Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.8 >
edited by Xiaoling
on 2023/05/17 11:09
To version < 109.2 >
edited by Xiaoling
on 2022/11/21 11:37
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
30 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -176,43 +176,33 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
189 +
190 +
192 192  == 1.4  Applications ==
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
201 +
202 +
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
212 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 -(% style="text-align:center" %)
214 -[[image:image-20230424115112-1.png||height="106" width="58"]]
215 -)))|(% style="width:334px" %)(((
206 +(% border="1" style="background-color:#f7faff; width:500px" %)
207 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
208 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -221,6 +221,8 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
217 +
218 +
224 224  = 2. Power ON Device =
225 225  
226 226  
... ... @@ -277,7 +277,7 @@
277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:image-20230425173427-2.png||height="246" width="530"]]
275 +[[image:1653297924498-393.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -302,6 +302,7 @@
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
300 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 307  
... ... @@ -314,42 +314,24 @@
314 314  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
315 315  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
316 316  
313 +
314 +
317 317  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
318 318  
319 319  
320 320  (((
321 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
322 -
323 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
324 -|Size(bytes)(% style="display:none" %) |2|2|2|2|1|1|1
325 -|Value|(((
326 -AVI1
327 -voltage
328 -)))|(((
329 -AVI2
330 -voltage
331 -)))|(((
332 -ACI1
333 -Current
334 -)))|(((
335 -ACI2
336 -Current
337 -)))|DIDORO*|(((
338 -Reserve
339 -)))|MOD
319 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
340 340  )))
341 341  
322 +[[image:image-20220523174024-3.png]]
342 342  
343 343  (((
344 344  
345 345  
346 346  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
347 -
348 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
349 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
350 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
351 351  )))
352 352  
330 +[[image:image-20220523174254-4.png]]
353 353  
354 354  * RO is for relay. ROx=1 : close，ROx=0 always open.
355 355  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -390,6 +390,8 @@
390 390  ** DO1 is high in case there is load between DO1 and V+.
391 391  ** DO1 LED is off in both case
392 392  
371 +
372 +
393 393  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394 394  
395 395  
... ... @@ -399,28 +399,18 @@
399 399  
400 400  (((
401 401  Total : 11 bytes payload
382 +)))
402 402  
403 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
404 -|Size(bytes)|4|4|1|1|1
405 -|Value|COUNT1|COUNT2 |DIDORO*|(((
406 -Reserve
384 +[[image:image-20220523180452-3.png]]
407 407  
408 -
409 -)))|MOD
410 -)))
411 411  
412 412  (((
413 -
414 -
415 415  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
416 -
417 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
418 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
419 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
420 -
421 -RO is for relay. ROx=1 : close，ROx=0 always open.
422 422  )))
423 423  
391 +[[image:image-20220523180506-4.png]]
392 +
393 +* RO is for relay. ROx=1 : close，ROx=0 always open.
424 424  * FIRST: Indicate this is the first packet after join network.
425 425  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
426 426  
... ... @@ -478,24 +478,15 @@
478 478  
479 479  **LT22222-L**: This mode the DI1 is used as a counting pin.
480 480  
481 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
482 -|Size(bytes)|4|2|2|1|1|1
483 -|Value|COUNT1|(((
484 -ACI1 Current
485 -)))|(((
486 -ACI2 Current
487 -)))|DIDORO*|Reserve|MOD
451 +[[image:image-20220523181246-5.png]]
488 488  
489 489  (((
490 490  
491 491  
492 492  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
493 -
494 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
495 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
496 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
497 497  )))
498 498  
459 +[[image:image-20220523181301-6.png]]
499 499  
500 500  * RO is for relay. ROx=1 : close，ROx=0 always open.
501 501  * FIRST: Indicate this is the first packet after join network.
... ... @@ -537,26 +537,16 @@
537 537  
538 538  (((
539 539  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
540 -
541 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
542 -|Size(bytes)|4|4|1|1|1
543 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
544 -Reserve
545 -
546 -
547 -)))|MOD
548 548  )))
549 549  
503 +[[image:image-20220523181903-8.png]]
550 550  
551 551  
552 552  (((
553 553  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
554 -
555 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
556 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
557 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
558 558  )))
559 559  
510 +[[image:image-20220523181727-7.png]]
560 560  
561 561  * RO is for relay. ROx=1 : close，ROx=0 always open.
