SDH ()   

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, PDH SDH, . , ( PDH SDH) [44].

10/1 OOBASE-xx - Ethernet 10/100 /, IEEE 802.14

100VG-Any LAN - Ethernet (100 /), IEEE 802.12

1b2b - 12 - , 1 2 /2

2 - 2 / ( Nokia)

2 - 2 / ( Nokia)

- Agent -

- (/ )

- Area Address - ( NSAP)

- Acknowledgement - (, )

ACSE - Association Control Service Element -

ADI - Alternate Digit Inversion - -

ADM - Add/Drop Multiplexer - /

AFI - Authority and Format Identifier - () ( NSAP)

AIS - Alarm Indication Signal -

AITS - Acknowledged Information Transfer Service - :

AMI - Alternate Mark Inversion code - , -

- Asynchronous Mapping Mode -

ANSI - American National Standards Institute -

APS - Automatic Protection Switch - ( , )

ARCNET - ARCnet - Attached Resources Computer/Computing Network - ARCnet -

ASE - Application Service Element -

ASN.1 - Abstract Syntax Notation One - -1

ATM - Asynchronous Transfer Mode -

AU - Administrative Unit -

AU-n - Administrative Unit - n (n=3,4)

AU PTR - Administrative Unit Pointer -

AU-3 - Administrative Unit 3 -

AU-4 - Administrative Unit 4 - 4

AU-4-Xc - , , AU-4, X (X - ) , , AU-4

AUG - Administrative Unit Group -

AUX - Auxiliary -

- ,

B-ISDN - Broadband ISDN - ISDN (-)

1,2,3 - 1, 2, , G.773

B3ZS - Bipolar with 3-Zero Substitution - 3-

B4ZS - Bipolar with 4-Zero Substitution - 4-

B6ZS - Bipolar with 6-Zero Substitution - 6-

B8ZS - Bipolar with 8-Zero Substitution - 8-

- Background Block Error -

BBER - Background Block Error Ratio -

BBU - Bus Bridge Unit -

BE - Block Error -

BIP - Bit Interleaved Parity - - , (),

BIP-8 - Bit Interleaved Parity - Octet - (SMDS)

BIP-N -BIPN - Bit Interleaved Parity - N fields - N ( N)

BNC - Bayonet-Neill-Concelman - ,

BOS - Business Operations System -

BSMM - Byte-Synchronous Mapping Mode - -

BSU - Bus Supply Unit -

- - SDH

- (/ RST-)

- ,

& - Control & Alarm -

-1 - Container of level 1 - , 1.5/2 /

-11 - Container of level 11 - PDH , 1.5 /

-12 - Container of level 12 - PDH , 2 /

-2 - Container of level 2 - , 6 /

-3 - Container of level 3 - , 34/45 /

-4 - Container of level 4 - , 140 /

-n - Container - -1,2,3,4 - = 1, 2, 3 4

CAS - Channel-Associated Signaling -

CCIR - Consultative Committee on International Radiocommunications - ()

CCITT - Consultative Committee on International Telephony and Telegraphy The International Telegraph and Telephone Consultative Committee - ()

CCS - Common Channel Signaling -

CCU - Central Clock Unit -

CD - Collision Detection -

- Committee European de Post et Telegraph Conference of European Post and Telecommunications Administrations - /

Format - 30 + 1 + 1

n - CEPTn system (n=1,2,3,4) - , 1-2--4

CLK - clk - Clock - ,

CLM - Connectionless Mode -

CLNP - Connectionless Network Layer Protocol -

CLNS - Connectionless-mode Network (layer) Service -

CLNS1 - , 2 (. CLNS)

CLNS2 - , (. CLNS)

- Connection Mode -

- CRC Message Block - () CRC

CMI - Coded Mark Inversion code - "1" "0"- .

