC periodically. This is normally use for pulse meter application, in this application, there are many open/close event, and platform only care about the total number of pulse. 361 361 362 - **If Disalarm = 0**, DS03A-LB will send uplink at every TDC periodically and send data on each open/close event. This is useful for the application user need to monitor the open/close event in real-time. 362 + **If Disalarm = 0**, DS03A-LB/LS will send uplink at every TDC periodically and send data on each open/close event. This is useful for the application user need to monitor the open/close event in real-time. 363 363 364 364 365 365 (% style="color:red" %)** Note: When Disalarm=0, a high frequently open/close event will cause lots of uplink and drain battery very fast. ** ... ... @@ -383,7 +383,7 @@ 383 383 === 2.3.3 Real-Time Open/Close Status, Uplink FPORT~=2 === 384 384 385 385 386 -DS03A-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS03A-LB will send uplinks when: 386 +DS03A-LB/LS will send this uplink **after** Device Status once join the LoRaWAN network successfully. And DS03A-LB/LS will send uplinks when: 387 387 388 388 * Every 2 hours, this interval [[can be changed>>||anchor="H3.3.1A0SetTransmitIntervalTime"]]. 389 389 * There is an Open/Close event. (This info can be disabled by AT+DISALARM=1) ... ... @@ -559,7 +559,7 @@ 559 559 === 2.3.4 Historical Door Open/Close Event, FPORT~=3 === 560 560 561 561 562 -DS03A-LB stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5DatalogFeature"]]. 562 +DS03A-LB/LS stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5DatalogFeature"]]. 563 563 564 564 The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time open/close status. 565 565 ... ... @@ -587,7 +587,7 @@ 587 587 ))) 588 588 589 589 * ((( 590 -Each data entry is 11 bytes and has the same structure as [[Real-Time open/close status>>||anchor="H2.3.3A0Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2"]], to save airtime and battery, DS03A-LB will send max bytes according to the current DR and Frequency bands. 590 +Each data entry is 11 bytes and has the same structure as [[Real-Time open/close status>>||anchor="H2.3.3A0Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2"]], to save airtime and battery, DS03A-LB/LS will send max bytes according to the current DR and Frequency bands. 591 591 ))) 592 592 593 593 For example, in the US915 band, the max payload for different DR is: ... ... @@ -659,7 +659,7 @@ 659 659 == 2.5 Datalog Feature == 660 660 661 661 662 -(% style="color:blue" %)**Datalog Feature** (%%)is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DS03A-LB will store the reading for future retrieving purposes. 662 +(% style="color:blue" %)**Datalog Feature** (%%)is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DS03A-LB/LS will store the reading for future retrieving purposes. 663 663 664 664 (% style="color:red" %)**Note:After the device is reset,in cumulative counting mode,the last stored count value will be read as the initial value.** 665 665 ... ... @@ -667,20 +667,17 @@ 667 667 === 2.5.1 Ways to get datalog via LoRaWAN === 668 668 669 669 670 -Set PNACKMD=1, DS03A-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DS03A-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery. 670 +Set PNACKMD=1, DS03A-LB/LS will wait for ACK for every uplink, when there is no LoRaWAN network, DS03A-LB/LS will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery. 671 671 672 -* a) DS03A-LB will do an ACK check for data records sending to make sure every data arrive server. 673 -* b) DS03A-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DS03A-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DS03A-LB gets a ACK, DS03A-LB will consider there is a network connection and resend all NONE-ACK Message. 672 +* a) DS03A-LB/LS will do an ACK check for data records sending to make sure every data arrive server. 673 +* b) DS03A-LB/LS will send data in **CONFIRMED Mode** when PNACKMD=1, but DS03A-LB/LS won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DS03A-LB/LS gets a ACK, DS03A-LB/LS will consider there is a network connection and resend all NONE-ACK Message. 674 674 675 -Below is the typical case for the Datalog Feature (Set PNACKMD=1) 676 676 677 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="image-20220703111700-2.png" height="381" width="1119"]] 678 678 679 - 680 680 === 2.5.2 Unix TimeStamp === 681 681 682 682 683 -DS03A-LB uses Unix TimeStamp format based on 680 +DS03A-LB/LS uses Unix TimeStamp format based on 684 684 685 685 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="image-20220523001219-11.png" height="97" width="627"]] 686 686 ... ... @@ -698,7 +698,7 @@ 698 698 699 699 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. 700 700 701 -Once DS03A-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DS03A-LB. If DS03A-LB fails to get the time from the server, DS03A-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days). 698 +Once DS03A-LB/LS Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DS03A-LB/LS. If DS03A-LB/LS fails to get the time from the server, DS03A-LB/LS will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days). 702 702 703 703 (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN v3 and loriot support but TTN v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN v2 if SYNCMOD=1.** 704 704 ... ... @@ -711,7 +711,7 @@ 711 711 712 712 (% style="color:blue" %)**Step 1:**(%%)** Link TTNv3 to Datacake.