Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 66.21 >
edited by Xiaoling
on 2022/05/24 13:55
To version < 61.2 >
edited by Xiaoling
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Summary

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Content
... ... @@ -45,114 +45,44 @@
45 45  
46 46  == 1.2  Specifications ==
47 47  
48 -(((
49 49  **Hardware System:**
50 -)))
51 51  
52 -* (((
53 -STM32L072CZT6 MCU
54 -)))
55 -* (((
56 -SX1276/78 Wireless Chip 
57 -)))
58 -* (((
59 -(((
60 -Power Consumption:
61 -)))
50 +* STM32L072CZT6 MCU
51 +* SX1276/78 Wireless Chip 
52 +* Power Consumption:
53 +** Idle: 4mA@12v
54 +** 20dB Transmit: 34mA@12v
62 62  
63 -* (((
64 -Idle: 4mA@12v
65 -)))
66 -* (((
67 -20dB Transmit: 34mA@12v
68 -)))
69 -)))
70 -
71 -(((
72 72  **Interface for Model: LT22222-L:**
73 -)))
74 74  
75 -* (((
76 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
77 -)))
78 -* (((
79 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
80 -)))
81 -* (((
82 -2 x Relay Output (5A@250VAC / 30VDC)
83 -)))
84 -* (((
85 -2 x 0~~20mA Analog Input (res:0.01mA)
86 -)))
87 -* (((
88 -2 x 0~~30V Analog Input (res:0.01v)
89 -)))
90 -* (((
91 -Power Input 7~~ 24V DC. 
92 -)))
58 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59 +* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60 +* 2 x Relay Output (5A@250VAC / 30VDC)
61 +* 2 x 0~~20mA Analog Input (res:0.01mA)
62 +* 2 x 0~~30V Analog Input (res:0.01v)
63 +* Power Input 7~~ 24V DC. 
93 93  
94 -(((
95 95  **LoRa Spec:**
96 -)))
97 97  
98 -* (((
99 -(((
100 -Frequency Range:
101 -)))
67 +* Frequency Range:
68 +** Band 1 (HF): 862 ~~ 1020 Mhz
69 +** Band 2 (LF): 410 ~~ 528 Mhz
70 +* 168 dB maximum link budget.
71 +* +20 dBm - 100 mW constant RF output vs.
72 +* +14 dBm high efficiency PA.
73 +* Programmable bit rate up to 300 kbps.
74 +* High sensitivity: down to -148 dBm.
75 +* Bullet-proof front end: IIP3 = -12.5 dBm.
76 +* Excellent blocking immunity.
77 +* Low RX current of 10.3 mA, 200 nA register retention.
78 +* Fully integrated synthesizer with a resolution of 61 Hz.
79 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80 +* Built-in bit synchronizer for clock recovery.
81 +* Preamble detection.
82 +* 127 dB Dynamic Range RSSI.
83 +* Automatic RF Sense and CAD with ultra-fast AFC.
84 +* Packet engine up to 256 bytes with CRC.
102 102  
103 -* (((
104 -Band 1 (HF): 862 ~~ 1020 Mhz
105 -)))
106 -* (((
107 -Band 2 (LF): 410 ~~ 528 Mhz
108 -)))
109 -)))
110 -* (((
111 -168 dB maximum link budget.
112 -)))
113 -* (((
114 -+20 dBm - 100 mW constant RF output vs.
115 -)))
116 -* (((
117 -+14 dBm high efficiency PA.
118 -)))
119 -* (((
120 -Programmable bit rate up to 300 kbps.
121 -)))
122 -* (((
123 -High sensitivity: down to -148 dBm.
124 -)))
125 -* (((
126 -Bullet-proof front end: IIP3 = -12.5 dBm.
127 -)))
128 -* (((
129 -Excellent blocking immunity.
130 -)))
131 -* (((
132 -Low RX current of 10.3 mA, 200 nA register retention.
133 -)))
134 -* (((
135 -Fully integrated synthesizer with a resolution of 61 Hz.
