Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 90.7 >
edited by Xiaoling
on 2022/08/18 13:38
To version < 98.1 >
edited by Edwin Chen
on 2022/10/06 17:06
>
Change comment: Uploaded new attachment "image-20221006170630-1.png", version {1}

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
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  (((
... ... @@ -36,7 +36,7 @@
36 36  )))
37 37  
38 38  (((
39 -1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 40  )))
41 41  
42 42  (((
... ... @@ -57,7 +57,7 @@
57 57  (((
58 58  
59 59  
60 -**Hardware System:**
61 +(% style="color:#037691" %)**Hardware System:**
61 61  )))
62 62  
63 63  * (((
... ... @@ -82,7 +82,7 @@
82 82  (((
83 83  
84 84  
85 -**Interface for Model: LT22222-L:**
86 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
86 86  )))
87 87  
88 88  * (((
... ... @@ -107,7 +107,7 @@
107 107  (((
108 108  
109 109  
110 -**LoRa Spec:**
111 +(% style="color:#037691" %)**LoRa Spec:**
111 111  )))
112 112  
113 113  * (((
... ... @@ -177,7 +177,7 @@
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 179  * Optional Customized LoRa Protocol
180 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
181 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
181 181  * AT Commands to change parameters
182 182  * Remote configure parameters via LoRa Downlink
183 183  * Firmware upgradable via program port
... ... @@ -185,6 +185,7 @@
185 185  
186 186  
187 187  
189 +
188 188  == 1.4  Applications ==
189 189  
190 190  
... ... @@ -197,6 +197,7 @@
197 197  
198 198  
199 199  
202 +
200 200  == 1.5 Hardware Variants ==
201 201  
202 202  
... ... @@ -212,6 +212,8 @@
212 212  )))
213 213  
214 214  
218 +
219 +
215 215  = 2. Power ON Device =
216 216  
217 217  
... ... @@ -219,6 +219,8 @@
219 219  
220 220  (((
221 221  PWR will on when device is properly powered.
227 +
228 +
222 222  )))
223 223  
224 224  [[image:1653297104069-180.png]]
... ... @@ -227,6 +227,7 @@
227 227  
228 228  = 3. Operation Mode =
229 229  
237 +
230 230  == 3.1 How it works? ==
231 231  
232 232  
... ... @@ -304,6 +304,7 @@
304 304  
305 305  
306 306  
315 +
307 307  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
308 308  
309 309  
... ... @@ -323,8 +323,10 @@
323 323  * DI is for digital input. DIx=1: high or float, DIx=0: low.
324 324  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
325 325  
326 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
327 327  
336 +
337 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 +
328 328  For example if payload is: [[image:image-20220523175847-2.png]]
329 329  
330 330  
... ... @@ -343,6 +343,8 @@
343 343  * [1] RO1 relay channel is close and the RO1 LED is ON.
344 344  * [0] RO2 relay channel is open and RO2 LED is OFF;
345 345  
357 +
358 +
346 346  **LT22222-L:**
347 347  
348 348  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -360,6 +360,8 @@
360 360  
361 361  
362 362  
376 +
377 +
363 363  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
364 364  
365 365  
... ... @@ -383,7 +383,7 @@
383 383  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
384 384  
385 385  (((
386 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
401 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
387 387  )))
388 388  
389 389  (((
... ... @@ -405,6 +405,8 @@
405 405  
406 406  
407 407  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 +
424 +
408 408  )))
409 409  
410 410  (((
... ... @@ -446,7 +446,7 @@
446 446  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
447 447  
448 448  (((
449 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
466 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
450 450  )))
451 451  
452 452  
... ... @@ -490,7 +490,7 @@
490 490  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
491 491  
492 492  (((
493 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
510 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
494 494  )))
495 495  
496 496  (((
... ... @@ -551,7 +551,7 @@
551 551  )))
552 552  
553 553  (((
554 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
571 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
555 555  )))
556 556  
557 557  (((
... ... @@ -585,11 +585,16 @@
585 585  * **AT+MOD=1 ** **~-~->**  The normal working mode
586 586  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
587 587  
605 +
606 +
588 588  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
589 589  
590 590  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
591 591  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
592 592  
612 +
613 +
614 +
593 593  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
594 594  
595 595  
... ... @@ -597,6 +597,7 @@
597 597  
598 598  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
599 599  
622 +
600 600  **Example:**
601 601  
602 602  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
... ... @@ -609,6 +609,7 @@
609 609  
610 610  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
611 611  
635 +
612 612  **Example:**
613 613  
614 614  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -627,6 +627,7 @@
627 627  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
628 628  
629 629  
654 +
630 630  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
631 631  
632 632  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -670,11 +670,14 @@
670 670  
671 671  * Each bits shows if the corresponding trigger has been configured.
