Glossary

V.24

A CCITT standard for a low-speed, 25-position, DCE/DTE interface.

V.35

ITU-T standard for a high-speed, 34-pin, DCE/DTE interface.

V.54

A CCITT standard for local and remote diagnostic loopback tests.

WAN

Wide Area Network. A network that operates over long distances and spans a relatively

 

large geographic area (e.g., a country).

Yellow Alarm

An outgoing signal transmitted when a DS1 terminal has determined that it has lost the

 

incoming signal.

1-in-8 pattern

A test pattern consisting of a one (1) followed by seven zeros (on the network only).

511 pattern

A pseudo-random bit sequence that is 511 bits long (on the data ports only).

GL-6

March 1998

7112-A2-GB20-20

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Image 152
Paradyne 7112 manual Yellow Alarm, In-8 pattern, Pattern