Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -21,6 +21,7 @@ 21 21 22 22 == 1.1 What is the LT-22222-L I/O Controller? == 23 23 24 + 24 24 ((( 25 25 ((( 26 26 {{info}} ... ... @@ -97,8 +97,10 @@ 97 97 * Automatic RF Sense and CAD with ultra-fast AFC. 98 98 * Packet engine up to 256 bytes with CRC. 99 99 101 + 100 100 == 1.3 Features == 101 101 104 + 102 102 * LoRaWAN Class A & Class C modes 103 103 * Optional Customized LoRa Protocol 104 104 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869 ... ... @@ -107,8 +107,10 @@ 107 107 * Firmware upgradable via program port 108 108 * Counting 109 109 113 + 110 110 == 1.4 Applications == 111 111 116 + 112 112 * Smart buildings & home automation 113 113 * Logistics and supply chain management 114 114 * Smart metering ... ... @@ -116,14 +116,15 @@ 116 116 * Smart cities 117 117 * Smart factory 118 118 124 + 119 119 == 1.5 Hardware Variants == 120 120 121 121 122 -(% border="1" cellspacing="3" style=" background-color:#f2f2f2;width:510px" %)128 +(% border="1" cellspacing="3" style="width:510px" %) 123 123 |(% style="background-color:#4f81bd; color:white; width:94px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:172px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:244px" %)**Description** 124 124 |(% style="width:94px" %)**LT-22222-L**|(% style="width:172px" %)((( 125 125 (% style="text-align:center" %) 126 -[[image:lt33222-l.jpg||height="11 6" width="100"]]132 +[[image:lt33222-l.jpg||height="110" width="95"]] 127 127 )))|(% style="width:256px" %)((( 128 128 * 2 x Digital Input (Bi-direction) 129 129 * 2 x Digital Output ... ... @@ -133,10 +133,12 @@ 133 133 * 1 x Counting Port 134 134 ))) 135 135 142 + 136 136 = 2. Assembling the device = 137 137 138 138 == 2.1 Connecting the antenna == 139 139 147 + 140 140 Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise. 141 141 142 142 {{warning}} ... ... @@ -143,35 +143,37 @@ 143 143 **Warning! Do not power on the device without connecting the antenna.** 144 144 {{/warning}} 145 145 154 + 146 146 == 2.2 Terminals == 147 147 157 + 148 148 The LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 screw terminals and the lower screw terminal block has 10 screw terminals. 149 149 150 150 **Upper screw terminal block (from left to right):** 151 151 152 -(% style="width: 634px" %)153 -|=(% style="width: 295px;" %)Screw Terminal|=(% style="width:338px;" %)Function154 -|(% style="width: 295px" %)GND|(% style="width:338px" %)Ground155 -|(% style="width: 295px" %)VIN|(% style="width:338px" %)Input Voltage156 -|(% style="width: 295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2157 -|(% style="width: 295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1158 -|(% style="width: 295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2159 -|(% style="width: 295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1162 +(% border="1" cellspacing="3" style="width:381px;background-color:#f2f2f2" %) 163 +|=(% style="width: 139px;background-color:#4f81bd;color:white" %)Screw Terminal|=(% style="width: 242px;background-color:#4f81bd" %)Function 164 +|(% style="width:139px" %)GND|(% style="width:242px" %)Ground 165 +|(% style="width:139px" %)VIN|(% style="width:242px" %)Input Voltage 166 +|(% style="width:139px" %)AVI2|(% style="width:242px" %)Analog Voltage Input Terminal 2 167 +|(% style="width:139px" %)AVI1|(% style="width:242px" %)Analog Voltage Input Terminal 1 168 +|(% style="width:139px" %)ACI2|(% style="width:242px" %)Analog Current Input Terminal 2 169 +|(% style="width:139px" %)ACI1|(% style="width:242px" %)Analog Current Input Terminal 1 160 160 161 161 **Lower screw terminal block (from left to right):** 162 162 163 -(% style="width: 633px" %)164 -|=(% style="width: 2 96px;" %)Screw Terminal|=(% style="width:334px;" %)Function165 -|(% style="width:2 96px" %)RO1-2|(% style="width:334px" %)Relay Output 1166 -|(% style="width:2 96px" %)RO1-1|(% style="width:334px" %)Relay Output 1167 -|(% style="width:2 96px" %)RO2-2|(% style="width:334px" %)Relay Output 2168 -|(% style="width:2 96px" %)RO2-1|(% style="width:334px" %)Relay Output 2169 -|(% style="width:2 96px" %)DI2+|(% style="width:334px" %)Digital Input 2170 -|(% style="width:2 96px" %)DI2-|(% style="width:334px" %)Digital Input 2171 -|(% style="width:2 96px" %)DI1+|(% style="width:334px" %)Digital Input 1172 -|(% style="width:2 96px" %)DI1-|(% style="width:334px" %)Digital Input 1173 -|(% style="width:2 96px" %)DO2|(% style="width:334px" %)Digital Output 2174 -|(% style="width:2 96px" %)DO1|(% style="width:334px" %)Digital Output 1173 +(% border="1" cellspacing="3" style="width:253px;background-color:#f2f2f2" %) 174 +|=(% style="width: 125px;background-color:#4f81bd;color:white" %)Screw Terminal|=(% style="width: 128px;background-color:#4f81bd;color:white" %)Function 175 +|(% style="width:125px" %)RO1-2|(% style="width:128px" %)Relay Output 1 176 +|(% style="width:125px" %)RO1-1|(% style="width:128px" %)Relay Output 1 177 +|(% style="width:125px" %)RO2-2|(% style="width:128px" %)Relay Output 2 178 +|(% style="width:125px" %)RO2-1|(% style="width:128px" %)Relay Output 2 179 +|(% style="width:125px" %)DI2+|(% style="width:128px" %)Digital Input 2 180 +|(% style="width:125px" %)DI2-|(% style="width:128px" %)Digital Input 2 181 +|(% style="width:125px" %)DI1+|(% style="width:128px" %)Digital Input 1 182 +|(% style="width:125px" %)DI1-|(% style="width:128px" %)Digital Input 1 183 +|(% style="width:125px" %)DO2|(% style="width:128px" %)Digital Output 2 184 +|(% style="width:125px" %)DO1|(% style="width:128px" %)Digital Output 1 175 175 176 176 == 2.3 Connecting LT-22222-L to a Power Source == 177 177 ... ... @@ -868,6 +868,7 @@ 868 868 869 869 == 3.4 Configure LT-22222-L via AT Commands or Downlinks == 870 870 881 + 871 871 ((( 872 872 You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks. 873 873 ))) ... ... @@ -884,17 +884,22 @@ 884 884 885 885 === 3.4.1 Common commands === 886 886 898 + 887 887 ((( 888 888 These are available for each sensors and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s. 901 + 902 + 889 889 ))) 890 890 891 891 === 3.4.2 Sensor-related commands === 892 892 907 + 893 893 These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload. 894 894 895 895 896 896 ==== 3.4.2.1 Set Transmit/Uplink Interval ==== 897 897 913 + 898 898 Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes. 899 899 900 900 (% style="color:#037691" %)**AT command** ... ... @@ -941,6 +941,7 @@ 941 941 942 942 ==== 3.4.2.2 Set the Working Mode (AT+MOD) ==== 943 943 960 + 944 944 Sets the working mode. 945 945 946 946 (% style="color:#037691" %)**AT command** ... ... @@ -998,6 +998,7 @@ 998 998 999 999 ==== 3.4.2.3 Request an uplink from the device ==== 1000 1000 1018 + 1001 1001 Requests an uplink from LT-22222-L. The content of the uplink payload varies based on the device's current working mode. 1002 1002 1003 1003 (% style="color:#037691" %)**AT command** ... ... @@ -1017,6 +1017,7 @@ 1017 1017 1018 1018 ==== 3.4.2.4 Enable/Disable Trigger Mode ==== 1019 1019 1038 + 1020 1020 Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]). 1021 1021 1022 1022 (% style="color:#037691" %)**AT Command** ... ... @@ -1054,6 +1054,7 @@ 1054 1054 1055 1055 ==== 3.4.2.5 Request trigger settings ==== 1056 1056 1076 + 1057 1057 Requests the trigger settings. 1058 1058 1059 1059 (% style="color:#037691" %)**AT Command:** ... ... @@ -1073,6 +1073,7 @@ 1073 1073 1074 1074 ==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ==== 1075 1075 1096 + 1076 1076 Enable or disable DI1/DI2/DI3 as a trigger. 1077 1077 1078 1078 (% style="color:#037691" %)**AT Command** ... ... @@ -1127,9 +1127,9 @@ 1127 1127 1128 1128 ==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ==== 1129 1129 1151 + 1130 1130 Sets DI1 or DI3 (for LT-33222-L) as a trigger. 1131 1131 1132 - 1133 1133 (% style="color:#037691" %)**AT Command** 1134 1134 1135 1135 (% border="2" style="width:500px" %) ... ... @@ -1166,9 +1166,9 @@ 1166 1166 1167 1167 ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ==== 1168 1168 1190 + 1169 1169 Sets DI2 as a trigger. 