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Changes for page Debug NB-IoT Connection

Last modified by Xiaoling on 2024/08/19 16:09
From version 1.1
edited by Xiaoling
on 2022/05/17 15:10
Change comment: There is no comment for this version
To version 10.1
edited by Xiaoling
on 2024/08/19 16:09
Change comment: There is no comment for this version

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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +(% class="wikigeneratedid" %)
2 +**Table of Contents:**
3 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= Paragraph 1 =
6 6  
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8 8  
9 -== Sub-paragraph ==
10 10  
11 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
12 12  
13 -== Sub-paragraph ==
10 += **For BC95-G** =
14 14  
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12 +----
16 16  
17 -=== Sub-sub paragraph ===
18 18  
19 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
15 +== (% style="color:blue" %)**1. Check the reason why you can't access the network**(%%) ==
20 20  
17 +(% style="color:#037691" %)**1) AT+CEREG=5**
21 21  
22 -= Paragraph 2 =
19 +(% style="color:#037691" %)**2) AT+CEREG?**  (%%) ~/~/  This process may be longer, please repeat the input
23 23  
24 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
21 +(% style="color:#037691" %)**3) Mainly check the two parameters **(% style="color:red" %)**cause_type and reject_case**
25 25  
26 -== Sub-paragraph ==
27 27  
28 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
24 +[[image:image-20220530093747-3.png]]
29 29  
30 -== Sub-paragraph ==
31 31  
32 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
27 +== (% style="color:blue" %)**2. Network access operation:**(%%) ==
28 +
29 +(% style="color:#037691" %)**1) AT+CFUN=0**
30 +
31 +(% style="color:#037691" %)**2) AT+NBAND=X**  (%%) ~/~/  X means the local frequency band number
32 +
33 +(% style="color:#037691" %)**3) AT+NRB**
34 +
35 +(% style="color:#037691" %)**4) After waiting for a period of time, you can use **(% style="color:red" %)**AT+CSQ **(%%)**to query the network access**
36 +
37 +
38 +[[image:image-20220530093821-4.png]]
39 +
40 +
41 +(% style="color:blue" %)**Remarks:**
42 +
43 +~1. The operating voltage of the SIM card used must be less than 3.0V.
44 +
45 +2. The network access time varies with the signal strength.
46 +
47 +3. If you have not been able to access the network, please try to access the network manually.
48 +
49 +
50 +== (% style="color:blue" %)**3. Check the PS Attach or Detach  **(%%) ==
51 +
52 +(% style="color:#037691" %)**1) AT+CGATT?**
53 +
54 +(% style="color:#037691" %)**Response
55 ++CGATT: <state>
56 +OK**
57 +
58 +(% style="color:#037691" %)**Write Command
59 +AT+CGATT=<state>**
60 +
61 +(% style="color:#037691" %)**<state> Integer type. Indicates the state of PS attachment.
62 +0 Detached
63 +1 Attached**(%%)
64 +
65 +
66 +**Note:Generally, when registering with an operator, attaching GPRS is automatic, and CGATT can manually attach the network.**
67 +
68 +
69 +== (% style="color:blue" %)**4. Check the signaling connection status:**(%%) ==
70 +
71 +(% style="color:#037691" %)**1) AT+CSCON?**
72 +
73 +(% style="color:#037691" %)**Response
74 ++CSCON: <n>,<mode>
75 +OK**
76 +
77 +(% style="color:#037691" %)**<n> Enable/disable the URC. 
78 +0 Disable the URC
79 +1 Enable URC +CSCON: <mode> 
80 +<mode>Signaling connection status.
81 +0 Idle
82 +1 Connected**
83 +
84 +
85 +== (% style="color:blue" %)**5. Check the PDP Context Activate/Deactivate**(%%) ==
86 +
87 +(% style="color:#037691" %)**1) AT+CGACT?**
88 +
89 +(% style="color:#037691" %)**Response
90 +[+CGACT: <cid>,<state>]**
91 +
92 +(% style="color:#037691" %)**[+CGACT: <cid>,<state>]
93 +[…]
94 +OK**
95 +
96 +(% style="color:#037691" %)**<state> Integer type. The state of PDP context activation.
97 +0 Deactivated
98 +1 Activated
99 +<cid> Integer type. A numeric parameter which specifies a particular PDP context definition (see 
100 +AT+CGDCONT).**(%%)
101 +
102 +
103 +(% style="color:red" %)**Note: Note that having a cell ID attached to the network does not necessarily mean successful activation. For data exchange, such as initiating HTTP requests, activation is necessary to use them.**
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