Porting Layer Technology for CATV Set-top Box Power Control

• This technology provides switching and power management features for each ode such as CATV set-box On mode, Active Standby mode, Passive Standby ode, Off mode, etc.
  
• Mode Switching Method:
  ① Use On/Off button of remote control to switch the set-top box to Active tandby mode
  ② Use a button of remote control to switch the set-top box to Passive Standby ode
  ③ Use On/Off button of remote control to switch the set-top box from Active tandby/Passive Standby mode to On mode