Nortel Networks NB5PLUS4/W User Manual

both routing and bridging. Typically, when both functions 

are enabled, the device routes IP data and bridges all 

other types of data. See also routing.

broadban­d 

A telecommunications technology that can send different 

types of data over the same medium. DSL is a broadband 

technology.

Broadcast 

To send data to all computers on a network.

CO  

Central Office A circuit switch that terminates all the local 

access lines in a particular geographic serving area; a 

physical building where the local switching equipment is 

found. xDSL lines running from a subscriber’s home con-

nect at their serving central office.

DHCP 

Dynamic Host Configuration Protocol 

DHCP automates 

address assignment and management. When a computer 

connects to the LAN, DHCP assigns it an IP address from 

a shared pool of IP addresses; after a specified time limit, 

DHCP returns the address to the pool.

DHCP relay 

Dynamic Host Configuration Protocol relay.  A DHCP relay 

is a computer that forwards DHCP data between comput-

ers that request IP addresses and the DHCP server that 

assigns the addresses. Each of the My ADSL Modem’s 

interfaces can be configured as a DHCP relay. See DHCP.

DHCP server 

Dynamic Host Configuration Protocol server. A DHCP 

server is a computer that is responsible for assigning IP 

addresses to the computers on a LAN. See DHCP.

digital 

Of data, having a form based on discrete values ex-

pressed as binary numbers (0’s and 1’s). The data com-

RJ-45 plug attached 

to cable

  

 

1 

Input Receive Data + 

 

2 

Input Receive Data -  

 

3 

Output Transmit Data +  

 

6  

Output Transmit Data -   

 

4,5,7,8  

Not used