B3 offers its customers various modes to access its technological infrastructure - RCB, RCCF, Internet VPN, Lan Co-location (DMA 4 only), PCM and through the B3 - RTM agreement - all with different characteristics, depending on the systems to be accessed. In addition, managed connectivity services are also available for customers that wish to outsource support to the B3 technical team.

In any of the access modes, the customer is responsible for contracting the communication links that allow the interconnection of its technological infrastructure with B3. Please see the document below for details.