3Com 3.13 Router NDEC2 Encryption Accelerator MIM

3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 3
Multifunctional Interface Modules (Router 5000)
3-52
 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.
Modem interface
Phone port
Line port
ADSL card
RJ11 interface
PSTN
Modem interface
Phone port
Line port
ADSL card
RJ11 interface
Router
DSLAM
Splitter
Modem interface
Phone port
Line port
ADSL card
RJ11 interface
PSTN
Modem interface
Phone port
Line port
ADSL card
RJ11 interface
Router
DSLAM
Splitter
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.