562 562  * FIRST: Indicate this is the first packet after join network.
... ... @@ -611,29 +611,12 @@
611 611  
612 612  **LT22222-L**: This mode the DI1 is used as a counting pin.
613 613  
614 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
615 -|Size(bytes)|2|2|2|2|1|1|1
616 -|Value|(((
617 -AVI1
618 -voltage
619 -)))|(((
620 -AVI2
621 -voltage
622 -)))|(((
623 -ACI1
624 -Current
625 -)))|COUNT1|DIDORO*|(((
626 -Reserve
627 -)))|MOD
565 +[[image:image-20220523182334-9.png]]
628 628  
629 629  (((
630 630  
631 631  
632 632  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
633 -
634 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
635 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
636 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
637 637  )))
638 638  
639 639  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -724,6 +724,7 @@
724 724  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
725 725  
726 726  
661 +
727 727  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
728 728  
729 729  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -758,51 +758,12 @@
758 758  
759 759  MOD6 Payload : total 11 bytes payload
760 760  
761 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
762 -|Size(bytes)|1|1|1|6|1|1
763 -|Value|(((
764 -TRI_A
765 -FLAG
766 -)))|(((
767 -TRI_A
768 -Status
769 -)))|(((
770 -TRI_DI
771 -FLAG+STA
772 -)))|Reserve|Enable/Disable MOD6|(((
773 -MOD
774 -(6)
775 -)))
696 +[[image:image-20220524085923-1.png]]
776 776  
698 +
777 777  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
778 778  
779 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
780 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
781 -|(((
782 -AV1_
783 -LOW
784 -)))|(((
785 -AV1_
786 -HIGH
787 -)))|(((
788 -AV2_
789 -LOW
790 -)))|(((
791 -AV2_
792 -HIGH
793 -)))|(((
794 -AC1_
795 -LOW
796 -)))|(((
797 -AC1_
798 -HIGH
799 -)))|(((
800 -AC2_
801 -LOW
802 -)))|(((
803 -AC2_
804 -HIGH
805 -)))
701 +[[image:image-20220524090106-2.png]]
806 806  
807 807  * Each bits shows if the corresponding trigger has been configured.
808 808  
... ... @@ -814,35 +814,8 @@
814 814  
815 815  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
816 816  
817 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
818 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
819 -|(((
820 -AV1_
821 -LOW
822 -)))|(((
823 -AV1_
824 -HIGH
825 -)))|(((
826 -AV2_
827 -LOW
828 -)))|(((
829 -AV2_
830 -HIGH
831 -)))|(((
832 -AC1_
833 -LOW
834 -)))|(((
835 -AC1_
836 -HIGH
837 -)))|(((
838 -AC2_
839 -LOW
840 -)))|(((
841 -AC2_
842 -HIGH
843 -)))
713 +[[image:image-20220524090249-3.png]]
844 844  
845 -
846 846  * Each bits shows which status has been trigger on this uplink.
847 847  
848 848  **Example:**
... ... @@ -850,11 +850,10 @@
850 850  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
851 851  
852 852  
722 +
853 853  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
854 854  
855 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
856 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
857 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
725 +[[image:image-20220524090456-4.png]]
858 858  
859 859  * Each bits shows which status has been trigger on this uplink.
860 860  
... ... @@ -865,6 +865,7 @@
865 865  00000101: Means both DI1 and DI2 trigger are enabled.
