RocketPort INFINITY and EXPRESS Interfaces are RS-232, RS-422, and RS-485 software selectable, the next-generation RocketPort 4-, 8-, and 16-port surge interface devices. They are available in DB9, DB9M, DB25M or DB25F nine or 25 pin connections that can be configured for RS-232/422/485 serial communications at speeds up to 460 Kbps. The interface is connected to the required RocketPort INFINITY or EXPRESS controller card through a host interface cable.