Changes for page LT-22222-L -- LoRa I/O Controller User Manual

Last modified by Mengting Qiu on 2025/06/04 18:42

From 213.1 to 214.1 From 220.1 to 221.1

From version 214.1

edited by Dilisi S
on 2024/11/24 01:55

Change comment: add example dl screenshot

To version 220.1

edited by Dilisi S
on 2024/11/25 01:59

Change comment: Uploaded new attachment "lt-22222-l-joining.png", version {1}

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- lt-22222-l-joining.png
- usb-ttl-audio-jack-connection.jpg

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Content

@@ -237,7 +237,7 @@
  *** **Profile (Region)**: Select the region that matches your device.
  ** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
--[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
++[[image:lt-22222-l-dev-repo-reg-p1.png]]
  * Register end device page continued...
@@ -247,7 +247,7 @@
  ** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
  ** Under **After registration**, select the **View registered end device** option.
--[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
++[[image:lt-22222-l-dev-repo-reg-p2.png]]
  ==== 3.2.2.3 Adding device manually ====
@@ -261,7 +261,7 @@
  ** Select the option **Over the air activation (OTAA)** under the **Activation mode.**
  ** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list.
--[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
++[[image:lt-22222-l-manually-p1.png]]
  * Register end device page continued...
@@ -272,13 +272,13 @@
  ** Under **After registration**, select the **View registered end device** option.
  ** Click the **Register end device** button.
--[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
++[[image:lt-22222-l-manually-p2.png]]
  You will be navigated to the **Device overview** page.
--[[image:lt-22222-device-overview.png||height="625" width="1000"]]
++[[image:lt-22222-device-overview.png]]
  ==== 3.2.2.4 Joining ====
@@ -288,9 +288,10 @@
  Now power on your LT-22222-L. The **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack network server. The **TX LED** will be on for **5 seconds** after joining the network. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server.
--[[image:lt-22222-join-network.png||height="625" width="1000"]]
++[[image:lt-22222-l-joining.png]]
++
  ==== 3.2.2.5 Uplinks ====
@@ -307,7 +307,7 @@
  The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters.
  {{/info}}
--[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
++[[image:lt-22222-ul-payload-fmt.png]]
  ==== 3.2.2.6 Downlinks ====
@@ -969,11 +969,11 @@
  ==== 3.4.2.3 Poll an uplink ====
--Requests an uplink from LT-22222-L.
++Requests an uplink from LT-22222-L. The content of the uplink payload varies based on the device's current working mode.
  (% style="color:#037691" %)**AT command**
--There is no AT Command to request an uplink from LT-22222-L
++There is no AT Command available for this feature.
  (% style="color:#037691" %)**Downlink payload**
@@ -981,7 +981,7 @@
  |(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
  |(% style="width:101px" %)**Parameters**|(% style="width:397px" %)**prefix** : 0x08
  |(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
--08 FF
++08 **FF**
  Requests an uplink from LT-22222-L.
  )))
@@ -1015,7 +1015,7 @@
  |(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
  **prefix** : 0x0A 06 (two bytes in hexadecimal)
--**working mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
++**enable/disable trigger_mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
  )))
  |(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
 A 06 **01**
@@ -1029,7 +1029,7 @@
  (% style="color:#037691" %)**AT Command:**
--There is no AT Command for this feature.
++There is no AT Command available for this feature.
  (% style="color:#037691" %)**Downlink Payload**
@@ -1532,17 +1532,10 @@
  When the voltage exceeds the threshold, counting begins. For details, see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
--
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
--
--(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
--
--
  (% style="color:#037691" %)**AT Command**
  (% border="2" style="width:500px" %)
--|(% style="width:137px" %)**Command**|(% style="width:361px" %)AT+VOLMAX=<voltage><logic>
++|(% style="width:137px" %)**Command**|(% style="width:361px" %)AT+VOLMAX=<voltage>,<logic>
  |(% style="width:137px" %)**Response**|(% style="width:361px" %)
  |(% style="width:137px" %)**Parameters**|(% style="width:361px" %)(((
  **voltage** : voltage threshold in mV
@@ -1549,9 +1549,9 @@
  **logic**:
--0 : lower than
++**0** : lower than
--1: higher than
++**1**: higher than
  if you leave logic parameter blank, it is considered 0
  )))
@@ -1580,9 +1580,9 @@
  **logic**: (1 byte in hexadecimal)
--0 : lower than
++**0** : lower than
--1: higher than
++**1**: higher than
  if you leave logic parameter blank, it is considered 1 (higher than)
  )))
@@ -1604,22 +1604,10 @@
