PXB4219 Datasheet, PDF (90/290 Pages) Infineon Technologies AG – IWE8 Interworking Element for 8 E1/T1 Lines

PXB4219 / PXB4220 / PXB4221
Operational Description
Table 23 AAL Idle slot positions for structured CES in AAL mode
Slot number
E1
T1 in FAM
T1 in GIM
13
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
14
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
15
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
16
AAL Idle
AAL Idle
AAL Ref./Cont./Idle
17
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
18
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
19
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
20
AAL Ref./Cont./Idle AAL Idle
AAL Ref./Cont./Idle
21
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
22
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
23
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Ref./Cont./Idle
24
AAL Ref./Cont./Idle AAL Idle
AAL Idle
25
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Idle
26
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Idle
27
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Idle
28
AAL Ref./Cont./Idle AAL Idle
AAL Idle
29
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Idle
30
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Idle
31
AAL Ref./Cont./Idle AAL Ref./Cont./Idle AAL Idle
The channel mapping can be dynamically reconfigured without disturbing other active
channels of the same port.
4.11.2.3 Structured CES with CAS
If a port is used for structured CES with CAS, additional signalling is inserted into the
channel overhead. The associated RAM slots, 0 in T1 mode and RAM slots 0 and 16 in
E1 mode, need to be configured as reference slots with “sdt_mfs” = 1.
Please note, that all settings of the AAL Reference Slot refer to the channel payload.
Therefore, in case of T1 mode in FAM or E1 mode the channel has to be set to inactive
(“channel_mode” = 0) with no bandwidth assigned (“band_width” = 0).
In T1 mode in GIM things are different. RAM slot 0 may also be used for user data, with
“channel_mode” and “band_width” set according to the requirements of the user data
carried via that slot.
Data Sheet
90
2002-05-06