Total Access 1224 Quad T1 IMA 24-Port DSLAM Installation and Maintenance Practice
5-112 61179621L1-5C
Table 5-80. IMA Group Provisioning Menu Options
Option Description Function
1Group Operation Mode The IMA Group must be Out of Service-Unassigned in
order to change the options. If the IMA Group is In
Service or Out of Service-Maintenance, only the Group
Operation Mode is available for changes.
The Group Operation Mode settings are as follows:
Out of Service-Unassigned
Out of Service-Maintenance
In Service
2IMA Transmit ID 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.
3IMA TX Frame Length 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
4Min. TX Active Links 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 8.
The default is 1.
5Min. RX Active Links 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 8.
The default is 1.
6Max. Link Diff. Delay 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.
7Group Version 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.