672 672  
698 +
699 +
673 673  **Example:**
674 674  
675 675  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
676 676  
677 677  
705 +
678 678  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
679 679  
680 680  [[image:image-20220524090249-3.png]]
... ... @@ -681,11 +681,14 @@
681 681  
682 682  * Each bits shows which status has been trigger on this uplink.
683 683  
712 +
713 +
684 684  **Example:**
685 685  
686 686  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
687 687  
688 688  
719 +
689 689  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
690 690  
691 691  [[image:image-20220524090456-4.png]]
... ... @@ -692,6 +692,8 @@
692 692  
693 693  * Each bits shows which status has been trigger on this uplink.
694 694  
726 +
727 +
695 695  **Example:**
696 696  
697 697  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -699,6 +699,7 @@
699 699  00000101: Means both DI1 and DI2 trigger are enabled.
700 700  
701 701  
735 +
702 702  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
703 703  
704 704  Downlink command to poll MOD6 status:
... ... @@ -709,6 +709,7 @@
709 709  
710 710  
711 711  
746 +
712 712  === 3.3.7 Payload Decoder ===
713 713  
714 714  (((
... ... @@ -797,6 +797,7 @@
797 797  
798 798  **0x08 FF     **~/~/ Poll an uplink
799 799  
835 +
800 800  **Example**: 0x08FF, ask device to send an Uplink
801 801  
802 802  
... ... @@ -885,6 +885,7 @@
885 885  
886 886  
887 887  
924 +
888 888  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
889 889  
890 890  
... ... @@ -963,7 +963,7 @@
963 963  (((
964 964  
965 965  
966 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1003 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
967 967  )))
968 968  
969 969  
... ... @@ -991,11 +991,11 @@
991 991  [[image:image-20220524092754-5.png]]
992 992  
993 993  (((
994 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1031 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
995 995  )))
996 996  
997 997  (((
998 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1035 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
999 999  )))
1000 1000  
1001 1001  
... ... @@ -1040,11 +1040,11 @@
1040 1040  [[image:image-20220524093351-8.png]]
1041 1041  
1042 1042  
1043 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1044 1044  
1045 1045   Latching time. Unit: ms
1046 1046  
1047 -Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1048 1048  
1049 1049  
1050 1050  **Example payload:**
... ... @@ -1093,7 +1093,7 @@
1093 1093  [[image:image-20220524093724-9.png]]
1094 1094  )))
1095 1095  
1096 -Device will upload a packet if downlink code executes successfully.
1133 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1097 1097  
1098 1098  
1099 1099  
... ... @@ -1127,9 +1127,9 @@
1127 1127  [[image:image-20220714135731-1.png||height="406" width="627"]]
1128 1128  
1129 1129  
1130 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1167 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1131 1131  
1132 -Device will upload a packet if downlink code executes successfully.
1169 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1133 1133  
1134 1134  
1135 1135  **Example payload:**
... ... @@ -1152,7 +1152,6 @@
1152 1152  
1153 1153  
1154 1154  
1155 -
1156 1156  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1157 1157  
1158 1158  
... ... @@ -1225,11 +1225,121 @@
1225 1225  (((
1226 1226  range: aa bb cc:0 to 16777215,  (unit:second)
1227 1227  
1264 +
1265 +
1228 1228  
1229 1229  )))
1230 1230  
1269 +==== 3.4.2.20 Reset save DR DO state ====
1231 1231  
1232 1232  
1272 +* (% style="color:#037691" %)**AT Command:**
1273 +
1274 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1275 +
1276 +**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1277 +
1278 +
1279 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1280 +
1281 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1282 +
1283 +(((
1284 +
1285 +
1286 +
1287 +
1288 +==== 3.4.2.21 Encrypted payload ====
1289 +
1290 +
1291 +* (% style="color:#037691" %)**AT Command:**
1292 +
1293 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1294 +
1295 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1296 +
1297 +
1298 +
1299 +
1300 +==== 3.4.2.22 Get sensor value ====
1301 +
1302 +
1303 +* (% style="color:#037691" %)**AT Command:**
1304 +
1305 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1306 +
1307 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1308 +
1309 +
1310 +
1311 +
1312 +==== 3.4.2.23 Resets the downlink packet count ====
1313 +
1314 +
1315 +* (% style="color:#037691" %)**AT Command:**
1316 +
1317 +**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)
1318 +
1319 +**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.
