CAPÍTULO IV IMPLEMENTACIÓN Y PRUEBA DEL SISTEMA
4.3 Conclusiones Parciales
These terms and acronyms are used throughout the UTStarcom 4007 SS7 Signaling Gateway documentation. While not all terms in this list are used in this particular document, the complete list is provided to ensure fast access to the definition of these terms regardless of how they are encountered.
ACM ATM concentration module ADM Add/Drop Multiplexer
ADSL Asymmetrical Digital Subscriber Line AIS Alarm indication signal (blue alarm)
AN Access network
ANSI American national standards institute APS Automatic Protection Switching ATM Asynchronous Transfer Mode ATM-NNI ATM Network to Network Interface ATM-UNI ATM User to Network Interface
ATU-C ADSL Transmission Unit, Central ATU-R ADSL Transmission Unit Remote
AU-n Administrative Unit-n BER Bit error rate
BIP-X Bit Interleaved Parity-X
BONDING Bandwidth on Demand Interoperability Group BRI UTStarcom's Basic Rate Interface Module CAC Connection Admission Control
CAS Channel Associated Signaling CBR Constant Bit Rate
CHAP Challenge Handshake Authentication Protocol CLP Cell Loss Priority
CON Connector
8
48 Chapter 8 Terms and Acronyms
CoS Class of Service COT Central Office Terminal CPU Central Processing Unit CRC Cyclic redundancy check CRC-N Cyclic Redundancy Check-N
CT Central Terminal (W/o associated LE) CVDT Cell Delay Variation
DCC Data Communication Channel DCE Digital Communication Equipment DIP Switch Dual In-line Package Switch
DLC Digital Loop Carrier
DPRAM Dual Port RAM
DS-0 Digital Service - lever 0, 64000 bps DSL Digital subscriber line
DSLAM Digital Subscriber Line Access Multiplexer DTE Digital Terminal Equipment
ECB Environment Control Box Eoc Embedded operation channel
EOC Embedded operation channel between COT/CT and RT EPLD Erasable programmable logic device
ES Errored second
FB FPGA BLOCK
FEBE Far End Block Error FERF Far End Receive Failure FPGA Field-programmable gate array
GFC Generic Flow Control GR Generic requirement GUI Graphical User Interface
Chapter 8 Terms and Acronyms 49
EOE User Guide IAN8K B1000 Multi-Service Access Network
HDB3 High Density Bipolar 3 HDLC High-level data link control
HDSL High-bit-rate Digital Subscriber Line HEC Header Error Control
HEC Header Error Control
ICM1R IP Concentration Module for reliance IEC Incoming Error Count
IP Internet Protocol
ISDN BRI Integrated service digital network basic rate interface ISDN Integrated Service Digital Network
ISF Incoming Signal Failure
ITU International telecommunications union LAPD Link Access Protocol for D-channel
LCD Loss of Cell Delineation LE Local Exchange
LED Light Emitting Diode LHSM Long haul signal mode
LLM Leased Line Module LOF Loss of frame LOP Loss of Pointer
LOS Loss of signal (red alarm)
LT Line termination unit in the ISDN switch LULT Line unit LT in RT
LUNT Line unit NT in COT
LVDS Low Voltage Differential Bus Signal (Typically 200Mbps) MBS Maximum Burst Size
MM Multi-mode
MMB Mitel mapping block
50 Chapter 8 Terms and Acronyms
MS-AIS Multiplex Section Alarm Indication Signal MSOH Multiplex Section Overhead
MSP Multiplex Section Protection
MS-RDI Multiplex Section Remote Defect indication MS-REI Multiplex Section Remote Error indication
MSTE Multiplex Section Terminating Element
NC Not Connect
NDF New Data Flag NE Network Element
NETMAN Network Management
NSP Network Service Provider NT1 Network Terminal 1
OAM Operations, Administration, & Maintenance OCD Out of Cell Delineation
OLIU Optical Line Interface Unit
OMUX Optical Multiplexer (Using PDH technology) PAP Password Authentication Protocol
PBX Private Branch Exchanges PCR Peak Cell Rate
PDH Plesiochronous Digital Hierarchy
PHY A Layer 1 Device with a signal carrying cell structure PLL Phase lock loop
PLM Payload Mismatch
POH Path OverHead
POTS Plain old telephone service PTE Path Terminating Element
PTI Payload Type Indicator
PTR Pointer
Chapter 8 Terms and Acronyms 51
EOE User Guide IAN8K B1000 Multi-Service Access Network
QoS Quality of Service RDI Remote Defect Indication
RFI Remote Failure Indication RSOH Regenerator Section Overhead
RT Remote Terminal
RTDB Remote Test Database
RTM Remote Test Module RTT Remote Test Terminal
SAR Segmentation and Reassignment SCM System Control Module
SCR Sustained Cell Rate
SDH Synchronous Digital Hierarchy SDH(-N) Synchronous Digital Hierarchy (-N)
SDT1 UTStarcom's STM-1 Interface Module SES Severely errored second
SHSM Short haul signal mode
SNMP Simple Network Management Protocol SOH Section Overhead
SPIB SDT-1 physical interface block SPM Subscriber Pulse Metering
STM-1 Synchronous Transport Module Level 1 TDM Time Division Multiplexed
TLP Transmission Level Points TSI Time Slot Interchanger UAS Unavailable second UDC Universal digital channel
UI Unit interval
UNCP UTStarcom Network Communication Protocol
52 Chapter 8 Terms and Acronyms
UPC Usage Parameter Control
UTOPIA A parallel bus specification by ATM Forum V5 V5.1 & V5.2 ETS1 open standard Interface VBR - nrt Variable Bit Rate – Non Real Time
VBR - rt Variable Bit Rate – Real Time VC Virtual Circuit
VCI Virtual Circuit Index VP Virtual Path VPI Virtual Path Index
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Headquartered in the United States with sales, support, and manufacturing facilities worldwide, UTStarcom designs, manufactures, sells, and installs an integrated suite of wireless and wireline access network and switching systems. UTStarcom's complete suite of network equipment gives telecommunication service providers the means to cost-effectively provide efficient and scalable voice, data, and Internet services around the globe.
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