866 866  
867 867  
736 +
868 868  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
869 869  
870 870  Downlink command to poll MOD6 status:
... ... @@ -900,6 +900,8 @@
900 900  
901 901  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
902 902  
772 +
773 +
903 903  === 3.4.1 Common Commands ===
904 904  
905 905  
... ... @@ -985,6 +985,7 @@
985 985  
986 986  
987 987  
859 +
988 988  ==== 3.4.2.5 Poll trigger settings ====
989 989  
990 990  
... ... @@ -1067,7 +1067,7 @@
1067 1067  
1068 1068  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1069 1069  
1070 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
942 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
1071 1071  
1072 1072  
1073 1073  
... ... @@ -1199,9 +1199,8 @@
1199 1199  
1200 1200   Latching time. Unit: ms
1201 1201  
1074 +Note:
1202 1202  
1203 -(% style="color:red" %)**Note: **
1204 -
1205 1205   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1206 1206  
1207 1207   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1230,7 +1230,7 @@
1230 1230  
1231 1231  
1232 1232  
1233 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1104 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1234 1234  
1235 1235  
1236 1236  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1252,7 +1252,7 @@
1252 1252  )))
1253 1253  
1254 1254  (((
1255 -[[image:image-20230426161322-1.png]]
1126 +[[image:image-20220524093724-9.png]]
1256 1256  )))
1257 1257  
1258 1258  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1259,6 +1259,7 @@
1259 1259  
1260 1260  
1261 1261  
1133 +
1262 1262  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1263 1263  
1264 1264  
... ... @@ -1290,9 +1290,8 @@
1290 1290  
1291 1291  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1292 1292  
1165 +Note:
1293 1293  
1294 -(% style="color:red" %)**Note:**
1295 -
1296 1296   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1297 1297  
1298 1298   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1303,7 +1303,7 @@
1303 1303  
1304 1304  **Example payload:**
1305 1305  
1306 -**~1. 05 01 11 07 D0**
1177 +**~1. 05 01 11 07 D**
1307 1307  
1308 1308  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1309 1309  
... ... @@ -1438,6 +1438,7 @@
1438 1438  
1439 1439  
1440 1440  
1312 +
1441 1441  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1442 1442  
1443 1443  
... ... @@ -1454,6 +1454,7 @@
1454 1454  
1455 1455  
1456 1456  
1329 +
1457 1457  ==== 3.4.2.25 Copy downlink to uplink ====
1458 1458  
1459 1459  
... ... @@ -1607,6 +1607,8 @@
1607 1607  
1608 1608  (((
1609 1609  
1483 +
1484 +
1610 1610  )))
1611 1611  
1612 1612  (((
... ... @@ -1638,6 +1638,8 @@
1638 1638  
1639 1639  (((
1640 1640  
1516 +
1517 +
1641 1641  )))
1642 1642  
1643 1643  (((
... ... @@ -1671,9 +1671,9 @@
1671 1671  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1672 1672  
1673 1673  
1674 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1551 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1675 1675  
1676 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1553 +Note: DO pins go to float when device is power off.
1677 1677  
1678 1678  [[image:1653357531600-905.png]]
1679 1679  
... ... @@ -1695,9 +1695,9 @@
1695 1695  
1696 1696  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1697 1697  
1698 -(% style="color:red" %)**Red:  12~~24v**
1575 +**Red:  12~~24v**
1699 1699  
1700 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1577 +**Yellow:  4~~20mA**
1701 1701  
1702 1702  **Black:  GND**
1703 1703  
... ... @@ -1730,6 +1730,7 @@
1730 1730  [[image:image-20220524100748-11.png]]
1731 1731  
1732 1732  
1610 +
1733 1733  = 4. Use AT Command =
1734 1734  
1735 1735  == 4.1 Access AT Command ==
... ... @@ -2060,7 +2060,7 @@
2060 2060  **3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
2061 2061  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2062 2062  
2063 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1941 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
2064 2064  
2065 2065  
2066 2066  )))
... ... @@ -2073,6 +2073,7 @@
2073 2073  
2074 2074  )))
2075 2075  
1954 +
2076 2076  === 4.2.3 Change to Class A ===
2077 2077  
2078 2078  
... ... @@ -2084,19 +2084,11 @@
2084 2084  )))
2085 2085  
2086 2086  
2087 -= 5. Case Study =
1966 += 5. FAQ =
2088 2088  
2089 -== 5.1 Counting how many objects pass in Flow Line ==
1968 +== 5.1 How to upgrade the image? ==
2090 2090  
2091 2091  
2092 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2093 -
2094 -
2095 -= 6. FAQ =
2096 -
2097 -== 6.1 How to upgrade the image? ==
2098 -
2099 -
2100 2100  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2101 2101  
2102 2102  * Support new features
... ... @@ -2124,10 +2124,8 @@
2124 2124  
2125 2125   [[image:image-20220524103407-12.png]]
2126 2126  
2127 -
2128 2128  [[image:image-20220524103429-13.png]]
2129 2129  
2130 -
2131 2131  [[image:image-20220524104033-15.png]]
2132 2132  
2133 2133  
... ... @@ -2139,7 +2139,7 @@
2139 2139  
2140 2140  (((
2141 2141  (((
2142 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2011 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2143 2143  
2144 2144  
2145 2145  )))
... ... @@ -2152,7 +2152,7 @@
2152 2152  (((
2153 2153  
2154 2154  
2155 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2024 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2156 2156  
2157 2157  
2158 2158  )))
... ... @@ -2215,20 +2215,14 @@
2215 2215  [[image:1653360498588-932.png||height="485" width="726"]]
2216 2216  
2217 2217  
2218 -== 6.4 How to change the uplink interval？ ==
2087 +== 5.4 Can I see counting event in Serial? ==
2219 2219  
2220 2220  
2221 -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/]]
2222 -
2223 -
2224 -== 6.5 Can I see counting event in Serial? ==
2225 -
2226 -
2227 2227  (((
2228 2228  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.
