82V2608BB IDT, Integrated Device Technology Inc, 82V2608BB Datasheet - Page 70

• Manufacturer Part Number: 82V2608BB
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82V2608BB

• Utopia Level: Level 2
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 2.97V
• Operating Supply Voltage (max): 3.63V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Package Type: BGA
• Pin Count: 208
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Not Compliant

Table-50 Parameters for IMA Group Configuration (Continued)
6.3
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
The group can then enter operational state.
6.4
other than insufficient links.
command.
6.5
TIONAL STATE
started when new links are to be inserted or links are to be recovered
from a group.
6.6
dure can be initiated from both the Tx and Rx side.
Tx links’ ICP offsets
All Tx links’ backup property
All Rx links’ backup property
IDT82V2608
IMA OPERATION
A group can be started by StartGroup command. At IMA group start-
The inhibition of a group is the shut down of the group for a reason
A group can be inhibited by InhibitGrp command.
A group inhibition state can be cancelled by NotInhibitGrp
The LASR (Link Addition and Slow Recovery) procedure is to be
The LASR procedure can be started by StartLASR command.
A link can be removed by DeleteLink command. The deletion proce-
START UP A GROUP
INHIBIT A GROUP/NOT INHIBIT A GROUP
ADD LINKS TO A GROUP THAT IS IN OPERA-
DELETE LINKS
P
tx
and
P
rx
The ICP cell location within the IMA frame transmitted over each Tx link.
The Tx link added to the group is a backup link or not.
The Rx link added to the group is a backup link or not.
links to enter active state.
70
6.7
bition while links are recovered because defect no longer exists or inhibi-
tion is cancelled.
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
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
command, the GSM enters Not Configured state and all the links
belonging to that group will also be deleted and unassigned.
Links are deactivated because of link fault, failure (Rx failed) or inhi-
The deactivation-recovering of a link is done by the IDT82V2608
After a group is started, the parameters of the group can be reconfig-
When a group is deleted from any other state by DeleteGrp
DEACTIVATE AND RECOVER LINKS
RESTART A GROUP
DELETE A GROUP
Inverse Multiplexing for ATM
December 4, 2006