1170 1170 1171 - 1172 1172 (% style="color:#037691" %)**AT Command** 1173 1173 1174 1174 (% border="2" style="width:500px" %) ... ... @@ -1200,6 +1200,7 @@ 1200 1200 1201 1201 ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ==== 1202 1202 1224 + 1203 1203 Sets the current trigger based on the AC port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1204 1204 1205 1205 (% style="color:#037691" %)**AT Command** ... ... @@ -1249,6 +1249,7 @@ 1249 1249 1250 1250 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 1251 1251 1274 + 1252 1252 Sets the current trigger based on the AV port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 1253 1253 1254 1254 (% style="color:#037691" %)**AT Command** ... ... @@ -1296,6 +1296,7 @@ 1296 1296 1297 1297 ==== 3.4.2.11 Trigger – Set minimum interval ==== 1298 1298 1322 + 1299 1299 Sets the AV and AC trigger minimum interval. The device won't respond to a second trigger within this set time after the first trigger. 1300 1300 1301 1301 (% style="color:#037691" %)**AT Command** ... ... @@ -1331,6 +1331,7 @@ 1331 1331 1332 1332 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1333 1333 1358 + 1334 1334 Controls the digital outputs DO1, DO2, and DO3 1335 1335 1336 1336 (% style="color:#037691" %)**AT Command** ... ... @@ -1493,6 +1493,7 @@ 1493 1493 1494 1494 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1495 1495 1521 + 1496 1496 Controls the relay output time. 1497 1497 1498 1498 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1692,6 +1692,7 @@ 1692 1692 1693 1693 ==== 3.4.2.19 Counting ~-~- Set Saving Interval for 'Counting Result' ==== 1694 1694 1721 + 1695 1695 This command allows you to configure the device to save its counting result to internal flash memory at specified intervals. By setting a save time, the device will periodically store the counting data to prevent loss in case of power failure. The save interval can be adjusted to suit your requirements, with a minimum value of 30 seconds. 1696 1696 1697 1697 (% style="color:#037691" %)**AT Command** ... ... @@ -1723,6 +1723,7 @@ 1723 1723 1724 1724 ==== 3.4.2.20 Reset saved RO and DO states ==== 1725 1725 1753 + 1726 1726 This command allows you to reset the saved relay output (RO) and digital output (DO) states when the device joins the network. By configuring this setting, you can control whether the device should retain or reset the relay states after a reset and rejoin to the network. 1727 1727 1728 1728 (% style="color:#037691" %)**AT Command** ... ... @@ -1772,6 +1772,7 @@ 1772 1772 1773 1773 ==== 3.4.2.21 Encrypted payload ==== 1774 1774 1803 + 1775 1775 This command allows you to configure whether the device should upload data in an encrypted format or in plaintext. By default, the device encrypts the payload before uploading. You can toggle this setting to either upload encrypted data or transmit it without encryption. 1776 1776 1777 1777 (% style="color:#037691" %)**AT Command:** ... ... @@ -1801,6 +1801,7 @@ 1801 1801 1802 1802 ==== 3.4.2.22 Get sensor value ==== 1803 1803 1833 + 1804 1804 This command allows you to retrieve and optionally uplink sensor readings through the serial port. 1805 1805 1806 1806 (% style="color:#037691" %)**AT Command** ... ... @@ -1830,6 +1830,7 @@ 1830 1830 1831 1831 ==== 3.4.2.23 Resetting the downlink packet count ==== 1832 1832 1863 + 1833 1833 This command manages how the node handles mismatched downlink packet counts. It offers two modes: one disables the reception of further downlink packets if discrepancies occur, while the other resets the downlink packet count to align with the server, ensuring continued communication. 1834 1834 1835 1835 (% style="color:#037691" %)**AT Command** ... ... @@ -1908,6 +1908,7 @@ 1908 1908 1909 1909 ==== 3.4.2.25 Copy downlink to uplink ==== 1910 1910 1942 + 1911 1911 This command enables the device to immediately uplink the payload of a received downlink packet back to the server. The command allows for quick data replication from downlink to uplink, with a fixed port number of 100. 