SimCom SIM7500 Series At Command Manual page 15

Defined Values
<filepath>
<rest_size>
<using_cache>
SIM7500_SIM7600_SIM7800 Series_FTPS_AT Command Manual
+CFTPSGET: DATA,<len>
...
+CFTPSGET: DATA, <len>
...
...
+CFTPSGET: 0
b) if <using_cache> is 1 and get file successfully:
OK
+CFTPS: RECV EVENT
AT+CFTPSCACHERD?//you can use this command to
//check the size of the received
//data
+CFTPSCACHERD: 102400
OK
//output cached data now:
AT+CFTPSCACHERD
+CFTPSGET: DATA,<len>
......
OK
......
+CFTPSGET: 0
c)if failed:
OK
+CFTPSGET:<errcode>
d)if parameter format or any other errors:
ERROR
The remote file path. When the file path doesn't contain "/"，
this command transfer file from the current remote FTPS
directory. If the file path contains non-ASCII characters, the file
path parameter should contain a prefix of {non-ascii}.String
type, maximum length is 256.
The value for FTP "REST" command which is used for broken
transfer when transferring failed last time. Numeric type, the
range is from 0 to 2147483647
Numeric, rang is 0-1
0–Do not use cache, module will output the items data to serial
port when list successfully.
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