Line code

Any method of converting digital information to analog form for transmission on a

 

communication line.

Link

Another term used for transmission line.

MAC

Media Access Control. Associated with Layer 2 or the Data Link Layer of the ISO 7-layer

 

protocol model.

Margin

An ADSL parameter, measured in dB. It indicates the excess SNR, relative to the performance

 

of 10-7BER, at the receiver point.

Mbps

Megabits per second. 1,000,000 bits per second.

MDI

Media Dependent Interface.

MDI-X

Media Dependent Interface (cross-over).

NVRAM

Non-volatile RAM.

Port

An I/O interface. A point at which signals may be introduced or extracted in a similar manner.

POTS

Plain Old Telephone Service.

RAM

Random Access Memory.

RFC

Request for Comment.

SNR

Signal-to-Noise ratio.

Telecommuter

A person who performs work at home while linked to the office by means of a

 

telecommunications-equipped computer system.

Upstream

The direction of data transmission from the Megabit Modem 320F to the Megabit

 

Modem 310F.

WAN

Wide Area Network. In this manual, refers to the ADSL link.

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Megabit Modem 310F and 320F User Manual