We are all capable of doing things hope this work for you guys.
"STEP 1
Go to your browser and type:
http://192.168.1.1/fh
STEP 2
login with this credentials to enable telnet:
Username: f~i!b@e#r$h%o^m*esuperadmin
Password: s(f)u_h+g|u
STEP 3
Select Debug Switch
STEP 4
enable Telnet Switch...