CMIP - Common Management Information Protocol -

CMIS - Common Management Information Service -

CMISE - Common Management Information Service Element -

CMU - Connection Matrix Unit -

̠ - Communications - - NMS, Q-

CONP - Connection Oriented Network-layer Protocol -

CONS - Connection-Oriented-mode Network Service -

CONS1 - , 1 (. CONS)

CRC - Cyclic Redundancy Check - ,

CSES - Consecutive Severely Errored Seconds -

CSMA - Carrier Sense Multiple Access -

- Craft Terminal - - - PC PC, -

CU - Control Unit or Control and synchronization Unit - ( Nokia)

CV - Code Violation -

D1 - 24- 1 = 1544 / Bell

D2 - 24- , D1, ITU-T Rec. G.733 [31] (Bell)

DAD - Draft Addendum - ( )

DATA - Data -

dBm - , 1

DCC - Data Communications Channel - - SONET/SDH: , D1-D12, S STM-N

DCC64 - Data Communication Channel 64 kbps - () , ( SDH) 1 SOH, 64 /

DM - Data Communication Channel for Multiplex section - () SDH , SOH D4-D12, 576 /

DCCR - Data Communication Channel for Regenerator section - () SDH , SOH D1-D3, 192 /

D - Data Circuit Terminating Equipment - ()

DCF - Data Communications Function -

DCN - Data Communications Network -

DH - Hybrid Data (unit) - ( Nokia)

DPR - Distributed Primary Reference Source -

DS0 - DS-0 - Digital Service/Signal of level 0 - / 64 / , , Base Rate Digital Signal - ()

DS1 - DS-1 - Digital Signal of level 1 - 1.544 / , 2.048 /

DS2 - DS-2 - Digital Signal of level 2 - 6.312 / , 8.448 /

DS3 - DS-3 - Digital Signal of level 3 - 44.756 / , 34.368 /

DS4 - DS-4 - Digital Signal of level 4 - 274.176 / ( ITU-T), 139.264 /

DSJ3 - 3- PDH

DSJ4 - 4- PDH

DSP - Domain Specific Part - ( NSAP)

DTE - Data Terminal Equipment - ()

DTMF - Dual-Tone Multifrequency/Dual-Tone Modulated Frequency - / - , DTMF ( DTMF) ; DTMF

DWDM - Dense Wavelength Division Multiplexing -

DXC - Digital Cross-Connect - /-

DXI - Data Exchange Interface - ( ATM LAN)

1 - 2048 /, PDH

2 - 8448 /, PDH

Ǡ - 34.368 /, PDH

4 - 139.264 /, PDH

, - East A, East - "" : () ()

- Errored Block -

- Embedded Control Channel -

EDC - Error Detection Code -

EIA - Electronic Industries Association -

M - Element Manager - - -

ENM - eNM - ECI Network Manager - ECI

Ѡ - Embedded Operations Channel -

EOS - Element Operations System -

EOW - Engineering Order Wire/Wiring - ()

EPPI 140M - PDH 140 / ( Nokia)

EPPI 2M - PDH 2 / ( Nokia)

ES - End System -

- Errored Second -

ES-IS - End System-to-lntermediate System - ()

ESR - Errored Second Ratio -

Ethernet - , IEEE 802.3 - CSMA/CD

ETSI - European Telecommunications Standards Institute -

Ѡ - - Excessive errors -

F - DCN -, f

f - TMN WSF OSF / MF

FAS - Frame Alignment Signal - ()

Fast Ethernet - , Ethernet (100 /)

FC - Fiber optic Connector -

FDDI - Fiber Distributed Data Interface - FDDI (100 /),

FE1 - Fractional E1 - 64 / ( = 2, ... ,31)

FEBE - Far-End Block Error -

FERF - Far End Receive Failure -

FLC - Fiber Loop Converter - ,

Frame Relay - -

FS - Fixed Stuff - -

FTAM - File Transfer, Access and Management - ,

FU - Functional Unit -

g - TMN WSF

GNE - Gateway Ne'twork Element -

GPS - Global Positioning System - ()