1320 +
1321 +
1322 +
1323 +
1324 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1325 +
1326 +
1327 +* (% style="color:#037691" %)**AT Command:**
1328 +
1329 + **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)
1330 +
1331 + **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.
1332 +
1333 +
1334 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1335 +
1336 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1337 +
1338 +
1339 +
1340 +
1341 +==== 3.4.2.25 Copy downlink to uplink ====
1342 +
1343 +
1344 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1345 +
1346 + **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1347 +
1348 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1349 +
1350 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1351 +
1352 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1353 +
1354 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1355 +
1356 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1357 +
1358 +
1359 +
1360 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1361 +
1362 +
1363 +* (((
1364 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1365 +
1366 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 +
1368 +
1369 +)))
1370 +
1371 +**Example：**
1372 +
1373 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1374 +
1375 +
1376 +
1377 +)))
1378 +
1233 1233  == 3.5 Integrate with Mydevice ==
1234 1234  
1235 1235  
... ... @@ -1328,10 +1328,10 @@
1328 1328  )))
1329 1329  
1330 1330  * (((
1331 -Connect sensor’s output to DI1-
1477 +Connect sensor's output to DI1-
1332 1332  )))
1333 1333  * (((
1334 -Connect sensor’s VCC to DI1+.
1480 +Connect sensor's VCC to DI1+.
1335 1335  )))
1336 1336  
1337 1337  (((
... ... @@ -1339,11 +1339,11 @@
1339 1339  )))
1340 1340  
1341 1341  (((
1342 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1343 1343  )))
1344 1344  
1345 1345  (((
1346 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1492 +If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1347 1347  )))
1348 1348  
1349 1349  (((
... ... @@ -1361,10 +1361,10 @@
1361 1361  )))
1362 1362  
1363 1363  * (((
1364 -Connect sensor’s output to DI1+
1510 +Connect sensor's output to DI1+
1365 1365  )))
1366 1366  * (((
1367 -Connect sensor’s GND DI1-.
1513 +Connect sensor's GND DI1-.
1368 1368  )))
1369 1369  
1370 1370  (((
... ... @@ -1394,10 +1394,10 @@
1394 1394  )))
1395 1395  
1396 1396  * (((
1397 -Connect sensor’s output to DI1+ with a serial 50K resistor
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1398 1398  )))
1399 1399  * (((
1400 -Connect sensor’s GND DI1-.
1546 +Connect sensor's GND DI1-.
1401 1401  )))
1402 1402  
1403 1403  (((
... ... @@ -1464,6 +1464,7 @@
1464 1464  
1465 1465  [[image:image-20220524100215-9.png]]
1466 1466  
1613 +
1467 1467  [[image:image-20220524100215-10.png||height="382" width="723"]]
1468 1468  
1469 1469  
... ... @@ -1796,6 +1796,8 @@
1796 1796  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1797 1797  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?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1798 1798  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
1946 +
1947 +
1799 1799  )))
1800 1800  
1801 1801  (((
... ... @@ -1835,7 +1835,7 @@
1835 1835  
1836 1836  (((
1837 1837  (% style="color:blue" %)**Step1**(%%)**:** Download [[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]].
1838 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1987 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1839 1839  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1840 1840  
1841 1841  
... ... @@ -1891,6 +1891,7 @@
1891 1891  (((
1892 1892  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1893 1893  
2043 +
1894 1894  
1895 1895  )))
1896 1896  )))
... ... @@ -1897,10 +1897,14 @@
1897 1897  
1898 1898  (((
1899 1899  (% style="color:blue" %)**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.
2050 +
2051 +
1900 1900  )))
1901 1901  
1902 1902  (((
1903 1903  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1904 1904  )))
1905 1905  
1906 1906  (((
... ... @@ -1908,8 +1908,11 @@
1908 1908  )))
1909 1909  
1910 1910  
2065 +
1911 1911  (((
1912 1912  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2068 +
2069 +
1913 1913  )))
1914 1914  
1915 1915  (((
... ... @@ -1966,6 +1966,8 @@
1966 1966  
1967 1967  
1968 1968  = 6. Trouble Shooting =
2126 +
2127 +
1969 1969  )))
1970 1970  
1971 1971  (((
... ... @@ -2059,7 +2059,6 @@
2059 2059  
2060 2060  
2061 2061  
2062 -
2063 2063  
2064 2064  )))
2065 2065  
image-20221006170630-1.png
Author
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1 +XWiki.Edwin
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