keeps copies of popular web pages; the proxy can send you
those pages instead of fetching them directly from the web
site, resulting in faster page loading and less network
congestion.
RF
Abbreviation for Radio Frequency. Some literature refers to
coax as "RF cable" and the connectors as "RF connectors."
RJ-11
A standard 2-conductor modular connector, commonly
used in North America for connecting telephones.
RJ-45
A standard 8-conductor modular connector, commonly
used on Ethernet cable. An RJ-45 connector looks like a
wide RJ-11 (telephone) connector.
Splitter
A small box with three cable connectors: one input and
two outputs. You may need a splitter if you have a TV
already connected to the cable outlet that you want to use
for your telephony modem.
You can buy a splitter from any electronics retailer and
most discount stores.
Switched outlet
A power outlet that may be turned on and off using a wall
switch. Usually intended for lamps. Avoid plugging your
computer or telephony modem into a switched outlet to
avoid disruptions.
TCP/IP
Transmission Control Protocol/Internet Protocol. The
protocols used to facilitate communications across one or
more connected networks.
TDMA
Time Division Multiple Access. A method used by DOCSIS-
compliant cable modems for sending upstream data with
minimal interference.
Upstream
The path from a subscriber device to the headend. Some
older cable documentation may refer to this as the return
path or reverse path.
Chapter 7: Glossary
SURFboard
®
SBV2402 Internet and Voice Cable Modem for Xfinity
®
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Summary of Contents for ARRIS SURFboard SBV2402
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