telnet ip 60000

wait until timout occurs (few minutes) --> you get a prompt with ">"

enter "MCLI" and password MCLI

now change the MIB-variable "rlTerminalDebugModePassword" to something you
like by entering on the >-prompt:

rlTerminalDebugModePassword

then choose "1"

enter your desired pass

enter "e" and yes  --> Variable instance updated

pass shoud now be updated.