1912 1912 1913 1913 (% style="color:#037691" %)**AT Command**(%%)**:** ... ... @@ -1933,6 +1933,7 @@ 1933 1933 1934 1934 ==== 3.4.2.26 Query firmware version, frequency band, sub band, and TDC time ==== 1935 1935 1968 + 1936 1936 This command is used to query key information about the device, including its firmware version, frequency band, sub band, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device. 1937 1937 1938 1938 * ((( ... ... @@ -1951,10 +1951,13 @@ 1951 1951 1952 1952 == 3.5 Integrating with ThingsEye.io == 1953 1953 1987 + 1954 1954 The Things Stack application supports integration with ThingsEye.io. Once integrated, ThingsEye.io acts as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic. 1955 1955 1990 + 1956 1956 === 3.5.1 Configuring The Things Stack === 1957 1957 1993 + 1958 1958 We use The Things Stack Sandbox in this example: 1959 1959 1960 1960 * In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added. ... ... @@ -1968,8 +1968,10 @@ 1968 1968 1969 1969 [[image:tts-mqtt-integration.png]] 1970 1970 2007 + 1971 1971 === 3.5.2 Configuring ThingsEye.io === 1972 1972 2010 + 1973 1973 The ThingsEye.io IoT platform is not open for self-registration at the moment. If you are interested in testing the platform, please send your project information to admin@thingseye.io, and we will create an account for you. 1974 1974 1975 1975 * Login to your [[ThingsEye.io >>https://thingseye.io]]account. ... ... @@ -2039,6 +2039,7 @@ 2039 2039 2040 2040 ==== 3.5.2.1 Viewing integration details ==== 2041 2041 2080 + 2042 2042 Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration. 2043 2043 2044 2044 [[image:integration-details.png]] ... ... @@ -2050,8 +2050,10 @@ 2050 2050 See also [[ThingsEye documentation>>https://wiki.thingseye.io/xwiki/bin/view/Main/]]. 2051 2051 {{/info}} 2052 2052 2053 -==== **3.5.2.2 Viewing events** ==== 2054 2054 2093 +==== 3.5.2.2 Viewing events ==== 2094 + 2095 + 2055 2055 The **Events **tab displays all the uplink messages from the LT-22222-L. 2056 2056 2057 2057 * Select **Debug **from the **Event type** dropdown. ... ... @@ -2065,13 +2065,15 @@ 2065 2065 [[image:thingseye-json.png]] 2066 2066 2067 2067 2068 -==== **3.5.2.3 Deleting an integration**====2109 +==== 3.5.2.3 Deleting an integration ==== 2069 2069 2111 + 2070 2070 If you want to delete an integration, click the **Delete integratio**n button on the Integrations page. 2071 2071 2072 2072 2073 2073 ==== 3.5.2.4 Creating a Dashboard to Display and Analyze LT-22222-L Data ==== 2074 2074 2117 + 2075 2075 This will be added soon. 2076 2076 2077 2077 ... ... @@ -2288,6 +2288,7 @@ 2288 2288 2289 2289 == 3.7 LED Indicators == 2290 2290 2334 + 2291 2291 The table below lists the behavior of LED indicators for each port function. 2292 2292 2293 2293 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %) ... ... @@ -2320,10 +2320,13 @@ 2320 2320 2321 2321 = 4. Using AT Commands = 2322 2322 2367 + 2323 2323 The LT-22222-L supports programming using AT Commands. 2324 2324 2370 + 2325 2325 == 4.1 Connecting the LT-22222-L to a PC == 2326 2326 2373 + 2327 2327 ((( 2328 2328 You can use a USB-to-TTL adapter/converter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below. 2329 2329 ... ... @@ -2343,7 +2343,10 @@ 2343 2343 ((( 2344 2344 You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2345 2345 2393 + 2346 2346 == 4.2 LT-22222-L related AT commands == 2395 + 2396 + 2347 2347 ))) 2348 2348 2349 2349 ((( ... ... @@ -2540,16 +2540,19 @@ 2540 2540 2541 2541 == 5.1 Counting how many objects pass through the flow line == 2542 2542 2593 + 2543 2543 See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]? 