136 -)))
137 -* (((
138 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
139 -)))
140 -* (((
141 -Built-in bit synchronizer for clock recovery.
142 -)))
143 -* (((
144 -Preamble detection.
145 -)))
146 -* (((
147 -127 dB Dynamic Range RSSI.
148 -)))
149 -* (((
150 -Automatic RF Sense and CAD with ultra-fast AFC.
151 -)))
152 -* (((
153 -Packet engine up to 256 bytes with CRC.
154 -)))
155 -
156 156  == 1.3 Features ==
157 157  
158 158  * LoRaWAN Class A & Class C protocol
... ... @@ -199,21 +199,13 @@
199 199  
200 200  == 3.1 How it works? ==
201 201  
202 -(((
203 203  The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
204 -)))
205 205  
206 -(((
207 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
208 -)))
134 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
209 209  
210 -(((
211 211  3.2 Example to join LoRaWAN network
212 -)))
213 213  
214 -(((
215 215  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
216 -)))
217 217  
218 218  [[image:image-20220523172350-1.png||height="266" width="864"]]
219 219  
... ... @@ -405,7 +405,7 @@
405 405  **ATZ**
406 406  )))
407 407  
408 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
409 409  
410 410  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
411 411  
... ... @@ -440,7 +440,7 @@
440 440  )))
441 441  
442 442  
443 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
444 444  
445 445  **Plus below command for AVI1 Counting:**
446 446  
... ... @@ -492,7 +492,7 @@
492 492  **ATZ**
493 493  )))
494 494  
495 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
496 496  
497 497  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
498 498  
... ... @@ -541,7 +541,7 @@
541 541  
542 542  **Downlink Command to set Trigger Condition**
543 543  
544 -Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
466 +Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
545 545  
546 546  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
547 547  
... ... @@ -561,7 +561,7 @@
561 561  
562 562  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
563 563  
564 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
565 565  
566 566  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
567 567  
... ... @@ -1121,7 +1121,7 @@
1121 1121  
1122 1122  [[image:image-20220524094641-12.png||height="402" width="718"]]
1123 1123  
1124 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1125 1125  
1126 1126  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1127 1127  
... ... @@ -1131,6 +1131,7 @@
1131 1131  
1132 1132  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1133 1133  
1056 +
1134 1134  [[image:image-20220524094909-1.png||height="335" width="729"]]
1135 1135  
1136 1136  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1141,6 +1141,10 @@
1141 1141  
1142 1142  [[image:image-20220524094909-5.png||height="341" width="734"]]
1143 1143  
1067 +
1068 +
1069 +
1070 +
1144 1144  == 3.6 Interface Detail ==
1145 1145  
1146 1146  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1156,10 +1156,8 @@
1156 1156  )))
1157 1157  
1158 1158  (((
1159 -(((
1160 1160  Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
1161 1161  )))
1162 -)))
1163 1163  
1164 1164  [[image:1653357170703-587.png]]
1165 1165  
... ... @@ -1191,9 +1191,9 @@
1191 1191  
1192 1192  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1193 1193  
1194 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1195 1195  
1196 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1197 1197  
1198 1198  
1199 1199  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1205,7 +1205,7 @@
1205 1205  
1206 1206  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1207 1207  
1208 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1209 1209  
1210 1210  If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1211 1211  
... ... @@ -1596,85 +1596,158 @@
1596 1596  
1597 1597  [[image:image-20220524103429-13.png]]
1598 1598  
1599 -[[image:image-20220524104033-15.png]]
1524 +(% style="color:red" %)**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1600 1600  
1601 -(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1602 1602  
1603 -[[image:1653360054704-518.png||height="186" width="745"]]
1527 +1. (((
1528 +(((
1529 +
1530 +)))
1604 1604  
1532 +1. (((
1533 +How to change the LoRa Frequency Bands/Region?
1534 +)))
1535 +)))
1536 +
1605 1605  (((
1538 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1539 +)))
1540 +
1606 1606  (((
1607 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1542 +
1608 1608  )))
1544 +
1545 +1.
