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GL-1
3160-A2-GB21-80
March 1999
Glossary
A test pattern consisting of a one (1) followed by seven zeros (on the network only).
A rack-mounted device containing 17 slots in which to place circuit cards.
Alternate Channel Alternate Mark Inversion. A method of allocating DS0 channels as a
group, so that every alternate DS0 channel does not carry data, but instead transmits and
receives all ones.
A product family and a registered trademark of Paradyne.
Alarm Cut-off command. A command for carrier-mounted DSU/CSUs that forces a
deactivation of the alarm relay on the 3000 Series Carrier.
Active configuration area. The configuration option set that is currently active for the
device. Before a configuration option set becomes active, you must save the set to the
Active configuration area.
Hardware that provides some transitional function between two or more devices.
A symbol (usually numeric) that identifies the interface attached to a network.
A software program housed within a device to provide SNMP functionality. Each agent
stores management information and responds to the manager’s request for this
information.
A single bit stream that combines two or more bit streams.
Alarm Indication Signal. An all ones signal transmitted to maintain transmission continuity
and to indicate to the receiving terminal that a transmission fault exists at either the
transmitting terminal or upstream of the transmitting signal. Sometimes referred to as Blue
Alarm.
Alternate Mark Inversion. A line coding technique used to accommodate the ones density
requirements of E1 or T1 lines.
American National Standards Institute. A member of ISO, ANSI accredits and implements
standards.
The use to which a device is put.
American Standard Code for Information Interchange. The standard for data transmission
over telephone lines. A 7-bit code establishes compatibility between data services. The
ASCII code consists of 32 control characters (nondisplayed) and 96 displayed characters.
A device that can be attached, either locally or remotely, to a DSU/CSU to display or print
alarm messages.
Data that is formatted so it is synchronized by a transmission start bit at the beginning of a
character and one or more stop bits at the end.
An SNMP trap that indicates that the device has received an SNMP protocol message that
has not been properly authenticated.
The auxiliary communications port on the DSU/CSU.
1in8 Test
3000 Series Carrier
ACAMI allocation
method
ACCULINK
ACO
Activ
adapter
address
agent (SNMP)
aggregate
AIS
AMI
ANSI
application
ASCII
ASCII
terminal/printer
asynchronous data
authenticationFailure
trap
AUX port