2544 2544 2545 2545 2546 2546 = 6. FAQ = 2547 2547 2599 + 2548 2548 This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly. 2549 2549 2550 2550 2551 2551 == 6.1 How to update the firmware? == 2552 2552 2605 + 2553 2553 Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to: 2554 2554 2555 2555 * Support new features ... ... @@ -2602,6 +2602,8 @@ 2602 2602 ((( 2603 2603 ((( 2604 2604 == 6.2 How to change the LoRaWAN frequency band/region? == 2658 + 2659 + 2605 2605 ))) 2606 2606 ))) 2607 2607 ... ... @@ -2613,6 +2613,8 @@ 2613 2613 2614 2614 2615 2615 == 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? == 2671 + 2672 + 2616 2616 ))) 2617 2617 2618 2618 ((( ... ... @@ -2686,11 +2686,13 @@ 2686 2686 2687 2687 == 6.4 How to change the uplink interval? == 2688 2688 2746 + 2689 2689 Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]] 2690 2690 2691 2691 2692 2692 == 6.5 Can I see the counting event in the serial output? == 2693 2693 2752 + 2694 2694 ((( 2695 2695 You can run the AT command **AT+DEBUG** to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first. 2696 2696 ... ... @@ -2697,6 +2697,7 @@ 2697 2697 2698 2698 == 6.6 Can I use point-to-point communication with LT-22222-L? == 2699 2699 2759 + 2700 2700 Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]]. 2701 2701 2702 2702 ... ... @@ -2705,6 +2705,7 @@ 2705 2705 ((( 2706 2706 == 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? == 2707 2707 2768 + 2708 2708 * If the device is not properly shut down and is directly powered off. 2709 2709 * It will default to a power-off state. 2710 2710 * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory. ... ... @@ -2712,6 +2712,7 @@ 2712 2712 2713 2713 == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? == 2714 2714 2776 + 2715 2715 The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below: 2716 2716 2717 2717 ... ... @@ -2720,16 +2720,19 @@ 2720 2720 2721 2721 == 6.9 Can the LT-22222-L save the RO state? == 2722 2722 2785 + 2723 2723 To enable this feature, the firmware version must be 1.6.0 or higher. 2724 2724 2725 2725 2726 2726 == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? == 2727 2727 2791 + 2728 2728 It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose. 2729 2729 2730 2730 2731 2731 = 7. Troubleshooting = 2732 2732 2797 + 2733 2733 This section provides some known troubleshooting tips. 2734 2734 2735 2735 ... ... @@ -2738,6 +2738,8 @@ 2738 2738 ((( 2739 2739 ((( 2740 2740 == 7.1 Downlink isn't working. How can I solve this? == 2806 + 2807 + 2741 2741 ))) 2742 2742 ))) 2743 2743 ... ... @@ -2749,6 +2749,8 @@ 2749 2749 2750 2750 2751 2751 == 7.2 Having trouble uploading an image? == 2819 + 2820 + 2752 2752 ))) 2753 2753 2754 2754 ((( ... ... @@ -2759,6 +2759,8 @@ 2759 2759 2760 2760 2761 2761 == 7.3 Why can't I join TTN in the US915 /AU915 bands? == 2831 + 2832 + 2762 2762 ))) 2763 2763 2764 2764 ((( ... ... @@ -2768,6 +2768,7 @@ 2768 2768 2769 2769 == 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? == 2770 2770 2842 + 2771 2771 The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue. 2772 2772 Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]] 2773 2773 ... ... @@ -2774,6 +2774,7 @@ 2774 2774 2775 2775 = 8. Ordering information = 2776 2776 2849 + 2777 2777 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 2778 2778 2779 2779 (% style="color:#4f81bd" %)**XXX:** ... ... @@ -2788,8 +2788,10 @@ 2788 2788 * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2789 2789 * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2790 2790 2864 + 2791 2791 = 9. Package information = 2792 2792 2867 + 2793 2793 **Package includes**: 2794 2794 2795 2795 * 1 x LT-22222-L I/O Controller ... ... @@ -2804,8 +2804,10 @@ 2804 2804 * Package Size / pcs : 14.5 x 8 x 5 cm 2805 2805 * Weight / pcs : 170 g 2806 2806 2882 + 2807 2807 = 10. Support = 2808 2808 2885 + 2809 2809 * ((( 2810 2810 Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time zones, we cannot offer live support. However, your questions will be answered as soon as possible within the aforementioned schedule. 2811 2811 ))) ... ... @@ -2817,6 +2817,7 @@ 2817 2817 2818 2818 = 11. Reference = 2819 2819 2897 + 2820 2820 * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 2821 2821 * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]] 2822 2822 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]