Cisco ONS 15454 User Documentation, Release 2.2.x
Appendix C, Acronyms

Table Of Contents

Acronyms


Acronyms



Numerics
10BaseT
standard 10 megabit per second local area network over unshielded twisted pair copper wire
100BaseT
standard 100 megabit per second ethernet network
100BaseTX
specification of 100BaseT that supports full duplex operation


A
ACO
Alarm Cutoff
ACT/STBY
Active/Standby
ADM
Add-Drop Multiplex
AIC
Alarm Interface Controller
AID
Access Identifier
AIP
Alarm Interface Panel
AIS
Alarm Indication Signal
AIS-L
Line Alarm Indication Signal
AMI
Alternate Mark Inversion
ANSI
American National Standards Institute
APS
Automatic Protection Switching
ARP
Address Resolution Protocol
ATAG
Autonomous Message Tag
ATM
Asynchronous Transfer Mode

AWG

American Wire Gauge


B
B8ZS
Bipolar 8 Zero Substitution
BER
Bit Error Rate
BIC
Backplane Interface Connector
BIP
Bit Interleaved Parity
BITS
Building Integrated Timing Supply
BLSR
Bidirectional Line Switched Ring
BNC
Bayonet Neill-Concelman (coaxial cable bayonet locking connector)
BPDU
Bridge Protocol Data Unit


C
CAT 5
Category 5 (cabling)
CCITT
Consultative Committee International Telegraph and Telephone (France)
CEO
Central Office Environment
CEV
Controlled Environment Vaults
CLEI
Common Language Equipment Identifier code
CLNP
Correctionless Network Protocol
CMIP
Common Management Information Protocol
CMS
Cerent Management System
cm
centimeter
COE
Central Office Environment
CORBA
Common Object Request Broker Architecture
CPE
Customer Premise Environments
CTAG
Correlation Tag
CTC
Cisco Transport Controller


D
DCC
Data Communications Channel
DCN
Data Communications Network
DCS
Distributed Communications System
DIN
Deutsche Institut fur Normung (German Institute for Standardization)
DRAM
Dynamic Random Access Memory
DS-1
Digital Signal Level One
DS-3
Digital Signal Level Three
DS1-14
Digital Signal Level One (14 ports)
DS1N-14
Digital Signal Level One (N-14 ports)
DS3-12
Digital Signal Level Three (12 ports)
DS3N-12
Digital Signal Level Three (N-12 ports)
DS3XM-6
Digital Service, level 3 Trans Multiplexer 6 ports
DSX
Digital Signal Cross Connect frame

E

EDFA
Erbium Doped Fiber Amplifier
EEE
Electronic Equipment Enclosures
EFI
Engineer furnish and install
EFT
Electrical Fast Transient/Burst
EIA
Electrical Interface Assemblies
ELR
Extended Long Reach
EMI
Electromagnetic interface
EML
Element Management Layer
EMS
Element Management System
EOW
Express Orderwire
ESD
Electrostatic Discharge
ESF
Extended Super Frame
ETSI
European Telecommunications Standards Institute


F
FCC
Federal Communications Commission
FCD
Frame Check Sequence
FDDI
Fiber Distributed Data Interface
FG1
Frame Ground #1(pins are labeled "FG1," "FG2," etc.)
FSB
Field Service Bulletin


G
Gbps
Gigabits per second
GBIC
Gigabit Interface Converter
GR-253-CORE
General Requirements #253 Council Of Registrars
GR-1089
General Requirements #1089
GTL
Gunning Transistor Logic
GUI
Graphical User Interface


H
HDLC
High-Level Data Link Control
HTML
Hypertext Markup Language
HW Part #
Hardware Part Number


I
ID
Identifier
IEC
InterExchange Carrier
IEEE
Institute of Electrical and Electronics Engineers
IETF
Internet Engineering Task Force
IP
Internet Protocol
I/O
Input/Output
ITU-T
The International Telecommunication Union- Telecommunication Standards Sector


