Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 163.1 >
edited by Dilisi S
on 2024/11/06 04:29
To version < 165.1 >
edited by Dilisi S
on 2024/11/06 22:47
>
Change comment: some minor edits on 6th nov. as part 1

Summary

Details

Page properties
Content
... ... @@ -40,7 +40,7 @@
40 40  
41 41  * If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
42 42  * If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
43 -* Set up your own private LoRaWAN network.
43 +* Setup your own private LoRaWAN network.
44 44  
45 45  > You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
46 46  )))
... ... @@ -169,7 +169,7 @@
169 169  |(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 170  |(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
171 171  
172 -== 2.3 Powering the LT-22222-L  ==
172 +== 2.3 Powering the LT-22222-L ==
173 173  
174 174  The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator (PWR) LED will turn on when the device is properly powered.
175 175  
... ... @@ -593,7 +593,6 @@
593 593  1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
594 594  1. Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**CONFIRMED uplinks.**
595 595  
596 -
597 597  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
598 598  
599 599  (% style="color:#4f81bd" %)**Trigger based on voltage**:
... ... @@ -603,9 +603,9 @@
603 603  
604 604  **Example:**
605 605  
606 -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)
605 +AT+AVLIM=3000,6000,0,2000   (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
607 607  
608 -AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
607 +AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
609 609  
610 610  
611 611  (% style="color:#4f81bd" %)**Trigger based on current**:
... ... @@ -615,12 +615,12 @@
615 615  
616 616  **Example:**
617 617  
618 -AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
617 +AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
619 619  
620 620  
621 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
620 +(% style="color:#4f81bd" %)**Trigger based on DI status**:
622 622  
623 -DI status trigger Flag.
622 +DI status triggers Flag.
624 624  
625 625  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
626 626  
... ... @@ -630,39 +630,38 @@
630 630  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
631 631  
632 632  
633 -(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
632 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
634 634  
635 635  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
636 636  
637 637  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
638 638  
639 - AA: Code for this downlink Command:
638 + AA: Type Code for this downlink Command:
640 640  
641 - xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
640 + xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
642 642  
643 - yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
642 + yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
644 644  
645 - yy2 yy2: AC1 or AV1 high limit.
644 + yy2 yy2: AC1 or AV1 HIGH limit.
646 646  
647 - yy3 yy3: AC2 or AV2 low limit.
646 + yy3 yy3: AC2 or AV2 LOW limit.
648 648  
649 - Yy4 yy4: AC2 or AV2 high limit.
648 + Yy4 yy4: AC2 or AV2 HIGH limit.
650 650  
651 651  
652 -**Example1**: AA 00 13 88 00 00 00 00 00 00
651 +**Example 1**: AA 00 13 88 00 00 00 00 00 00
653 653  
654 -Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
653 +Same as AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage is lower than 5V. Use 0s for parameters that are not in use)
655 655  
656 656  
657 -**Example2**: AA 02 01 00
656 +**Example 2**: AA 02 01 00
658 658  
659 -Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
658 +Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
660 660  
661 661  
662 -
663 663  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
664 664  
665 -MOD6 Payload : total 11 bytes payload
663 +MOD6 Payload: total of 11 bytes
666 666  
667 667  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
668 668  |(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
... ... @@ -676,10 +676,10 @@
676 676  MOD(6)
677 677  )))
678 678  
679 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
677 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
680 680  
681 681  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
682 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
680 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
683 683  |(((
684 684  AV1_LOW
685 685  )))|(((
... ... @@ -698,17 +698,17 @@
698 698  AC2_HIGH
699 699  )))
700 700  
701 -* Each bits shows if the corresponding trigger has been configured.
699 +* Each bit shows if the corresponding trigger has been configured.
