Tutorial 4(B) - 1st Ocotber

  Dedicated line
a) A dedicated line is a telecommunications path between two points that is available 24 hours a day for use by a designated user.

ISDN line
Integrated Services for Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switch telephone network.

DSL
DSL (Digital Subscriber Line) is a technology for bringing high-bandwidth information to homes and small businesses over ordinary copper telephone lines

Fiber to the premise (FTTP)
A fiber-deployment architecture in which optical fiber extends all the way to the customer’s premise.

T-carrier lines
A series of digital communication services provided by telcos for high-speed permanent voice and data connections. T-carrier services were first developed by Bell in the 1960s for digital transmission of analog voice communication

Asynchronous Transfer Mode (ATM)
ATM is a high-speed networking standard designed to support both voice and data communications. ATM is normally utilized by Internet service providers on their private long-distance networks. ATM operates at the data link layer (Layer 2 in the OSI model) over either fiber or twisted-pair cable.


b)  Modem Router (D-LINK)

DSL-2520u ADSL2+ Ethernet/USB Combo Router

Device Interfaces	RJ11 ADSL port
	RJ45 Ethernet LAN port
	Factory reset button
	USB1.1/2.0 device port
ADSL Standard	Full ADSL2+/2/1 standards
	Discrete Multi-Tone (DMT)
	ANSI T1.413 Issue 2
	Annex A,I,J,L,M
	ITU G.992.1 (G.dmt)
	ITU G.992.2 (G.lite)
	ITU G.992.3 ADSL2 (G.dmt.bis)
	ITU G.992.5 (G.dmt.bisplus )
ATM Specifications	Support AAL5
	Support 8 Permanent Virtual Circuits (PVCs)
	UBR, CBR, rt-VBR, nrt-VBR
	ITU-T I.610 OAM Principles& Functions (include F4/F5)

 

 

 

 

 

          C)  Classification of Network