1546 +11. (((
1547 +How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1609 1609  )))
1610 1610  
1611 1611  (((
1612 -User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1551 +In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1613 1613  )))
1614 1614  
1615 1615  (((
1616 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1555 +Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1617 1617  )))
1618 1618  
1619 1619  (((
1559 +
1560 +)))
1561 +
1620 1620  (((
1621 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1563 +**Step1**: Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1622 1622  )))
1565 +
1566 +(((
1567 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1623 1623  )))
1624 1624  
1625 1625  (((
1571 +Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1572 +)))
1573 +
1626 1626  (((
1627 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1575 +
1628 1628  )))
1577 +
1578 +(((
1579 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1629 1629  )))
1630 1630  
1631 1631  (((
1632 -(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
1583 +123456   Enter Password to have AT access.
1633 1633  )))
1634 1634  
1635 1635  (((
1636 -[[image:1653360231087-571.png||height="401" width="727"]]
1587 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1637 1637  )))
1638 1638  
1639 -(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1590 +(((
1591 +123456   Enter Password to have AT access.
1592 +)))
1640 1640  
1641 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1594 +(((
1595 +AT+NJM=0 Set to ABP mode
1596 +)))
1642 1642  
1643 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1644 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1645 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1646 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1647 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1648 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1649 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1650 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1651 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1652 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1598 +(((
1599 +AT+ADR=0 Set the Adaptive Data Rate Off
1600 +)))
1653 1653  
1602 +(((
1603 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1604 +)))
1605 +
1606 +(((
1607 +AT+TDC=60000  Set transmit interval to 60 seconds
1608 +)))
1609 +
1610 +(((
1611 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1612 +)))
1613 +
1614 +(((
1615 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1616 +)))
1617 +
1618 +(((
1619 +ATZ                Reset MCU
1620 +)))
1621 +
1622 +(((
1654 1654  As shown in below:
1624 +)))
1655 1655  
1656 -[[image:1653360498588-932.png||height="485" width="726"]]
1626 +(((
1627 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1628 +)))
1657 1657  
1658 -== 5.4 Can I see counting event in Serial? ==
1630 +(((
1631 +
1632 +)))
1659 1659  
1660 1660  (((
1635 +
1636 +)))
1637 +
1638 +1. (((
1639 +(((
1640 +
1641 +)))
1642 +
1643 +1. (((
1644 +Can I see counting event in Serial?
1645 +)))
1646 +)))
1647 +
1648 +(((
1661 1661  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1662 1662  )))
1663 1663  
1664 1664  (((
1665 -= 6. Trouble Shooting =
1653 +
1666 1666  )))
1667 1667  
1668 1668  (((
1657 +
1658 +)))
1659 +
1669 1669  (((
1670 -== 6.1 Downlink doesn’t work, how to solve it? ==
1661 +
1671 1671  )))
1663 +
1664 +1. (((
1665 +(((
1666 +Trouble Shooting    
1672 1672  )))
1673 1673  
1669 +1. (((
1670 +Downlink doesn’t work, how to solve it?
1671 +)))
1672 +)))
1673 +
1674 1674  (((
1675 1675  Please see this link for how to debug:
1676 -
1677 -[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1678 1678  )))
1679 1679  
1680 1680  (((
... ... @@ -1682,9 +1682,14 @@
1682 1682  )))
1683 1683  
1684 1684  (((
1685 -== 6.2 Have trouble to upload image. ==
1683 +
1686 1686  )))
1687 1687  
1686 +1.
1687 +11. (((
1688 +Have trouble to upload image.
1689 +)))
1690 +
1688 1688  (((
1689 1689  See this link for trouble shooting:
1690 1690  )))
... ... @@ -1694,9 +1694,14 @@
1694 1694  )))
1695 1695  
1696 1696  (((
1697 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1700 +
1698 1698  )))
1699 1699  
1703 +1.
1704 +11. (((
1705 +Why I can’t join TTN in US915 /AU915 bands?
