Nortel Baystack 450-24T switch

Hi,

In our corporat office we have nortel baystack 450-24T unmanaged switches which are 10 yrs old.As i am new to this office, i want to check the switch configuration.so i am trying to connect it through the console port using hyperterminal,but i couldnt go into the CI main menu.i couldnt access the switch,nothing appers onthe hyperterminal window after it is connected. can u one of u guys help me out with a solution.
thank you very much