HSIM-W87 User’s Guide1-1CHAPTER 1INTRODUCTIONWelcome to the Cabletron Systems HSIM-W87 User’s Guide . Thismanual describes the HSIM-W87 and provides information concerningfeatures, installation, the use of management, troubleshooting, andspecifications.A general working knowledge of Wide Area Networking (WAN),including T1 and T3 Networking, Ethernet and data communicationsnetworks, and their physical layer components is helpful when installingthis device.The HSIM-W87 has one T3 port, which consists of two BNC connectors,a transmit and a receive port. Figure 1-1 shows the HSIM-W87.Figure 1-1 HSIM-W871.1 USING THIS MANUALReading through this manual completely will help you understand thefeatures and capabilities of the HSIM-W87. The following list providesan overview of each section of this manual:Chapter 1, Introduction, outlines the contents of this manual, describesthe HSIM-W87 features and concludes with a web site address whererelated manuals can be obtained.Important NoticeDepending on the firmware version used in the HSIM-W87, somefeatures described in this document may not be supported. Refer to theRelease Notes shipped with the HSIM-W87 to determine which featuresare supported.HSIM-W87TX RXTELCOT3LNKSTSCPU