Table Of Contents

Glossary

A
ADM	Add/drop multiplexer
AIS	Alarm indication signal
APS	Automatic protection switching
ARP	address resolution protocol
ASBR	Autonomous system border router
AU-x	Administrator Unit - x

B
BBE	Background block error
BER	Bit error rate

C
CBKLM	Addressing schema for data container
CFI	Canonical format indicator
CLNP	Connection less network protocol
CNLP	Connectionless network rotocol
CPE	Customer premises environment
CTP	Connection termination port
CTS	Clear to send

D
DNU	Do not use
DEG	Degraded signal effect
DCC	Data communications channel
DCN	Data communications network
DHCP	Dynamic host control protocol

E
EMS	Element management system
ETS	European Telecommunications Standard
ETSI	European Telecommunications Standards Institute
ES	Errored seconds

F
FCC	Federal Communications Commission

G
GARP	Generic attribute registration protocol
GUI	Graphical user interface
GW	Gateway
GVRP	Generic attribute registration protocol VLAN registration protocol

H
HTML	Hypertext markup language

I
IANA	Internet assigned numbers authorit
ID	Identifier
IEC	International Electrotechnical Commission
IEEE	Institute of Electrical and Electronics Engineers
IF-DN-0101-R1	Network and service forum (NSIE) standard for IP over DCC
IGMP	Internet group management protocol
IP	Internet Protocol
IPX	Internetwork packet exchange protocol
IS	Intermediate system
ISDN	Integrated services digital network
ISO	International standard organization
ITU	International Telecommunications Union
ITU-T	International Telecommunications Union, Telecommunication standards sector

L
L1 IS	Layer 1 intermediate system
L2 IS	Layer 2intermediate system
LAP-D	Link access procedure on the D channel
LAN	Local area network
LED	Light emitting diode
LLC	Logical link control layer
LL2/LL3	Local loop 2/3
Log4j	Tool for logging from jakarta.apache.org
Los	Loss of signal

M
MAC	Medium access
Mbps	Megabits per second
MHz	Megahertz
MIB	Management information base
M.O.	Managed objects
MS	Multiplex section
MSP	Multiplex section protection

N
NC	not connected
NE	Network element
NET	Network
NMS	Network management system
NSAP	Network Service Access Point
NSSA	Not-so-stubby areas

O
ONS	Optical networking system
ONSCLI	Optical networking system command line interface
OSPF	open shortest path first

P
PC	Personal Computer
PDH	Plesiochronous digital hierarchy (ITU-T Rec. G.702)
PIM	Protocol independent multicast
PIM-DM	Protocol independent multicast - Dense mode
PM	Performance monitoring
PPP	Point-to -point protocol
PRC	Primary reference clock

Q
QL	Quality Level
QLM	Quality Level minimum

R
RFC	Request for comments
RIP	Routing information protocol
RJ-45	Registered jack #45 (8-pin)
RS Layer	Regenerator section layer
RSTP	Rapid spanning tree protocol
RMON	Remote monitoring
Rx	Receive

S
SAP	Server advertisment protocol
SASE	Stand alone synchronization equipment
SEC	SDH equipment clock
SES	Severely errored second
SDH	Synchronous digital hierarchy
SNAP	Subnetwork access protocol
SNC	Sub-network connection
SNC/I	Sub-network connection inherent monitoring
SNC/N	Sub-network connection on-intrusive monitoring
SNMP	Simple network management protocol
SNTP	Simple network timing protocol
SSU	Synchronisation supply units
SSM	Synchronisation status message
STM	Synchronous transport module
STP	Spanning tree protocol

T
TAC	Technical Assistance Center
TCP/IP	Transmission Control Protocol/Internet Protocol
Trib	Tributary
TFTP	Trivial File Transport Protocol
TP	Termination point
TU	Tributary unit
Tx	Transmit

U
UAS	Unavailable seconds
URL	Uniform Resource Locator (Internet address, including specific document location)

V
VC-x	Virtual container
VLAN	Virtual local area network

W
WTR	Wait to restore
WAN	Wide area network
WWW	World Wide Web

X
XC	Cross connect

Posted: Fri Sep 14 11:31:06 PDT 2007
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