$ telnet 192.168.1.1
Trying 192.168.1.1...
Connected to 192.168.1.1.
Escape character is '^]'.

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                         Welcome to D-Link GLB-802C configuration   
                         ****************************************

D-Link India Ltd, Software Release 2.5.060823e1

login: admin
password: 
Login Successful
$ help
Command        Description
-------        -----------
alias          To Alias a command                           
commit         Commit the active config to the flash        
exit           To exit the CLI shell                        
get            Display info for the search                  
help           Provides help                                
modify         Modify information for specified entry       
passwd         To modify user password                      
ping           The normal ping command                      
prompt         Change the user prompt                       
reboot         Reboot the device                            
traceroute     The normal traceroute command                
trigger        To set trigger                               
unalias        To undefine previously defined alias         
verbose        Switch ON/OFF the verbose mode               
$