ESR Series Routers Operation Manual                                                          29 
If  IP  address  is  not  obtained  for  some  reason,  assign  the  interface  address  manually  using  any 
address except for 192.168.1.1 in 192.168.1.0/24 subnet. 
5.2.1.2 RS-232 console port connection 
Using RJ-45/DBF9 cable included into device delivery package, connect the router 'Console' port to 
the computer RS-232 port. 
Launch terminal application (e.g. HyperTerminal or Minicom) and create a new connection. VT100 
terminal emulation mode should be used. 
Specify the following settings for RS-232 interface: 
  Bit rate:   115200bps  
  Data bits:   8bit  
  Parity:              no   
  Stop bits:           1  
  Flow control:     none 
5.2.2  Basic router configuration 
Upon the first startup, the router configuration procedure includes the following steps: 
  Changing password for "admin" user. 
  Creation of new users. 
  Assigning device name (Hostname). 
  Setting parameters for public network connection in accordance with the provider 
requirements. 
  Configuring remote connection to router. 
  Applying basic settings. 
5.2.2.1 Changing password for "admin" user 
To  ensure  the  secure  system  access,  you  should  change  the  password  for  the  privileged  'admin' 
user.  
  'techsupport'  account  ('eltex'  up  to  version  1.0.7)  is  required  for  service  center  specialist 
remote access.  
  'remote' account — RADIUS, TACACS+, LDAP authentication. 
  'admin',  'techsupport',  'remote'  users  cannot  be  deleted. You  may  only  change  passwords 
and a privilege level. 
Username and password are required for login during the device administration sessions.  
To change 'admin' password, use the following commands: 
esr# configure 
esr(config)# username admin 
esr(config-user)# password <new-password> 
esr(config-user)# exit