2229 2229  
2230 2230  
2231 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2094 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2232 2232  
2233 2233  
2234 2234  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
... ... @@ -2237,7 +2237,7 @@
2237 2237  )))
2238 2238  
2239 2239  (((
2240 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2103 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2241 2241  
2242 2242  
2243 2243  If the device is not shut down, but directly powered off.
... ... @@ -2249,7 +2249,7 @@
2249 2249  After restart, the status before power failure will be read from flash.
2250 2250  
2251 2251  
2252 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2115 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2253 2253  
2254 2254  
2255 2255  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2258,18 +2258,18 @@
2258 2258  [[image:image-20221006170630-1.png||height="610" width="945"]]
2259 2259  
2260 2260  
2261 -== 6.9 Can LT22222-L save RO state? ==
2124 +== 5.8 Can LT22222-L save RO state? ==
2262 2262  
2263 2263  
2264 2264  Firmware version needs to be no less than 1.6.0.
2265 2265  
2266 2266  
2267 -= 7. Trouble Shooting =
2130 += 6. Trouble Shooting =
2268 2268  )))
2269 2269  
2270 2270  (((
2271 2271  (((
2272 -== 7.1 Downlink doesn't work, how to solve it? ==
2135 +== 6.1 Downlink doesn't work, how to solve it? ==
2273 2273  
2274 2274  
2275 2275  )))
... ... @@ -2282,7 +2282,7 @@
2282 2282  (((
2283 2283  
2284 2284  
2285 -== 7.2 Have trouble to upload image. ==
2148 +== 6.2 Have trouble to upload image. ==
2286 2286  
2287 2287  
2288 2288  )))
... ... @@ -2294,7 +2294,7 @@
2294 2294  (((
2295 2295  
2296 2296  
2297 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2160 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2298 2298  
2299 2299  
2300 2300  )))
... ... @@ -2304,7 +2304,7 @@
2304 2304  )))
2305 2305  
2306 2306  
2307 -= 8. Order Info =
2170 += 7. Order Info =
2308 2308  
2309 2309  
2310 2310  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2321,9 +2321,11 @@
2321 2321  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2322 2322  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2323 2323  
2324 -= 9. Packing Info =
2325 2325  
2326 2326  
2189 += 8. Packing Info =
2190 +
2191 +
2327 2327  **Package Includes**:
2328 2328  
2329 2329  * LT-22222-L I/O Controller x 1
... ... @@ -2338,9 +2338,11 @@
2338 2338  * Package Size / pcs : 14.5 x 8 x 5 cm
2339 2339  * Weight / pcs : 170g
2340 2340  
2341 -= 10. Support =
2342 2342  
2343 2343  
2208 += 9. Support =
2209 +
2210 +
2344 2344  * (((
2345 2345  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.
2346 2346  )))
... ... @@ -2351,7 +2351,7 @@
2351 2351  
2352 2352  )))
2353 2353  
2354 -= 11. Reference​​​​​ =
2221 += 10. Reference​​​​​ =
2355 2355  
2356 2356  
2357 2357  * 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]]
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