͠ - Hub -

0 - ISDN channel 384 kbps - ISDN, -, .. n 64 /

1 - ISDN High bit rate channel 1 - ISDN, 11 Ht2

11 - ISDN 1.544 /, , -1 ( )

12 - ISDN 1.920 /, , 1 ( )

21 - ISDN 34 /, , ( )

22 - ISDN 45 /, , ( )

4 - ISDN 135 / ( 4)

- -

HCS - Higher order Connection Supervision -

HDB2 - High-Density Bipolar code of order 2 - 2

HDB3 - High-Density Bipolar code of order 3 - 3

A - Human-Machine Adaptation - -

- Higher Order Assembler - VC

HOI - Higher Order Interface - VC

- Higher order Path Adaptation - VC

- Higher order Path Connection - VC

̠ - Higher order Path Overhead Monitor - VC

HP - Hewlett Packard Corporation - - ,

- Higher order Path Overhead Termination - / VC

HUG - Higher order Unequipped Generator - VC

I -

ICF - Information Conversion Function -

IDI - Initial Domain Identifier - (OSI, Network Layer, NSAP )

IDP - Initial Domain Part - ( NSAP)

IEC - International Electrotechnical Commission - ()

IFU - Interworking Functional Unit -

IP - Interworking Protocol -

IS - Intermediate System -

IS-IS - Intermediate System-to-lntermediate System -

ISDN - Integrated Services Digital Network - ()

ISM - In-Service Monitoring -

- Intelligent Synchronous Multiplexer -

ISO - International Organization for Standardization -

ISUP - ISDN User Part - ISDN - , , SS7 (-7)

ITU - International Telecommunication Union -

ITU-T - International Telecommunication Union - Telecommunication Standardization - -

IWU - Interworking Unit -

J2 -

JCB - (subframe) Justification Control Bit - ()

JOB - (subframe) Justification Opportunity Bit - ()

L -

LAN - Local Area Network - ()

LAPD - Link Access Procedure for the D channel - D

LBA - Lightwave Booster Amplifier - ( , )

LCN - Local Communications Network -

LCS - Lower order Connection Supervision - VC

LED - Light Emission Diode -

LFA - Loss of Frame Alignment - /

LNC - Local Node Clock - ()

LOF - Loss Of Frame -

LOI - Lower Order Interface - VC

LOM - Loss Of Multiframe -

LOP - Loss Of Pointer -

LOS - Loss Of Signal -

LPA - Lower order Path Adaptation - VC

LPC - Lower order Path Connection - VC

LPOM - Lower order Path Overhead Monitor - VC

LPR - Local Primary Reference -

LPT - Lower order Path Termination - / VC

LR - Line Regenerator -

LTI - Loss of Timing Inputs -

LUG - Lower order Unequipped Generator - VC

LXC - Local Cross-Connect - -

M - Manager -

m - TMN QAF

MAF - Management Application Function -

MAN - Metropolitan Area Network - ()

mbnb - mBnB - - m - ( ) , , n - ( ) ,

MCF - Message Communications Function -

MCI - MCU Connection Interface - MCU

MCMI - Modified CMI - CMI

MCU - Management and Communication Unit -

MD - Mediation Device - ()

MF - Mediation Function - ( )

MFAS - Multiframe Alignment Signal - ()

MFS - Multiframe Sinchronization -

MIB - Management Information Base -

O - Managed Object -

- Managed Object Class -

MRS - Microvave Radio System -

MS - Multiplex Section -

MSA - Multiplex Section Adaptation -

MSOH - Multiplex Section Overhead -

MSP - Multiplex Section Protection -

MST - Multiplex Section Termination - /

MTP - Message Transfer Part - , - SS7 (-7)

MUX - Multiplexer -

N - DCC

nm - , , mBnB

NDF - New Data Flag -

NE - Network Element -

NEF - Network Element Function -

NLR - Network Layer Relay -

NM - Network Manager - -

- Node Manager - - ( , )

