How is communication established within the Commander system?

Communication within the Commander system is effectively established through Ethernet connections. Ethernet provides a reliable and high-speed means for devices to communicate over a network, which is essential for the functionality of systems like Commander that require the exchange of data in real-time. This type of connection is particularly advantageous in environments where consistent and quick data transfer is crucial, such as in payment processing and transaction management systems typically associated with Verifone technology.

Other methods of communication, while valid in different contexts, do not provide the same level of performance or reliability for the specific needs of the Commander system. Wireless connections, for example, can be subject to interference and may not ensure stable communication at all times. Infrared technology, while useful in certain applications, is generally limited in range and requires a direct line of sight. Mainboard communication pertains more to internal connections within the device itself rather than establishing connectivity across multiple devices in a networked environment. Thus, Ethernet connections are the most suitable choice for reliable communication in the Commander system.