ARRIS WTM652 User Guide User Manual

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Headend

The “central office” in an HFC network. The headend houses both video and

data equipment. In larger cable networks, a “master” headend often feeds

several “remote” headends to provide distributed services.

HTTP

HyperText Transfer Protocol.

Hub

A box with several Ethernet connectors. Ethernet hubs provide a common

point of contact for all connected devices.

IP address

A number assigned to your computer by your cable company, used to iden-

tify your computer to other systems on the Internet.

ISDN

Integrated Services Digital Network. A digital telephony standard that pro-

vides communication speeds about twice as fast as standard dialup.

LAN

Local Area Network. A network that allows computers in a single location

(such as a building) to communicate with one another.

LED

Light Emitting Diode. A semi-conductor diode that emits light when current

is passed through it.

MAC address

A number that uniquely identifies any device connected to a network. Your

cable company uses your Telephony Modem’s MAC address to authorize ac-

cess to the Internet. The MAC address is printed on a label on the bottom

of your Telephony Modem.

Protocol

A set of rules and formats that determines the communication behavior of

network entities at a given layer.

Touchstone WTM652 Telephony Modem User’s Guide