Digital cable broadcast processing apparatus and method thereof

A digital cable broadcast processing apparatus that provides open cable and POD functions, comprising:

• an OOB receiver to receive additional information from a transmission system;
• an interface in which a conditional access system (CAS) providing unit to descramble the received additional information is removably mounted;
• and
• a controller to control a power supply in accordance with a determination of the presence or absence of the CAS providing unit being mounted to the interface, including controlling power supplied to the OOB receiver from the power supply.

A digital cable broadcast processing apparatus that provides open cable and POD functions, comprising:

• an OOB processing system to receive and process additional information from a transmission system;
• an interface in which a conditional access system (CAS) providing unit to descramble the received additional information is removably mounted;
• and
• a controller to control a power supply in accordance with a determination of the presence or absence of the CAS providing unit being mounted to the interface, including controlling power supplied to the OOB processing system from the power supply.