  This command allows users to pre-configure specific count numbers for various counting parameters such as Count1, Count2, or AVI1 Count. Use the AT command to set the desired count number for each configuration.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
--
--(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
--
--(% style="color:red" %)**bb cc dd ee: **(%%)The number to be set
--
--
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
--
--(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
--
--
  (% style="color:#037691" %)**AT Command**
  (% border="2" style="width:500px" %)
--|(% style="width:134px" %)**Command**|(% style="width:364px" %)AT+SETCNT=<counting_parameter><number>
++|(% style="width:134px" %)**Command**|(% style="width:364px" %)AT+SETCNT=<counting_parameter>,<number>
  |(% style="width:134px" %)**Response**|(% style="width:364px" %)
  |(% style="width:134px" %)**Parameters**|(% style="width:364px" %)(((
  **counting_parameter** :
@@ -1665,12 +1665,6 @@
  This command clears the counting in counting mode.
--* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
--
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
--
--(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
--
  (% style="color:#037691" %)**AT Command**
  (% border="2" style="width:500px" %)
@@ -1692,20 +1692,6 @@
  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.
--* (% style="color:#037691" %)**AT Command:**
--
--(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Sets the save time to 60 seconds. The device will save the counting result in internal flash every 60 seconds. (Min value: 30 seconds)
--
--
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
--
--(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
--
--(((
--Range: aa bb cc:0 to 16777215,  (unit: seconds)
--)))
--
--
  (% style="color:#037691" %)**AT Command**
  (% border="2" style="width:500px" %)
@@ -1737,18 +1737,8 @@
  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.
--* (% style="color:#037691" %)**AT Command:**
++(% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
--
--(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state will not change when the device reconnects to the network.
--
--
--* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
--
--(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
--
--
  (% border="2" style="width:500px" %)
  |(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+RODORESET=<state>
  |(% style="width:127px" %)**Response**|(% style="width:371px" %)
@@ -1769,6 +1769,8 @@
  After the device is reset, the previously saved RODO state (limited to MOD2 to MOD5) is read, and it will not change when the device reconnects to the network.
  )))
++(% style="color:#037691" %)**Downlink Payload**
++
  (% border="2" style="width:500px" %)
  |(% style="width:127px" %)**Payload**|(% style="width:371px" %)<prefix><state>
  |(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
@@ -1794,22 +1794,17 @@
  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.
--* (% style="color:#037691" %)**AT Command:**
++(% style="color:#037691" %)**AT Command:**
--(% style="color:blue" %)**AT+DECRYPT=1  **   (%%)~/~/ The payload is uploaded without encryption
--
--(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
--
--
  (% border="2" style="width:500px" %)
  |(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+DECRYPT=<state>
  |(% style="width:127px" %)**Response**|(% style="width:371px" %)
  |(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
--state :
++**state** :
--1 : The payload is uploaded without encryption
++**1** : The payload is uploaded without encryption
--0 : The payload is encrypted when uploaded (default)
++**0** : The payload is encrypted when uploaded (default)
  )))
  |(% style="width:127px" %)**Example**|(% style="width:371px" %)(((
  AT+DECRYPT=1
@@ -1828,13 +1828,8 @@
  This command allows you to retrieve and optionally uplink sensor readings through the serial port.
--* (% style="color:#037691" %)**AT Command:**
++(% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port retrieves the reading of the current sensor.
--
--(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port retrieves the current sensor reading and uploads it.
--
--
  (% border="2" style="width:500px" %)
  |(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+GETSENSORVALUE=<state>
  |(% style="width:127px" %)**Response**|(% style="width:371px" %)
@@ -1862,13 +1862,8 @@
  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.
--* (% style="color:#037691" %)**AT Command:**
++(% style="color:#037691" %)**AT Command**
--(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
--
--(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
--
--
  (% border="2" style="width:500px" %)
  |(% style="width:130px" %)**Command**|(% style="width:368px" %)AT+DISFCNTCHECK=<state>
  |(% style="width:130px" %)**Response**|(% style="width:368px" %)(((
@@ -1900,17 +1900,6 @@