702 702  
703 703  **Example:**
704 704  
705 -10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
703 +10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
706 706  
707 707  
708 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
706 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
709 709  
710 710  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
711 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
709 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
712 712  |(((
713 713  AV1_LOW
714 714  )))|(((
... ... @@ -727,11 +727,11 @@
727 727  AC2_HIGH
728 728  )))
729 729  
730 -* Each bits shows which status has been trigger on this uplink.
728 +* Each bit shows which status has been triggered on this uplink.
731 731  
732 732  **Example:**
733 733  
734 -10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
732 +10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
735 735  
736 736  
737 737  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
... ... @@ -740,7 +740,7 @@
740 740  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
741 741  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
742 742  
743 -* Each bits shows which status has been trigger on this uplink.
741 +* Each bits shows which status has been triggered on this uplink.
744 744  
745 745  **Example:**
746 746  
... ... @@ -797,33 +797,37 @@
797 797  ==== 3.4.2.1 Set Transmit Interval ====
798 798  
799 799  
800 -Set device uplink interval.
798 +Sets the uplink interval of the device.
801 801  
802 -* (% style="color:#037691" %)**AT Command:**
800 +* (% style="color:#037691" %)**AT command:**
803 803  
804 -(% style="color:blue" %)**AT+TDC=N **
802 +(% style="color:blue" %)**AT+TDC=N**
805 805  
804 +where N is the time in milliseconds.
806 806  
807 -**Example: **AT+TDC=30000. Means set interval to 30 seconds
806 +**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
808 808  
809 809  
810 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
809 +* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
811 811  
812 812  (% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
813 813  
814 814  
815 815  
816 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
815 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
817 817  
818 818  
819 -Set work mode.
818 +Sets the work mode.
820 820  
821 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
820 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
822 822  
823 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
822 +Where N is the work mode.
824 824  
825 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
824 +**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
826 826  
826 +
827 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
828 +
827 827  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
828 828  
829 829  
... ... @@ -831,10 +831,12 @@
831 831  ==== 3.4.2.3 Poll an uplink ====
832 832  
833 833  
834 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
836 +Asks the device to send an uplink.
835 835  
836 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
838 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
837 837  
840 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
841 +
838 838  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
839 839  
840 840  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -841,16 +841,16 @@
841 841  
842 842  
843 843  
844 -==== 3.4.2.4 Enable Trigger Mode ====
848 +==== 3.4.2.4 Enable/Disable Trigger Mode ====
845 845  
846 846  
847 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
851 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
848 848  
849 849  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
850 850  
851 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
855 +(% style="color:red" %)**1:** (%%)Enable the trigger mode
852 852  
853 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
857 +(% style="color:red" %)**0: **(%%)Disable the trigger mode
854 854  
855 855  
856 856  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
... ... @@ -862,7 +862,7 @@
862 862  ==== 3.4.2.5 Poll trigger settings ====
863 863  
864 864  
865 -Poll trigger settings
869 +Polls the trigger settings
866 866  
867 867  * (% style="color:#037691" %)**AT Command:**
868 868  
... ... @@ -870,7 +870,7 @@
870 870  
871 871  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
872 872  
873 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
877 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
874 874  
875 875  
876 876  
... ... @@ -877,11 +877,11 @@
877 877  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
878 878  
879 879  
880 -Enable Disable DI1/DI2/DI2 as trigger,
884 +Enable or Disable DI1/DI2/DI2 as trigger,
881 881  
882 882  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
883 883  
884 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
888 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
885 885  
886 886  
887 887  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
... ... @@ -913,15 +913,15 @@
913 913  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
914 914  
915 915  
916 -Set DI2 trigger.
920 +Sets DI2 trigger.
917 917  
918 918  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
919 919  
920 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
924 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
921 921  
922 922  (% style="color:red" %)**b :** (%%)delay timing.
