A R R I S
Getting Battery Ethernet
Safety Started Installation Installation Configuration Usage Troubleshooting Glossary
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.
HT T P
HyperText Transfer Protocol.
H ub
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
identify your computer to other systems on the Internet.
IS DN
Integrated Services Digital Network. A digital telephony standard that pro-
vides communication speeds about twice as fast as standard dialup.
L A N
Local Area Network. A network that allows computers in a single location
(such as a building) to communicate with one another.
L E D
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 Gateway's MAC address to authorize
access to the Internet. The MAC address is printed on a label on the
bottom of your Telephony Gateway.
Protocol
A set of rules and formats that determines the communication behavior of
network entities at a given layer.
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