Lucent Technologies DDM-2000 OC-3 Installation Manual

363-206-204
GLOSSARY
Issue 9 October 1998
GL-3
ASCII
American Standard Code for Information Interchange — A standard 8-bit code
used for exchanging information among data processing systems and associated
equipment.
ASN.1
Abstract Syntax Notation 1
AT M
Asynchronous Transfer Mode
Auto
Automatic — One possible state of a DS1 or DS3 port. In this state, the port will
automatically be put "in service" if a good signal is detected coming from the DSX
panel. If that signal is then lost, deliberately or accidentally, an alarm will occur.
The alarm can be eliminated by resetting.
Automatic Protection Switch
A protection switch that occurs automatically in response to an automatically
detected fault condition.
AUXCTL
Auxiliary Control — The name of the slot to the left of the SYSCTL slot on the
DDM-2000 OC-3 shelf. Currently, the OHCTL fills this slot.
Available Time
In performance monitoring, the 1 second intervals.
B
B3ZS
Bipolar 3-Zero Substitution — A line coding method that replaces a string of three
zeros with a sequence of symbols having some special characteristic.
B8ZS
Bipolar 8-Zero Substitution — A line coding method that replaces a string of eight
zeros with a sequence of symbols having some special characteristic.
BDFB
Battery Distribution and Fuse Bay.
BER
Bit Error Ratio — The ratio of bits received in error to the total bits sent.
BIP
Bit Interleaved Parity — A method of error monitoring over a specified number of
bits, that is, BIP-3 or BIP-8.

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English