3Com 3C13886 Installation Guide - Page 96

3Com Router Module Guide Chapter 3 Multifunctional Interface Modules Note: The standard equipping package of the ROUTER 2-PORT ADSL OVER POTS MIM includes the regular telephone cable(s). You can separately order an external splitter as needed. 3.12.5 Connecting the Interface Cable In G. Lite mode, no splitter is needed. You can directly connect the router to the PSTN using a telephone cable, and simply connect the phone-set in parallel with the router at the 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 the other end into the internal ADSL port on the splitter. Step 2: Connect the telephone to the phone port on the splitter with another telephone cable. Step 3: Connect the external ADSL port on the splitter to the PSTN with a third telephone cable. DSLAM Router RJ11 interface Splitter Modem interface ADSL card Phone port PSTN Line port Figure 3-56 Connecting the ROUTER 2-PORT ADSL OVER POTS MIM 3.13 Router NDEC2 Encryption Accelerator MIM 3.13.1 Introduction High Network Data Encryption (ROUTER NDEC2 ENCRYPTION ACCELERATOR MIMfor short) supports IPsec protocol, multiple hardware encryption/decryption and hash algorithm to speed up the encryption of the IP packets, featuring high-performance and high-reliability. 3-52