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Total Access 1248 Quad T1 IMA 48-Port DSLAM with Modem Installation and Maintenance Practice
Table 5-84. IMA Group Provisioning Menu Options (Continued)
Option
Description
2
IMA Transmit ID
3
IMA TX Frame Length
4
Min. TX Active Links
5
Min. RX Active Links
6
Max. Link Diff. Delay
7
Group Version
5-120
Function
Each IMA Group has an overall ID transmitted to the
other end. The IMA Transmit ID is different from the
Link ID.
The IMA Transmit ID settings are from 0 to 255. The
default is 101.
This field displays the size of the IMA frame. For
example, for a 128 frame length, there are 127 data cells
and one IMA Control Protocol (ICP) cell.
The IMA TX Frame Length settings are as follows:
• 32
• 64
• 128 (default)
• 256
This field displays the minimum number of transfer
links necessary for the IMA Group to be considered
active.
The Minimum TX Active Links settings are from 1 to 4.
The default is 1.
This field displays the minimum number of receive links
necessary for the IMA Group to be considered active.
The Minimum RX Active Links settings are from 1 to 4.
The default is 1.
This field displays the maximum delay allowed between
individual links in the IMA Group.
The Maximum Link Differential Delay settings are from 0
to 100 ms. The default is 100 ms.
This field displays the IMA group version. Version 1.1
supports both versions 1.0 an 1.1, with automatic
fallback from version 1.1 to 1.0 with legacy IMA
equipment.
The Group Version settings are Version 1.0 (ALT) or
Version 1.1. The default is Version 1.1.
61179641AL1-5C
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