923 923  
924 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
928 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
925 925  
926 926  
927 927  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
... ... @@ -959,7 +959,7 @@
959 959  ==== 3.4.2.11 Trigger – Set minimum interval ====
960 960  
961 961  
962 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
966 +Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
963 963  
964 964  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
965 965  
... ... @@ -1107,7 +1107,7 @@
1107 1107  )))
1108 1108  
1109 1109  (((
1110 -00: Close ,  01: Open , 11: No action
1114 +00: Closed ,  01: Open , 11: No action
1111 1111  
1112 1112  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1113 1113  |(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
... ... @@ -1229,7 +1229,7 @@
1229 1229  
1230 1230  
1231 1231  
1232 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1236 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1233 1233  
1234 1234  
1235 1235  * (% style="color:#037691" %)**AT Command:**
... ... @@ -2007,10 +2007,10 @@
2007 2007  
2008 2008  = 5. Case Study =
2009 2009  
2010 -== 5.1 Counting how many objects pass in Flow Line ==
2014 +== 5.1 Counting how many objects pass through the flow Line ==
2011 2011  
2012 2012  
2013 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2017 +Reference Link: [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
2014 2014  
2015 2015  
2016 2016  = 6. FAQ =
... ... @@ -2018,26 +2018,26 @@
2018 2018  == 6.1 How to upgrade the image? ==
2019 2019  
2020 2020  
2021 -The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2025 +The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to:
2022 2022  
2023 -* Support new features
2024 -* For bug fix
2027 +* Support new features.
2028 +* Fix bugs.
2025 2025  * Change LoRaWAN bands.
2026 2026  
2027 -Below is the hardware connection for how to upload an image to the LT:
2031 +Below is the hardware connection setup for uploading an image to the LT:
2028 2028  
2029 2029  [[image:1653359603330-121.png]]
2030 2030  
2031 2031  
2032 2032  (((
2033 -(% 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]].
2034 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2035 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2037 +(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash 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]].
2038 +(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2039 +(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
2036 2036  
2037 2037  
2038 2038  (((
2039 2039  (% style="color:blue" %)**For LT-22222-L**(%%):
2040 -Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
2044 +Hold down the PRO button, then momentarily press the RST reset button. The (% style="color:red" %)**DO1 LED**(%%) will change from OFF to ON. When the (% style="color:red" %)**DO1 LED**(%%) is ON, it indicates that the device is in download mode.
2041 2041  )))
2042 2042  
2043 2043  
... ... @@ -2052,7 +2052,7 @@
2052 2052  [[image:image-20220524104033-15.png]]
2053 2053  
2054 2054  
2055 -(% 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:
2059 +(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
2056 2056  
2057 2057  [[image:1653360054704-518.png||height="186" width="745"]]
2058 2058  
... ... @@ -2066,13 +2066,13 @@
2066 2066  )))
2067 2067  
2068 2068  (((
2069 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
2073 +You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2070 2070  )))
2071 2071  
2072 2072  (((
2073 2073  
2074 2074  
2075 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2079 +== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2076 2076  
2077 2077  
2078 2078  )))
... ... @@ -2079,13 +2079,13 @@
2079 2079  
2080 2080  (((
2081 2081  (((
2082 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
2086 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2083 2083  )))
2084 2084  )))
2085 2085  
2086 2086  (((
2087 2087  (((
2088 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2092 +Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2089 2089  
2090 2090  
2091 2091  )))
... ... @@ -2092,7 +2092,7 @@
2092 2092  )))
2093 2093  
2094 2094  (((
2095 -(% 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.
2099 +(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
2096 2096  
2097 2097  
2098 2098  )))
... ... @@ -2149,7 +2149,7 @@
2149 2149  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/]]
2150 2150  
2151 2151  
2152 -== 6.5 Can I see counting event in Serial? ==
2156 +== 6.5 Can I see the counting event in Serial? ==
2153 2153  
2154 2154  
2155 2155  (((
... ... @@ -2156,10 +2156,10 @@
2156 2156  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.
2157 2157  
2158 2158  
2159 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2163 +== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2160 2160  
2161 2161  
2162 -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]].
2166 +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]].
2163 2163  
2164 2164  
2165 2165  )))

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