PM73121ꢀAAL1gator II
Data Sheet
PMC-Sierra, Inc.
PMC-980620
,VVXHꢀꢁ
AAL1 SAR Processor
Line Signals During the Last Frame of a Multiframe
21
RL_SER
(timeslots)
0
1
2
22
ABCD
23
ABCD
XXXX
Channel 23
...
ABCD
ABCD
XXXX
ABCD
XXXX Channel 21
ABCD
XXXX
RL_SIG XXXX
...
XXXX
...
Channel 1
Channel 2
Channel 22
Channel 0
XXXX - indicates signaling is ignored
Figure 11. Capture of T1 Signaling Bits
Line Signals During the Last Frame of a Multiframe
29
RL_SER
(timeslots)
0
1
2
30
ABCD
31
ABCD
XXXX
Channel 31
...
ABCD
ABCD
XXXX
ABCD
ABCD
XXXX Channel 29
RL_SIG XXXX
XXXX
...
XXXX
...
Channel 1
Channel 2
Channel 30
Channel 0
XXXX - indicates signaling is ignored
Figure 12. Capture of E1 Signaling Bits
NOTE: The AAL1gator II treats all 32 timeslots identically. Although E1 data streams con-
tain 30 timeslots of channel data and 2 timeslots of control (timeslots 0 and 16), data
and signaling for all 32 timeslots are stored in memory and can be sent and received
in cells.
ꢁꢅ
PMC [ PMC-SIERRA, INC ]
