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參數(shù)資料
| 型號： | IDT82V2616BBG |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 69/99頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INVERSE MUX 16CH ATM 272-PBGA |
| 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： | 260-BGA |
| 供應(yīng)商設(shè)備封裝： | 260-PBGA（19x19） |
| 包裝： | 托盤 |
| 安裝類型： | 表面貼裝 |
| 其它名稱： | 82V2616BBG |
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IMA OPERATION
71
December 4, 2006
IDT82V2616
Inverse Multiplexing for ATM
6.3
START UP A GROUP
A group can be started by StartGroup command. At IMA group start-
up, the NE and the FE exchange their configuration parameters. When
both ends accept the parameters proposed by the other end, they enter
an intermediate state to wait for Ptx and Prx links to enter active state.
The group can then enter operational state.
6.4
INHIBIT A GROUP/NOT INHIBIT A GROUP
The inhibition of a group is the shut down of the group for a reason
other than insufficient links.
A group can be inhibited by InhibitGrp command.
A group inhibition state can be cancelled by NotInhibitGrp
command.
6.5
ADD LINKS TO A GROUP THAT IS IN OPERA-
TIONAL STATE
The LASR (Link Addition and Slow Recovery) procedure is to be
started when new links are to be inserted or links are to be recovered
from a group.
The LASR procedure can be started by StartLASR command.
6.6
DELETE LINKS
A link can be removed by DeleteLink command. The deletion proce-
dure can be initiated from both the Tx and Rx side.
6.7
DEACTIVATE AND RECOVER LINKS
Links are deactivated because of link fault, failure (Rx failed) or inhi-
bition while links are recovered because defect no longer exists or inhibi-
tion is cancelled.
The deactivation-recovering of a link is done by the IDT82V2616
automatically according to the FE notification (Remote Failure Indicator
in ICP cell) or by the embedded controller (issue commands like
DeactLink and RecoverLink commands) due to link fault or inhibition or
no longer link fault or inhibition.
6.8
RESTART A GROUP
After a group is started, the parameters of the group can be reconfig-
ured at any time, which will cause the group to be restarted automati-
cally. However, a group can also be restarted by RestartGrp command.
When a group is restarted, the GSM transits to Start-up state from any
other states except Not Configured state. If the GSM is in Operational
state, the group may be blocked and all the links be inhibited before
restart.
6.9
DELETE A GROUP
When a group is deleted from any other state by DeleteGrp
command, the GSM enters Not Configured state and all the links
belonging to that group will also be deleted and unassigned.
Tx links’ ICP offsets
The ICP cell location within the IMA frame transmitted over each Tx link.
All Tx links’ backup property
The Tx link added to the group is a backup link or not.
All Rx links’ backup property
The Rx link added to the group is a backup link or not.
Table-50 Parameters for IMA Group Configuration (Continued)
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