  This command controls the behavior of the node when the combined size of the MAC commands (MACANS) from the server and the payload exceeds the allowed byte limit for the current data rate (DR). The command provides two modes: one enables splitting the data into batches to ensure compliance with the byte limit, while the other prioritizes the payload and ignores the MACANS in cases of overflow.
--* (% style="color:#037691" %)**AT Command:**
--
--(% style="color:blue" %)**AT+DISMACANS=0**   (%%)  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
--
--(% style="color:blue" %)**AT+DISMACANS=1**  (%%)    ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
--
--
--* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
--
--(% style="color:blue" %)**0x21 00 01 **   (%%)      ~/~/ Set  the DISMACANS=1
--
  (% style="color:#037691" %)**AT Command**
  (% border="2" style="width:500px" %)
@@ -2024,7 +2024,7 @@
  The username and  password (API key) you created here are required in the next section.
  {{/info}}
--[[image:tts-mqtt-integration.png||height="625" width="1000"]]
++[[image:tts-mqtt-integration.png]]
  === 3.5.2 Configuring ThingsEye.io ===
@@ -2034,7 +2034,7 @@
  * Under the **Integrations center**, click **Integrations**.
  * Click the **Add integration** button (the button with the **+** symbol).
--[[image:thingseye-io-step-1.png||height="625" width="1000"]]
++[[image:thingseye-io-step-1.png]]
  On the **Add integration** window, configure the following:
@@ -2049,7 +2049,7 @@
  ** Allow create devices or assets
  * Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
--[[image:thingseye-io-step-2.png||height="625" width="1000"]]
++[[image:thingseye-io-step-2.png]]
  **Uplink data converter:**
@@ -2060,7 +2060,7 @@
  * Paste the uplink decoder function into the text area (first, delete the default code). The demo uplink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]].
  * Click the **Next** button. You will be navigated to the **Downlink data converter **tab.
--[[image:thingseye-io-step-3.png||height="625" width="1000"]]
++[[image:thingseye-io-step-3.png]]
  **Downlink data converter (this is an optional step):**
@@ -2071,7 +2071,7 @@
  * Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js]].
  * Click the **Next** button. You will be navigated to the **Connection** tab.
--[[image:thingseye-io-step-4.png||height="625" width="1000"]]
++[[image:thingseye-io-step-4.png]]
  **Connection:**
@@ -2086,13 +2086,13 @@
  * Click the **Add** button.
--[[image:thingseye-io-step-5.png||height="625" width="1000"]]
++[[image:thingseye-io-step-5.png]]
  Your integration has been added to the** Integrations** list and will be displayed on the **Integrations** page. Check whether the status is shown as **Active**. If not, review your configuration settings and correct any errors.
--[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
++[[image:thingseye.io_integrationsCenter_integrations.png]]
  ==== 3.5.2.1 Viewing integration details ====
@@ -2099,7 +2099,7 @@
  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.
--[[image:integration-details.png||height="686" width="1000"]]
++[[image:integration-details.png]]
  If you want to edit the settings you have provided, click on the **Toggle edit mode** button. Once you have done click on the **Apply changes **button.
@@ -2115,12 +2115,12 @@
  * Select **Debug **from the **Event type** dropdown.
  * Select the** time frame** from the **time window**.
--[[image:thingseye-events.png||height="686" width="1000"]]
++[[image:thingseye-events.png]]
  * To view the **JSON payload** of a message, click on the **three dots (...)** in the Message column of the desired message.
--[[image:thingseye-json.png||width="1000"]]
++[[image:thingseye-json.png]]
  ==== **3.5.2.3 Deleting an integration** ====
@@ -2138,7 +2138,7 @@
  === 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active) ===
--Supports NPN-type sensors.
++Supports** NPN-type **sensors.
  [[image:1653356991268-289.png]]
@@ -2260,15 +2260,15 @@
  )))
--(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
++(% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
--From the DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
++From the DI port circuit above, activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference on its own.
--To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
++To detect a Dry Contact, you can supply a power source to one of the pins of the Dry Contact. A reference circuit diagram is shown below.
  [[image:image-20230616235145-1.png]]
--(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
++(% style="color:blue" %)**Example 5**(%%): Connecting to an Open Collector
  [[image:image-20240219115718-1.png]]
@@ -2344,7 +2344,7 @@
  [[image:image-20220524100215-10.png||height="382" width="723"]]
--== 3.7 LEDs Indicators ==
++== 3.7 LED Indicators ==
  The table below lists the behavior of LED indicators for each port function.
@@ -2383,13 +2383,14 @@
  == 4.1 Connecting the LT-22222-L to a PC ==
  (((
--You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
++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.
--[[image:usb-ttl-programming.png]]
++[[image:usb-ttl-audio-jack-connection.jpg]]
