Labels:text | screenshot | diagram | font OCR: THE MAINFRAME GAME 384Kbps Production site Digital leased line Data center 1.5Mbps x 2 1.5Mbps x 2 AS/400 System control center: Overseas branch offices Branch office 3Mbps x 2 384Kbps x 2. RS/ 6000 Remote printing and distribution center Branch offices Head office # Host = Channel extender = Central Control Unit Figure 1: A common structure for large banking networks in Japan involves "big-iron" tools, such as channel extenders, that are often used to deliver mainframe performance to devices in remote areas.