參數(shù)資料
型號: IDT82V2604BBG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 92/97頁
文件大小: 0K
描述: IC INVERSE MUX 4CH ATM 208-BGA
標準包裝: 1
應(yīng)用: 無線
接口: Utopia
電源電壓: 2.97 V ~ 3.63 V
封裝/外殼: 208-BGA
供應(yīng)商設(shè)備封裝: 208-PBGA(17x17)
包裝: 托盤
安裝類型: 表面貼裝
其它名稱: 82V2604BBG
IDT82V2604
Inverse Multiplexing for ATM
Glossary
92
December 4, 2006
LODS
Link Out Of Delay Synchronization defect. The LODS is a link event indicating that the link is not synchronized with the other links
within the IMA group.
LOF
—Loss Of Frame
LOS
Loss Of Signal
LSB
Least Significant Bit
LSI
Link Stuff Indication
LSM
Link State Machine
M
IMA frame size
MIB
Management Information Base
MPU
MicroProcessor Unit
MSB
Most Significant Bit
NE
Near-End (local end)
Not Configured
This is a group state indicating that the group does not exist yet.
Not in Group
This is used as an event or a state indicating that a link is no longer configured within an IMA group.
OAM
Operations And Maintenance
OCD
Out of Cell Delineation anomaly. As specified in ITU-T Recommendation I.432 [30], an OCD anomaly is reported upon the occur-
rence of Alpha (
α) consecutive cells with incorrect HEC, and it is no longer reported after detecting Delta (δ) consecutive cells with
correct HEC.
OIF
Out of IMA Frame anomaly
OOF
Out Of Frame
Operational
Group state indicating that the group has sufficient links in both Tx and Rx directions to carry ATM layer cells.
Physical Link
This is the link being used by the IMA unit to transmit and receive ATM cells. The IMA unit may use physical links in one or both
directions.
Prx
Minimum number of links required to be active in the receive direction for the IMA group to move into the Operational state.
Ptx
Minimum number of links required to be active in the transmit direction for the IMA group to move into the Operational state.
RDI
Remote Defect Indicator
RFI
Remote Failure Indicator
Rx
Receive (side)
SES
Severely Errored Seconds
SICP Cell
Stuff ICP cell. One of the 2 ICP cells comprising a stuff event.
Stuff Event
This is a repetition of an ICP cell over one IMA link to compensate for timing difference with other links within the IMA group.
Start-up
This is a group state indicating that the group is waiting to see the FE in Start-up.
Start-up-Ack
This is a group transitional state, when both groups are in start-up and the FE group parameters have been accepted.
Symmetrical Configu-
ration
This is an IMA group configuration scheme. In this configuration mode, physical links that are assigned to an IMA group are required
to be configured in both Tx and Rx directions.
Symmetrical Opera-
tion
This is an ATM traffic mode of an IMA group. In this mode, the physical link can be used to transfer data only when the link’s NE’s Tx
and Rx and FE’s Tx and Rx are all in active state.
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