++
++
  )))
--
  (((
  On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below:
  )))
@@ -2419,39 +2419,39 @@
  * **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
  * **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
  * **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
--* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
--* AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)
--* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
--* AT+PNM: Get or set the public network mode. (0: off, 1: on)
--* AT+RX2FQ: Get or set the Rx2 window frequency
--* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
--* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
--* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
--* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
--* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
--* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
--* AT+NWKID: Get or set the Network ID
--* AT+FCU: Get or set the Frame Counter Uplink (FCntUp)
--* AT+FCD: Get or set the Frame Counter Downlink (FCntDown)
--* AT+CLASS: Get or set the Device Class
--* AT+JOIN: Join network
--* AT+NJS: Get OTAA Join Status
--* AT+SENDB: Send hexadecimal data along with the application port
--* AT+SEND: Send text data along with the application port
--* AT+RECVB: Print last received data in binary format (with hexadecimal values)
--* AT+RECV: Print last received data in raw format
--* AT+VER: Get current image version and Frequency Band
--* AT+CFM: Get or Set the confirmation mode (0-1)
--* AT+CFS: Get confirmation status of the last AT+SEND (0-1)
--* AT+SNR: Get the SNR of the last received packet
--* AT+RSSI: Get the RSSI of the last received packet
--* AT+TDC: Get or set the application data transmission interval in ms
--* AT+PORT: Get or set the application port
--* AT+DISAT: Disable AT commands
--* AT+PWORD: Set password, max 9 digits
--* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode
--* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470
--* AT+CFG: Print all settings
++* ##**AT+TXP**##: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
++* **##AT+DR##**:  Get or set the Data Rate. (0-7 corresponding to DR_X)
++* **##AT+DCS##**: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
++* ##**AT+PNM**##: Get or set the public network mode. (0: off, 1: on)
++* ##**AT+RX2FQ**##: Get or set the Rx2 window frequency
++* ##**AT+RX2DR**##: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
++* ##**AT+RX1DL**##: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
++* ##**AT+RX2DL**##: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
++* ##**AT+JN1DL**##: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
++* ##**AT+JN2DL**##: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
++* ##**AT+NJM**##: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
++* ##**AT+NWKID**##: Get or set the Network ID
++* ##**AT+FCU**##: Get or set the Frame Counter Uplink (FCntUp)
++* ##**AT+FCD**##: Get or set the Frame Counter Downlink (FCntDown)
++* ##**AT+CLASS**##: Get or set the Device Class
++* ##**AT+JOIN**##: Join network
++* ##**AT+NJS**##: Get OTAA Join Status
++* ##**AT+SENDB**##: Send hexadecimal data along with the application port
++* ##**AT+SEND**##: Send text data along with the application port
++* ##**AT+RECVB**##: Print last received data in binary format (with hexadecimal values)
++* ##**AT+RECV**##: Print last received data in raw format
++* ##**AT+VER**##: Get current image version and Frequency Band
++* ##**AT+CFM**##: Get or Set the confirmation mode (0-1)
++* ##**AT+CFS**##: Get confirmation status of the last AT+SEND (0-1)
++* ##**AT+SNR**##: Get the SNR of the last received packet
++* ##**AT+RSSI**##: Get the RSSI of the last received packet
++* ##**AT+TDC**##: Get or set the application data transmission interval in ms
++* ##**AT+PORT**##: Get or set the application port
++* ##**AT+DISAT**##: Disable AT commands
++* ##**AT+PWORD**##: Set password, max 9 digits
++* ##**AT+CHS**##: Get or set the Frequency (Unit: Hz) for Single Channel Mode
++* ##**AT+CHE**##: Get or set eight channels mode, Only for US915, AU915, CN470
++* ##**AT+CFG**##: Print all settings
  )))
@@ -2616,7 +2616,7 @@
  You will need the following things before proceeding:
  * 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
--* USB to TTL adapter
++* USB to TTL adapter/converter
  * Download and install the [[STM32 Flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer)
  * Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region.
@@ -2626,7 +2626,7 @@
  Below is the hardware setup for uploading a firmware image to the LT-22222-L:
--[[image:usb-ttl-programming.png]]
++[[image:usb-ttl-audio-jack-connection.jpg]]

lt-22222-l-joining.png

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usb-ttl-audio-jack-connection.jpg

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Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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