Dec4240 Console Port

[wirehire]

 Hey,

we look for to buy a dec4240 appliance. Have anyone running it? We want use zenamor with ca 100 clients.
My question are , remote access , when gui and ssh stuck. The console port and usb port are rs232? Why no rj45 port. How can we access without stay on the applaince. Can we connect with a adapter the port to a switch ? Or used with a converter? How you used this?