Firewall, Ethernet – ARRIS WTM652 User Guide User Manual

Page 81

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.

DOCSIS

Data Over Cable System Interface Specification. The interoperability stan-

dards used for data communications equipment on an HFC network.

EMTA

Embedded Multimedia Terminal Adapter. An MTA device that is integrated

with a cable modem.

Ethernet

A standard method of connecting two or more computers into a Local Area

Network (LAN).

EuroDOCSIS

The European version of DOCSIS.

Event

An informational message used for monitoring network status.

F-connector

The type of connector used on coax cable. There are two common types of

F-connector, slip-on and screw-on. Use coax with screw-on connectors for

connecting your Telephony Modem.

Firewall

A hardware or software device that prevents unauthorized access to a pri-

vate network from the Internet. The WTM652 provides a built-in firewall.

Gateway

The device, usually a router, that connects devices on a given IP subnet to

other IP subnets.

Touchstone WTM652 Telephony Modem User’s Guide