still can not connect to the server (1.0.981.37)

Resolving host name xxx.xxx.xxx...
Connecting to (xxx.xxx.xxx) -> IP: 61.xx.xxx.xx PORT: 21
Connected to (xxx.xxx.xxx) -> Time = 10ms
Socket connected waiting for login sequence.
220 Serv-U FTP Server v5.0 for WinSock ready...
USER anonymous
331 User name okay, please send complete E-mail address as password.
PASS (hidden)
230 User logged in, proceed.
SYST
215 UNIX Type: L8
FEAT
211-Extension supported
CLNT
MDTM
MDTM YYYYMMDDHHMMSS[+-TZ];filename
SIZE
SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
REST STREAM
XCRC filename;start;end
211 End
Detected Server Software: Serv-U 4.x
CLNT SmartFTP 1.0.981
200 Noted.
PWD
257 "/" is current directory.
TYPE A
200 Type set to A.
PASV