**[[https:~~/~~/docs.datacake.de/lorawan/lns/thethingsindustries#create-integration-on-tti>>url:https://docs.datacake.de/lorawan/lns/thethingsindustries#create-integration-on-tti]] 713 713 714 -(% style="color:blue" %)**Step 2:**(%%)** Configure DS03A-LB in Datacake.** 711 +(% style="color:blue" %)**Step 2:**(%%)** Configure DS03A-LB/LS in Datacake.** 715 715 716 716 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS03A%20-%20Outdoor%20LoRaWAN%20OpenClose%20Door%20Sensor%20Manual/WebHome/1654746350207-427.png?rev=1.1||alt="1654746350207-427.png"]] 717 717 ... ... @@ -746,7 +746,7 @@ 746 746 == 2.7 Frequency Plans == 747 747 748 748 749 -The DS03A-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets. 746 +The DS03A-LB/LS uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets. 750 750 751 751 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 752 752 ... ... @@ -757,12 +757,12 @@ 757 757 **Firmware download link: **[[https:~~/~~/www.dropbox.com/sh/b0uwyzjs4px4eao/AADvI7fPRwsFKTglEmaRRuaaa?dl=0>>https://www.dropbox.com/sh/b0uwyzjs4px4eao/AADvI7fPRwsFKTglEmaRRuaaa?dl=0]] 758 758 759 759 760 -= 3. Configure DS03A-LB = 757 += 3. Configure DS03A-LB/LS = 761 761 762 762 == 3.1 Configure Methods: == 763 763 764 764 765 -DS03A-LB supports below configure method: 762 +DS03A-LB/LS supports below configure method: 766 766 767 767 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]. 768 768 * AT Command via UART Connection : See [[Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]. ... ... @@ -781,10 +781,10 @@ 781 781 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]] 782 782 783 783 784 -== 3.3 Commands special design for DS03A-LB == 781 +== 3.3 Commands special design for DS03A-LB/LS == 785 785 786 786 787 -These commands only valid for DS03A-LB, as below: 784 +These commands only valid for DS03A-LB/LS, as below: 788 788 789 789 790 790 === 3.3.1 Set Transmit Interval Time === ... ... @@ -867,7 +867,7 @@ 867 867 === 3.3.4 Alarm Base on Timeout === 868 868 869 869 870 -DS03A-LB can monitor the timeout for a status change, this feature can be used to monitor some events such as door opening too long etc. Related Parameters are: 867 +DS03A-LB/LS can monitor the timeout for a status change, this feature can be used to monitor some events such as door opening too long etc. Related Parameters are: 871 871 872 872 * ((( 873 873 (% style="color:blue" %)**Keep Status: Status to be monitor** ... ... @@ -909,9 +909,9 @@ 909 909 (% style="color:blue" %)**AT Command to configure:** 910 910 911 911 * ((( 912 -(% style="color:#037691" %)**AT+TTRIG1=1,30** (%%) **~-~->** When the **Keep Status** change from close to open, and device remains in open status for more than 30 seconds. DS03A-LB will send an uplink packet, the Alarm1 bit(the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1. 909 +(% style="color:#037691" %)**AT+TTRIG1=1,30** (%%) **~-~->** When the **Keep Status** change from close to open, and device remains in open status for more than 30 seconds. DS03A-LB/LS will send an uplink packet, the Alarm1 bit(the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1. 913 913 914 -(% style="color:#037691" %)**AT+TTRIG1=0,30** (%%) **~-~->** When the **Keep Status** change from open to close, and device remains in open status for more than 30 seconds. DS03A-LB will send an uplink packet, the Alarm1 bit (the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1. 911 +(% style="color:#037691" %)**AT+TTRIG1=0,30** (%%) **~-~->** When the **Keep Status** change from open to close, and device remains in open status for more than 30 seconds. DS03A-LB/LS will send an uplink packet, the Alarm1 bit (the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1. 915 915 ))) 916 916 917 917 * ((( ... ... @@ -931,9 +931,9 @@ 931 931 (% style="color:blue" %)**AT Command to configure:** 932 932 933 933 * ((( 934 -(% style="color:#037691" %)**AT+TTRIG2=1,30** (%%) **~-~->** When the **Keep Status** change from close to open, and device remains in open status for more than 30 seconds. DS03A-LB will send an uplink packet, the Alarm2 bit (the second bit of 12^^st^^ byte of payload) on this uplink packet is set to 1. 931 +(% style="color:#037691" %)**AT+TTRIG2=1,30** (%%) **~-~->** When the **Keep Status** change from close to open, and device remains in open status for more than 30 seconds. DS03A-LB/LS will send an uplink packet, the Alarm2 bit (the second bit of 12^^st^^ byte of payload) on this uplink packet is set to 1. 935 935 936 -(% style="color:#037691" %)**AT+TTRIG2=0,30** (%%) **~-~->** When the **Keep Status** change from open to close, and device remains in open status for more than 30 seconds. DS03A-LB will send an uplink packet, the Alarm2 bit (the second bit of 12^^st^^ byte of payload) on this uplink packet is set to 1. 933 +(% style="color:#037691" %)**AT+TTRIG2=0,30** (%%) **~-~->** When the **Keep Status** change from open to close, and device remains in open status for more than 30 seconds. DS03A-LB/LS will send an uplink packet, the Alarm2 bit (the second bit of 12^^st^^ byte of payload) on this uplink packet is set to 1. 937 937 ))) 938 938 939 939 * ((( ... ... @@ -1132,7 +1132,7 @@ 1132 1132 = 5. OTA firmware update = 1133 1133 1134 1134 1135 -User can change firmware DS03A-LB to: 1132 +User can change firmware DS03A-LB/LS to: 1136 1136 1137 1137 * Change Frequency band/ region. 1138 1138 * Update with new features.