PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
ATM cells is halted until enough delay is built up. This causes CDV for the group.
Once the delay has been added, the DCB for the new link can be aligned with
the existing links and added to the round-robin for playout. Figure 17 shows the
case after delay was added to the existing links within the group. The adding of
delay to a group may be disabled. In this case, the new link would be rejected
due to a LODS defect meaning that the DCB could not be aligned with the group.
Figure 16
- Snapshot of DCB Buffers when trying to add Link with larger
transport delay
DCB
DCB
DCB
DCB
Link 0
Link 1
Link 2
Link3
Write
Pointer 0
25
21
17
13
9
Write
Pointer 1
14
10
6
Write
Pointer 2
5
7
3
Group
Read
1
2
Pointer
Write
Pointer 3
-5
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
64
PMC [ PMC-SIERRA, INC ]
