3Com Router Module Guide Chapter 2 Smart Interface Cards2-252.6.5 Interface CableThe connection cables for ROUTER 1-PORT ANALOG MODEM SIC are telephonecables with ferrite core. Both ends of the cables are RJ11 connectors. For cablepinouts, refer to Low-End and Mid-Range Series Routers Cable Manual.Caution:Relevant cables are included in the standard shipment package of ROUTER 1-PORT ANALOG MODEMSIC.2.6.6 Connecting Interface CableCaution:z You should connect a cable to the port with the correct mark. Misplugging is prone to impair theSIC/MIM and even damage the router.z You are recommended to install a special lightning arrester on the input end of the telephone line inorder to avoid the lightning effects more efficiently.If the SIC has been properly installed, follow these steps to connect the cable:Step 1: Insert the end with ferrite core into one LINE port of ROUTER 1-PORTANALOG MODEM SIC;Step 2: Plug the other end of the cable into the telephone wall jack;Step 3: Power on the Router, and check the LEDs of the corresponding slot on thefront panel: ON means that the SIC is operating normally and OFF means that thePOST of the SIC has failed. In the latter case, please contact your agent.2.7 Router 1-Port FXS SIC/FXO SIC and Router 2-Port FXSSIC/FXO SIC2.7.1 Introduction1/2-port voice subscriber circuit interface card (Router 1 or 2-Port FXS SIC) and1/2-port voice AT0 analog trunk interface card (Router 1 or 2-Port FXO SIC) serve to
