INTRODUCTIONPage 1-21.2 GETTING HELPIf you need additional support related to the Cabletron Systems SEHI,or if you have any questions, comments, or suggestions concerning thismanual, contact Cabletron Systems Technical Support:By phone .................. (603) 332-9400Monday-Friday; 8am - 8pm ESTBy CompuServe® ..... GO CTRON from any ! promptBy Internet mail ...... support@ctron.comBy FTP ..................... ctron.com (134.141.197.25)Login: anonymous, Password: your email address1.3 SEHI OVERVIEWThe 10BASE-T SEHI is an intelligent repeating hub that providesfront panel ports for network connections and a rear panelHubSTACK Interconnect Bus port for stackable connections. TheSEHI is designed to manage Cabletron Systems’ SEH series ofnon-intelligent stackable hubs.Figure 1-1. The SEHI-24 and SEHI-34SEH INTERCONNECTOUTSEHI-24 10BASE-T HUB WITH LANVIEW®EPIM-1EPIM-2PWRCPUCLN E1E2RCVLNKRCVLNKHubSTACK 10BASE-T HUB WITH LANVIEW®SEHI-2424X 23X 22X 21X 20X 19X 18X 17X 16X 15X 14X 13X12X 11X 10X 9X 8X 7X 6X 5X 4X 3X 2X 1XCOMRESET24 23 22 21 20 19 18 17 16 15 14 1312 11 10 9 8 7 6 5 4 3 2 1SEH INTERCONNECTOUTSEHI-34 10BASE-T HUB WITH LANVIEW®EPIM-1EPIM-2PWRCPUCLN E1E2RCVLNKRCVLNKHubSTACK 10BASE-T HUB WITH LANVIEW®SEHI-34COMRESET24 23 22 21 20 19 18 17 16 15 14 1312 11 10 9 8 7 6 5 4 3 2 1 12X 1X24X 13X