NMS - Network Management System - /

NNE - Non-SDH Network Element - , SDH

NOS - Network Operating System - ( )

- Network Operations System /, ( )

NPDU - Network Protocol Data Unit -

NPI - Null Pointer Indicator -

NRZ - Non Return to Zero /

NS - Network Service -

NSAP - Network Service Access Point - () - / OSI (SS7), . SAP

NSEL - Network Selection - - NSAP

OAI - Overhead Access Interface - () S

- Operation, Administration, Maintenance and Provisioning - , , ( )

OAU - Overhead Access Unit - () SOH

- Optical Booster Amplifier -

- Optical Carrier - (. -n)

-1 - 1 - OC-1/STS-1 - Optical Carrier of level 1 - SONET- 51.84/

-12 - 12 - OC-12/STS-12 - Optical Carrier of level 12 - 12- SONET - 622.08 / - , STM-4 SDH

-192 - 192 - OC-192/STS-192 - Optical Carrier of level 192 - 192- SONET - 9,953.28 / - , STM-64 SDH

-3 - 3 - OC-3/STS-3 - Optical Carrier of level 3 - SONET - 155.52 / - , STM-1 SDH

-48 - 48 - OC-48/STS-48 - Optical Carrier of level 48 - 48- SONET - 2,488.32 / - , STM-16 SDH

-n - n - OC-n/STS-n - Optical Carrier of level n - n- SONET - n x 51.84 /

OFS - Out of Frame Second - , OOF - " "

- Overhead -

- Overhead Access/Overhead Access function -

- Overhead Channel -

OOF - Out Of Frame -

- Optical Preamplifier -

OS - Operating System - (, )

- Operations System - /, (, )

OSF - Operations System Function - / ,

OSI - Open Systems Interconnection - ()

OWI - Order Wire Interface -

- DCC

- Private Automatic Branch Exchange -

Path HOVC - Path of Higher Order Virtual Container -

Path LOVC - Path of Lower Order Virtual Container -

PC - Connector PC - PC

- Pulse-Code Modulation - - ()

PDH - Plesiochronous Digital Hierarchy - ()

PDU - Protocol Data Unit -

PF - Presentation Function -

Ph - Physical - (, )

PHAMOS - Philips Advanced Management and Operations System for SDH network elements - SDH

PHASE-FNS - Philips Advanced Synchronous Equipment - Flexible Network Systems -

PJE - Pointer Justification Event - (, AD PJE - )

PL - Payload -

- Path Overhead - (: )

PPI - PDH Physical Interface - PDH

PPM - ppm - Parts Per Million - (, 4.6 ppm = 4.6x10-6)

PPU - Pointer Processing Unit -

PRC - Primary Reference Clock - ()

PRS - Primary Reference Source-

PSC - Protection Switch Count -

PSD - Protection Switch Duration - ()

PSM - PDH-to-SDH Mediator - PDH SDH ( PSM-1 ECI)

PSPDN - Packet Switched Public Data Network -

PSN - Packet Switched Network - , , .25

PTR - Pointer -

Q - (Q, QB2, QB3, QECC, Q3) - NMS, q

q - TMN

Q3 - DCN NE Q- ( ), MD

QA - Q-Adapter - Q- - , , TMN

QAF - Q-Adapter Function - Q-

QB2 - Q-interface/stack 2 - Q-, 2

QB3 - Q-interface/stack - Q-,

QOS - Quality of Service -

Qx - DCN MD, - NE Q-

R - Regenerator -

RM - Regional Manager - ( SDH Alcatel)

RMON - Remote Monitoring -

ROSE - Remote Operations Service Element -

RS - Regenerator Section -

RSOH - Regenerator Section Overhead -

RST - Regenerator Section Termination - /

RZ - Return to Zero -

S -

-

SAP - Service Access Point -

SAPI - Service Access Point Identifier -

SC -

SCCP - Signaling Connection Control Part - , - 4 (SS7 - -7)

