SimCom SIM7800 Series At Command Manual

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SIM7500_SIM7600_SIM7800 Series_FTPS_AT Command Manual 28 / 29
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4 Summary of FTP Error Code
FTP error code:.
<errorcode> Meaning
0
Success
1
SSL alert
2
Unknown error
3
Busy
4
Connection closed by server
5
Timeout
6
Transfer failed
7
File not exists or any other memory error
8
Invalid parameter
9
Operation rejected by server
10
Network error
11
State error
12
Failed to parse server name
13
Create socket error
14
Connect socket failed
15
Close socket failed
16
SSL session closed
17
File error, file not exist or other error.
421 Server response connection time out, while received error code
421, you need do AT+CFTPSLOGOUT to logout server then
AT+CFTPSLOGIN again for further operations.

SimCom SIM7800 Series Specifications

General

Brand	SimCom
Model	SIM7800 Series
Category	Control Unit
Language	English