
IWE8, V3.4
PXB 4219E, PXB 4220E, PXB 4221E
Operational Description
Data Sheet
86
2003-01-20
However, it is possible to define other ATM cell mappings, e.g. ATM cells in less than 32
64 kbit/s channels. However, RAM slot 1 has always to be defined as Reference Slot.
4.11.2
AAL Mode
4.11.2.1
Unstructured CES
For unstructured CES according to ATM-Forums CES Specification [10] there is only
one channel per port. Therefore, the internal configuration RAMs 1 to 3 have only to be
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Idle
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
8
9
ATM Continuation
ATM Continuation
ATM Idle
ATM Continuation
ATM Continuation
ATM Continuation
ATM Idle
ATM Continuation
ATM Continuation
ATM Continuation
ATM Idle
ATM Continuation
ATM Continuation
ATM Continuation
ATM Idle
ATM Continuation
ATM Continuation
ATM Continuation
ATM Idle
ATM Continuation
ATM Continuation
ATM Continuation
11
12
13
14
15
16
17
18
19
20
21
22
23
24
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Continuation
ATM Idle
ATM Idle
ATM Idle
ATM Idle
ATM Idle
ATM Idle
ATM Idle
ATM Idle
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Table 22
RAM
Slot
RAM slot positions for ITU-T G.804 compliant ATM mapping
(cont’d)
E1
T1 in FAM
Slot RAM Slot Type
Slot RAM Slot Type
T1 in GIM
Slot RAM Slot Type