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Project -1
Project 3
BRAS
PE
PE
Router
NRAS
PE
NIB-1
PE
Router
NIB-1
ROUTER
PE
PE
Router
Load
Balancer
MultiPlay
BNG
PE
Router
PE
Network Topology with
Multiplay


BSNL’S Broadband Access Technology
BSNL Broadband service is built on a world class, multi-gigabit, multi-protocol, convergent IP infrastructure through National Internet Backbone-II (NIB-II), that provides convergent services through the same backbone and broadband access network. In BSNL Asymmetric Digital Subscriber Line (ADSL) Technology is used forgiving the Broadband connection where greater download is required in comparison to upload.

Effect of copper pair quality Data speed capability depends on the thickness of wire used in cable network. Higher the gauge, higher the data carrying speed. Data speed deteriorates if copper loop quality is bad i.e. more joints, loose joints, low insulation etc.

BSNL Broadband connection, Customer Needs
BSNL‟s Landline connection Computer with 10/100 Mbps Ethernet Card
DSL Modem + Splitter (CPE)



Modem Connections
The following shows the switch and various connectors that are equipped on the rear panel of the
ADSL modem
1. Power Port This is where you will connect the power adapter.
2. Console Port Reserved for future development.
3. LAN Port This LAN (Local Area Network) port connects to your PC with network cable included in your kit. You can also connect network devices, such as hubs and switches with a straight- through RJ-45 cable or use a crossover
RJ-45 cable to connect a router (crossover cable not supplied.

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