參數(shù)資料
型號： MT90221
廠商： Mitel Networks Corporation
英文描述： Quad IMA/UNI PHY Device(四端口 IMA/UNI 物理層設(shè)備（四端口ATM IMA和UNI處理器）)
中文描述： 四IMA的/單向物理層設(shè)備（IMA的四端口/單向物理層設(shè)備（四端口自動柜員機(jī)IMA的和單向處理器））
文件頁數(shù)： 110/116頁
文件大小： 309K
代理商： MT90221
MT90221
102
List of Abbreviations and Acronyms
AAL
ATM Adaptation Layer
ATM
Asynchronous Transfer Mode
CBR
Constant Bit Rate
CDV
Cell Delay Variation
CPE
Customer Premises Equipment
CRC
Cyclic Redundancy Check
CTC
Common Transmit Clock
DSU
Data Service Unit
FE
Far End
GSM
Group State Machine
GTSM
Group Transmit State Machine
HEC
Header Error Control
IDCR
IMA Data Cell Rate
I/F
Interface
IFSM
Ima Frame State Machine
IMA
Inverse Multiplexing for ATM
ISDN
Integrated Services Digital Network
ITC
Independent Transmit Clock
LCD
Loss of Cell Delineation
LID
Link Identification
LIF
Loss of IMA Frame
LODS
Link Out of Delay Synchronization
LOF
Loss Of Frame
LOS
Loss of Signal
LSM
Link State Machines
M
IMA Frame Size
MIB
Management Information Base
MVIP
Multi-Vendor Integration Protocol
NE
Near End
OAM
Operations, Administration and
Maintenance
OCD
Out of Cell Delineation (anomaly)
OIF
Out of IMA Frame (anomaly)
PDH
Plesiochronous Digital Hierarchy
PHY
Physical Layer
PMD
Physical Medium Dependent
QoS
Quality of Service
RAI
Remote Alarm Indication
RDI
Remote Defect Indication
RFI
Remote Failure Indication
SAR
Segmentation and Reassembly
SCCI
Status and Control Change Indication
SOC
Start of Cell
TC
Transmission Convergence
TRL
Timing Reference Link
TRLCR
Timing Reference Link Cell Rate
UTOPIA
Universal Test and Operations Physical
Interface for ATM
UNI
User Network Interface
ATM Glossary
Asynchronous Transfer Mode Adaptation Layer
(AAL)
- Standardized protocols used to translate
higher layer services from multiple applications into
the size and format of an ATM cell. Individual
protocols are indexed as per the examples below:
AAL0
- Native ATM cell transmission propri-
etary protocol featuring 5-byte header and 48-
byte user payload.
AAL1
- Used for the transport of constant bit
rate, time-dependent traffic (e.g. voice, video);
requires transfer of timing information between
source and destination; maximum of 47-bytes
of user data permitted in payload as an addi-
tional header byte is required to provide
sequencing information.
AAL5
- Usually used for the transport of vari-
able bit rate, delay-tolerant data traffic and sig-
nalling which requires little sequencing or
error-detection support.
Active
- This is a link state indicating the link is
capable of passing ATM Layer cells in the specified
direction.
Aligned
- IMA Frames are said to be aligned if they
are transmitted simultaneously.
Asynchronous
1. Not synchronous; not periodic.
2. The temporal property of being sourced from
independent timing references, having different
frequencies and no fixed phase relationship
3. In telecommunications, data which is not
synchronized to the public network clock.
4. The condition or state of being unable to
determine exactly when an event will transpire prior
to its occurrence.
Asynchronous Transfer Mode (ATM
) - A method of
organizing information to be transferred into fixed-
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT90221AL 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Quad IMA/UNI PHY Device
MT90222 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:4/8/16 Port IMA/TC PHY Device
MT90222AG 制造商:Microsemi Corporation 功能描述:ATM IMA 40MBPS 2.5V 384BGA - Trays
MT90222AG2 制造商:Microsemi Corporation 功能描述:ATM IMA 40MBPS 2.5V 384BGA /BAKE/DRYPACK - Trays
MT90223AG 制造商:Microsemi Corporation 功能描述:ATM IMA 80MBPS 2.5V 384BGA - Trays
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