3Com Router 5000 and Router 6000 v2.41Module GuideChapter 3Multifunctional Interface Modules (Router 5000)3-52Note:The standard equipping package of the Router 2-Port ADSL Over POTS MIM includesthe regular telephone cable(s). You can separately order an external splitter asneeded.3.12.5 Connecting the Interface CableIn G. Lite mode, no splitter is needed. You can directly connect the router to the PSTNusing a telephone cable, and simply connect the phone-set in parallel with the router atthe cable distribution box.Full rate mode requires a splitter. Follow these steps to connect the cables:Step 1: Plug one end of a telephone cable into the ADSL port on the router, and theother end into the internal ADSL port on the splitter.Step 2: Connect the telephone to the phone port on the splitter with another telephonecable.Step 3: Connect the external ADSL port on the splitter to the PSTN with a thirdtelephone cable.Modem interfacePhone portLine portADSL cardRJ11 interfacePSTNModem interfacePhone portLine portADSL cardRJ11 interfaceRouterDSLAMSplitterModem interfacePhone portLine portADSL cardRJ11 interfacePSTNModem interfacePhone portLine portADSL cardRJ11 interfaceRouterDSLAMSplitterFigure 3-56 Connecting the Router 2-Port ADSL Over POTS MIM3.13 Router NDEC2 Encryption Accelerator MIM3.13.1 IntroductionHigh Network Data Encryption (Router NDEC2 Encryption Accelerator MIMfor short)supports IPsec protocol, multiple hardware encryption/decryption and hash algorithmto speed up the encryption of the IP packets, featuring high-performance andhigh-reliability.
