Connect to Cisco console via Portserver II - I can see ONE screen output ONLY

Hi! help me please:

when I make telnet connection to the IP address/port to access the console port of my Cisco through the PortServer II 16, I login successfully, but if command output generate more than one screen, it looks like the string “----More----” works like “Any key”, and output breaking. How can I fix it?

Thank u!