SCI - SIU Connection Interface - SIU

SD - Signal Degrade -

SDH - Synchronous Digital Hierarchy - ()

SDM - Synchronous Digital Multiplexer - (, ECI SMUX)

SDXC - Synchronous Digital Cross-Connect system - /- SDH

SEMF - Synchronous Equipment Management Function -

SES - Severely Errored Second -

SESR - Severely Errored Second Ratio -

SETPI - Synchronous Equipment Timing Physical Interface -

SETS - Synchronous Equipment Timing Source -

SF - Subframe -

SID - System Identifier - ( NSAP )

SIU - Synchronous Interface Unit -

SL - Synchronous Line link - (SDH)

SLM - Signal Label Mismatch -

- Synchronous Line Multiplexer -

SLR - Synchronous Line Regenerator - SLX - Synchronous Line Multiplexer -

SM - Synchronous Multiplexer - (, SM-1/4 Siemens)

SMA - Synchronous Multiplexer, Add-drop - SDH - ( GPT)

SMN - SDH Management Network - SDH

SMS - SDH Management Sub-network - SMS SMN

- Synchronous Multiplex System -

SMUX - SDH Multiplexor - SDH

- Synchronous Multiplexer -

SNA - System Network Architecture -

SNC-P - SDH Alcatel

SNDCF - Sub-Network Dependent Convergence Function - ,

SNMP - Simple Network Management Protocol -

SOH - Section Overhead -

SONET - Synchronous Optical Network - :

- 1) -

- 2) ,

SONET/SDH - Synchronous Optical Network/Synchronous Digital Hierarchy - / - SONET, , SDH

SOS - Service Operations System -

SPI - SDH Physical Interface - SDH

SPIU - Subrack Power Interface Unit - () ( Nokia)

SR - Synchronous Radio link - (SDH)

SRC - Secondary Reference Clock - ()

SRT - Synchronous Radio Trunk -

SS7 - SS#7 - Signaling System No.7 - no 7 (-7)

SSM - Synchronization Status Message -

SSW - System Switch unit - - - - DXC-4/4/1 ( Nokia)

ST -

STM - Synchronous Time division Multiplexer/Multiplexing -

- Synchronous Transport Module - - SDH

STM-0 - Synchronous Transport Module of level 0 - SDH, SONET -1 - 51.840 / ( , STM-RR)

STM-1 - Synchronous Transport Module of level 1 - SDH - 155.520 /

- 155 / ( Nokia)

STM-1E - 155 / ( Nokia)

STM-16 - Synchronous Transport Module of level 16 - 16 SDH - 2,488.320 /

STM-256 - Synchronous Transport Module of level 256 - 256 SDH - 39,813.120 /

STM-4 - Synchronous Transport Module of level 4 - 4 SDH - 622.080 /

- 622 / ( Nokia)

STM-64 - Synchronous Transport Module of level 64 - 64 SDH - 9,953.280 /

STM-RR - Synchronous Transport Module for Radio Relay link - SDH, , STM-0 -1

STM-N - Synchronous Transport Module of level N - SDH N, N = 1, 4, 16, 64, 256

STS - Synchronous Transport Signal - - SONET

STS-1 - Synchronous Transport Signal of the 1-st level - SONET - 51.84 / ( , STM-0 SDH)

STS-12 - Synchronous Transport Signal of the 12-th level - 12- SONET - 622.08 / ( , STM-4 SDH)

STS-192 - Synchronous Transport Signal of the 192-th level - 192- SONET - 9953.28 / ( , STM-64 SDH)

STS-3 - Synchronous Transport Signal of the 3-rd level - 3- SONET - 155.52 / ( , STM-1 SDH)

STS-48 - Synchronous Transport Signal of the 48-th level - 48- SONET - 2488.32 / ( , STM-16 SDH)