1706 +)))
1707 +
1700 1700  (((
1701 1701  It might be about the channels mapping. Please see this link for detail:
1702 1702  )))
... ... @@ -1706,111 +1706,106 @@
1706 1706  )))
1707 1707  
1708 1708  (((
1709 -= 7. Order Info =
1717 +
1710 1710  )))
1711 1711  
1712 1712  (((
1721 +
1722 +)))
1723 +
1713 1713  (((
1714 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1725 +
1715 1715  )))
1727 +
1728 +1. (((
1729 +Order Info
1716 1716  )))
1717 1717  
1718 1718  (((
1733 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1734 +)))
1735 +
1719 1719  (((
1720 -(% style="color:#4f81bd" %)**XXX:**
1737 +**XXX:**
1721 1721  )))
1722 -)))
1723 1723  
1724 1724  * (((
1725 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1741 +**EU433**: LT with frequency bands EU433
1726 1726  )))
1727 1727  * (((
1728 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1744 +**EU868**: LT with frequency bands EU868
1729 1729  )))
1730 1730  * (((
1731 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1747 +**KR920**: LT with frequency bands KR920
1732 1732  )))
1733 1733  * (((
1734 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1750 +**CN470**: LT with frequency bands CN470
1735 1735  )))
1736 1736  * (((
1737 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1753 +**AS923**: LT with frequency bands AS923
1738 1738  )))
1739 1739  * (((
1740 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1756 +**AU915**: LT with frequency bands AU915
1741 1741  )))
1742 1742  * (((
1743 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1759 +**US915**: LT with frequency bands US915
1744 1744  )))
1745 1745  * (((
1746 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1762 +**IN865**: LT with frequency bands IN865
1747 1747  )))
1764 +* (((
1765 +**CN779**: LT with frequency bands CN779
1766 +)))
1748 1748  
1749 -(((
1750 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1751 -
1752 -= 8. Packing Info =
1768 +1. (((
1769 +Packing Info
1753 1753  )))
1754 1754  
1755 1755  (((
1756 -(((
1757 1757  **Package Includes**:
1758 1758  )))
1759 -)))
1760 1760  
1761 -(((
1762 -(((
1763 -* LT-22222-L I/O Controller x 1
1764 -* Stick Antenna for LoRa RF part x 1
1765 -* Bracket for controller x1
1766 -* Program cable x 1
1776 +* (((
1777 +LT I/O Controller x 1
1767 1767  )))
1779 +* (((
1780 +Stick Antenna for LoRa RF part x 1
1768 1768  )))
1782 +* (((
1783 +Bracket for controller x1
1784 +)))
1785 +* (((
1786 +Program cable x 1
1787 +)))
1769 1769  
1770 1770  (((
1771 -(((
1772 1772  **Dimension and weight**:
1773 1773  )))
1774 -)))
1775 1775  
1776 -(((
1777 -(((
1778 -* Device Size: 13.5 x 7 x 3 cm
1779 -* Device Weight: 105g
1780 -* Package Size / pcs : 14.5 x 8 x 5 cm
1781 -* Weight / pcs : 170g
1793 +* (((
1794 +Device Size: 13.5 x 7 x 3 cm
1782 1782  )))
1796 +* (((
1797 +Device Weight: 105g
1783 1783  )))
1799 +* (((
1800 +Package Size / pcs : 14.5 x 8 x 5 cm
1801 +)))
1802 +* (((
1803 +Weight / pcs : 170g
1804 +)))
1784 1784  
1785 -(((
1786 -= 9. Support =
1806 +1. (((
1807 +Support
1787 1787  )))
1788 1788  
1789 1789  * (((
1790 -(((
1791 1791  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1792 1792  )))
1793 -)))
1794 1794  * (((
1795 -(((
1796 1796  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1797 1797  )))
1798 -)))
1799 1799  
1800 1800  (((
1801 -(((
1802 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1818 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1803 1803  )))
1804 -
1805 -(((
1806 -= 10. Reference​​​​​ =
1807 -
1808 -* Product Page:
1809 -
1810 -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]]
1811 -
1812 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1813 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1814 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1815 -)))
1816 -)))
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