Arris CM550 User Manual download pdf (Page 36)

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Safety Getting Started Installation USB Drivers Usage Troubleshooting Glossary

Glossary

The following is a list of common cable and networking terms.

Terms and Abbreviations

A/B Cable

A USB cable that has a narrow rectangular connector on one end (A) and a

notched square connector (B) on the other end.

Category 5 (Cat5)

A high-quality type of cable, used for Fast Ethernet (100BaseT) connec-

tions. When purchasing Ethernet cables, always look for Category 5 cable.

Coaxial cable (coax)

A thin wire, used to connect your television and Cable Modem to the cable

TV system. You can buy coax from any electronics retailer and many dis-

count stores.

Cross-over

An Ethernet cable used to connect two hubs (or a hub and a cable modem)

together. Also, some Ethernet hubs may have built-in cross-over on one or

more ports (which eliminates the need for a cross-over cable).

DHCP

Dynamic Host Configuration Protocol. An IP protocol used to provide an IP

address and location of services (such as DNS and TFTP) needed by a

device connecting to the network. DHCP allows the cable company to con-

figure your computer’s networking software for you.

DNS

Domain Name Service (Server). An IP service that associates a domain

name (such as www.example.com) with an IP address.

Downstream

In an HFC network, the direction from the head-end to the subscriber.

Some older cable documentation may refer to this as the forward path.

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Arris CM550 User Manual Page 36