J
JRE
Java Runtime Environment


K
K
One Thousand


L
LAN
Local Area Network
LCD
Liquid Crystal Display
LDCC
Line Data Communications Channel
LOP
Loss of Pointer
LOS
Loss of Service
LOF
Loss of Frame
LOW
Local Orderwire
LTE
Line Terminating Equipment
LVDS
Low Voltage Differential Signal

M

MAC
Media Access Control
Mbps
Million bits per second, or Million bytes per second
Mhz
Megahertz
MIB
Management Information Bases
MIME
Multipurpose Internet Mail Extensions
Mux/Demux
Multiplexer/Demultiplexer


N
N
Any digit
NE
Network Element
NEL
Network Element Layer
NEBS
Network Equipment-Building Systems
NML
Network Management Layer
NMS
Network Management System

O

OAM&P
Operations, Administration, Maintenance, and Provisioning
OC
Optical Carrier
OC-3
Optical Carrier Level Three
OC-12
Optical Carrier Level 12
OC-48
Optical Carrier Level 48
OOS AS
Out of Service Assigned
OS
Operating System
OSI
Open Systems Interconnection
OSPF
Open Shortest Path First
OSS
Operations Support System
OSS/NMS
Operations Support System/Network Management System

P

P
Protection
PC
Personal Computer
PCM
Pulse Code Modulation
PCMCIA
Personal Computer Memory Card International Association
PCN
Product Change Notices
PDI-P
STS Payload Defect Indication-Path
POP
Point of Presence
PPMN
Path Protected Mesh Network

R

RAM
Random Access Memory
RDI-L
Remote Defect Indication Line
RES
Reserved
RJ45
Registered Jack #45 (8 pin)
RMA
Return Material Authorization
RMON
Remote Network Monitoring
RS232
Recommended Standard #232 (ANSI Electrical Interface for Serial Communication
Rx
Receive

S

SCI
Serial Communication Interface
SCL
System Communications Link
SDDC
Section Data Communications Channel
SDH/SONET
Synchronous Digital Hierarchy/Synchronous Optical Network
SELV
Safety Extra Low Voltage
SF
Super Frame
SML
Service Management Layer
SMF
Single Mode Fiber
SNMP
Simple Network Management Protocol
SNTP
Simple Network Time Protocol
SONET
Synchronous Optical Network
SPE
Synchronous Payload Envelope
SSM
Synchronous Status Messaging
STA
Spanning Tree Algorithm
STP
Shielded Twisted Pair
STS-1
Synchronous Transport Signal Level 1
SWS
SONET WAN Switch
SXC
SONET Cross Connect ASIC

T

TAC
Technical Assistance Center
TBOS
Telemetry Byte Oriented Serial protocol
TCC
Timing Communications and Control Card
TCP/IP
Transmission Control Protocol/Internet Protocol
TDM
Time Division Multiplex
TDS
Time Division Switching
TID
Target Identifier
TL1
Transaction Language 1
TLS
Transparent LAN service
TM
Terminal Mode
TMN
Telecommunications Management Network
TSA
TIme Slot Assignment
TSI
Time-Slot Interchange
Tx
Transmit


U
UTC
Universal Time Coordinated
UDP/IP
User Datagram Protocol/Internet Protocol
UID
User Identifier
UL
Underwriter's Laboratories
UPSR
Unidirectional Path-Switched Ring
UTP
Unshielded Twisted Pair


V
VDC
Volts Direct Current
VLAN
Virtual Local Area Network
VPN
Virtual Private Network
VT1.5
Virtual Tributary equals 1.544 megabits per second


W
WAN
Wide Area Network
W
Watts


X
XCON
Cross-Connect Card (pronounced "Ex-Con")
XC
Cross Connect
XCVT
Cross Connect Virtual Tributary
X.25
Protocol providing devices with direct connection to a packet switched network