STS-n - STS-N - Synchronous Transport Signal of level n - n- SONET

SU - Service Unit - ( Nokia)

SUN - SUN Microsystems - - SUN SPARC Stations

SVC - Switched Virtual Circuit -

SW - Switch -

SXC - Synchronous Cross-Connect - -

-

T:DAX - - PDH/SDH/SONET ECI

1 - 1544 /, PDH (. DS-1)

2 - 6312 /, PDH (. DS-2)

- 44.736 /, PDH (. DS-3)

4 - 274.176 /, de facto PDH (. DS-4)

- Terminal Adapter -

TCI - TIU Connection Interface - TIU

TCN - Telecommunications Network -

- Threshold Crossing Notification - /

TF - Transmission Fail -

TIM - Trace Identifier Mismatch -

TIU - Tributary Interface Unit -

- Terminal Multiplexer -

TMN - Telecommunications Management Network - ( )

TMS - Telecommunications Management System -

TN-1X, -4 - SDH STM-1, STM-4 Nortel

TNC - Transit Node Clock -

Token Ring - " ", IEEE 802.5

- Transmission Path - ()

4 - -4 - Transport Protocol Class 4 - 4- - , ( )

TSW - Terminal System Switch - - ( Nokia)

TTF - Transport Terminal Function - / VC

TTI - Trail Trace Identifier - ()

TU - Tributary Unit - ( : , ) - SDH,

TU-11 - Tributary Unit-11 - , VC-11 SDH

TU-12 - Tributary Unit-12 - , VC-12 SDH

TU-2 - Tributary Unit-2 - , VC-2 SDH

TU-3 - Tributary Unit-3 - , VC-3 SDH ( TU-31, TU-32)

TU-n - Tributary Unit-n - , VC n (=1,2,3)

TUAP - TU - Tributary Unit Access Point -

TUG-2 - Tributary Unit Group-2 - 2 - SDH, TU-1,2; TUG-2 , TU-1,2 2 - TUG-21 TUG-22,

TUG-n - Tributary Unit Group n - n (n=2,3)

U - S

UAS - Unavailable seconds -

UITS - Unacknowledged Information Transfer Service - :

UTC - Universal Time, Coordinated -

V1-V4 - ,

V5 -

VC - Virtual Container - - SDH

VC-11 - Virtual Container 11 - , -11

VC-12 - Virtual Container 12 - , -12

VC-2 - Virtual Container 2 - , -2

VC-3 - Virtual Container 3 - , -3

VC-4 - Virtual Container 4 - , -4

VC-4-Xc - , VC-4, , VC-4

VC-n - Virtual Container of level n - n

WA, WB - West A, West - "" : () ()

WAN - Wide Area Network -

WDM - Wavelength Division Multiplexing - ( )

WS - Workstation - - PC (DEC, HP, Intel, SUN)

WSF - Workstation Function -

X - DCN " ",

x - TMN OSF, TMN

.25 - .25

- Extended Capacity - , SDH , SDH

Y -

Z6 -

Z7 -

1+1 - SDH

1:1 - SDH

- -

- (DCE)

AM -

- PDH

-

- - (ADC)

- () ( , SRC)

- - (OSI)

- - (FO cable)

Ѡ - -

-

- (DS2)

- (SRC)

- (WAN)

̠ - (DPCM)

- PDH

- - ()

- (voice channel)

- - (LAN)

̠ - / ( , , , )

- (ITU)

.. -

-

c -

- ( )

- (MAN)

- (, -7)

- (DTE)

- -

- (basic rate digital signal, DS-0) - 64 /

- (PDH)

- (DS1)

- (PRC)

- (contradirectional) .

-

-

/ - /

- (codirectional)

- (SONET)

-

- (SDH)

- (DS3)

- (voice frequency)

- (centralized clock interface)

Π - (ISDN)

- (FM)

- (DS4)

- ()

- PDH


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. , , , , , .