Alcatel-Lucent 7342 - Page 34

Contents
xxxiv July 2008 Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06
ONT Product Information Manual Edition 01 3FE 51892 AAAA TCZZA
4.4 NTP server authentication ............................................................. 4-5
4.5 Physical ONT security .................................................................. 4-5
4.6 Rogue ONT defence..................................................................... 4-5
Laser stuck on ........................................................................ 4-6
Duplicate serial numbers............................................................ 4-7
Receive and transmit errors ........................................................ 4-7
4.7 802.1x authentication .................................................................. 4-7
Port-based authentication .......................................................... 4-8
802.1x support assumptions ........................................................ 4-8
User session disconnection by system............................................. 4-9
Re-authentication .................................................................... 4-9
4.8 Anti-spoofing mechanism ............................................................. 4-10
Gratuitous ARP discard ............................................................. 4-10
Source address anti-spoofing ...................................................... 4-10
5 — SoC based ONT functional blocks 5-1
5.1 Overview ................................................................................. 5-2
5.2 System on a Chip (SoC) technology................................................... 5-2
5.3 SoC functional blocks................................................................... 5-3
SoC functionality and service connections ....................................... 5-3
Voice subsystem ...................................................................... 5-4
Data and IP video subsystems over Ethernet interface ........................ 5-4
Time calibration...................................................................... 5-5
5.4 SoC ONTs with RF video subsystem................................................... 5-5
5.5 SoC ONTs with MoCA subsystem ...................................................... 5-6
5.6 SoC ONTs with four 10/100/1000Base-T Ethernet ports .......................... 5-9
5.7 SoC ONTs with eight POTS ports ...................................................... 5-9
5.8 SoC ONTs with CES DS1/E1 interfaces .............................................. 5-10
Clocking, network synchronization, and time calibration for CES........... 5-10
6 — LP MDU, MDU, and modular ONT hardware functional
blocks 6-1
6.1 Overview ................................................................................. 6-2
6.2 LP MDU ONT functional blocks ........................................................ 6-2
Optical functional block............................................................. 6-4
GPON MAC FPGA...................................................................... 6-4
Gigabit Ethernet multilayer switch................................................ 6-5
On-board controller.................................................................. 6-5
Test and diagnostic functions ...................................................... 6-6
Complex programmable logic device ............................................. 6-7
Network synchronization............................................................ 6-7
Time calibration...................................................................... 6-7
Alexandria FPGA...................................................................... 6-7
VDSL2 subsystem ..................................................................... 6-7
Voice subsystem ...................................................................... 6-8
Ethernet subsystem .................................................................. 6-9
RF video amplifier ................................................................... 6-9
SWRD .................................................................................. 6-10