What is the maximum number of Combo cards supported on the IP500 V2 control unit?

The maximum number of Combo cards supported on the IP500 V2 control unit is indeed two. The IP500 V2 is designed to be flexible and scalable for various business needs, which includes supporting multiple types of expansion cards, including the Combo cards that can accommodate both digital and analog extensions as well as VoIP lines.

Each Combo card provides a useful combination of different services in a compact format, making them valuable for businesses looking to optimize their telecom connections with limited space. The design of the IP500 V2 architecture allows for the inclusion of two of these cards, enabling users to tailor their systems effectively without overloading the unit or exceeding its intended capacity, which could affect performance and reliability.