In order to set up a SPARCstation up to a Network Terminal Server (NTS)
so that the NTS is used as a console server, the NTS and the SPARCstation
should be configured as follows:

NTS:
    The NTS is commonly used as a console server for Sun systems. This
    eliminates the cost of providing video monitors for every system and 
    allows for remote administration of multiple system. To set up such a 
    configuration:

- Run a true NULL Modem cable between the NTS serial port and the ttya port
  of the Sun system.
- Set the NTS port mode to "slave" (see sample below)
- Set the NTS port for the correct speed, parity, data bits and stop bits,
  NOTE: These should match the Sun serial port settings. The defaults are
        9600 BAUD, 8 bits, no parity, 1 stop bit
- Set the NVRAM port parameters on the Sun from the "ok" prompt:
  setenv ttya-ignore-cd true (set to false if the port will not hangup)
 
Sample NTS port:

admin : show port all

Port #:

                        Port Generic Parameters

                mode: slave                        location: ""               
                type: hardwired                    term_var: ""               
              prompt: ""                              speed: 9600             
           data_bits: 8                           stop_bits: 1                
              parity: none                max_session_count: 3                
     allow_broadcast: Y                 broadcast_direction: port             
         imask_7bits: N                          cli_imask7: Y                
   ps_history_buffer: 0                              banner: Y                
       tcp_keepalive: 0                

                        Flow Control and Signal Parameters

       control_lines: none               input_flow_control: bell             
    input_start_char: ^Q                    input_stop_char: ^S               
 output_flow_control: start/stop          output_start_char: ^Q               
    output_stop_char: ^S                  input_buffer_size: 1                
 bidirectional_modem: N                  ixany_flow_control: N                
            need_dsr: N                

                        Port Timers and Counters

    forwarding_timer: off                  forwarding_count: 0                
      cli_inactivity: off                  inactivity_timer: off              
   input_is_activity: Y                  output_is_activity: N                
  reset_idle_time_on: input                      long_break: Y                
         short_break: Y                

                        Port Security Parameters

           user_name: ""                       cli_security: N                
    connect_security: N                port_server_security: N                
       port_password: "<unset>"        

                        CLI Line Editing Parameters

         attn_string: ""                               echo: Y                
       telnet_escape: ^]                        telnet_crlf: N                
        map_to_lower: N                        map_to_upper: N                
          char_erase: Y                          line_erase: Y                
       hardware_tabs: Y                          erase_char: ^?               
          erase_word: ^W                         erase_line: ^U               
      redisplay_line: ^R                      toggle_output: ^O               
    newline_terminal: N                

                        Serial Networking Protocol Parameters

       local_address: 0.0.0.0                remote_address: 0.0.0.0          
    dialup_addresses: N                              metric: 0                
   slip_ppp_security: N                      do_compression: N                

                        SLIP Parameters

         subnet_mask: 0.0.0.0           slip_load_dump_host: 0.0.0.0          
     slip_allow_dump: Y                       slip_mtu_size: small            
slip_allow_compression: N                        slip_no_icmp: N               

            slip_tos: N                

                        PPP Parameters

             ppp_mru: 1500                          ppp_acm: 0x0              
ppp_security_protocol: none              ppp_username_remote: ""               
 ppp_password_remote: "<unset>"        

                        Dedicated Port Parameters

   dedicated_address: 0.0.0.0                dedicated_port: telnet           


******************************************************************************


Headless SPARCstation eeprom:

At the "ok" prompt you can view the settings with the "printenv" command.

OR

If the system is up, you can view the settings with the "eeprom" command.

NOT: In order to change the settings, it must be done at the "ok" prompt
     with the "setenv" command

The settings should be as follows:

ttya-rts-dtr-off=false
ttya-ignore-cd=true (again,set to false if the port will not hangup)
ttya-mode=9600,8,n,1,-  
input-device=ttya
output-device=ttya

NOTE: By default, if a SPARCstation doesn't have a monitor/keyboard, the
console is hard coded to serial port a (ttya).

SOLUTION SUMMARY: