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PXB4219 Datasheet, PDF (283/290 Pages) Infineon Technologies AG – IWE8 Interworking Element for 8 E1/T1 Lines
PXB4219 / PXB4220 / PXB4221
Appendix
Table 55
Allocation of Channel Associated Signalling Bits to 24 Frame
Multiframe
DS1 Multiframe
Digit time slot in each Signalling channel
channel used for
identifier
Characters Signalling 333 667 1333
bit/s bit/s bit/s
Frame 1 (CasBeginFrame) - Frame 5 1-8
-
-
-
-
Frame 6
1-7
8
AAA
Frame 7 - Frame 11
1-8
-
-
-
-
Frame 12
1-7
8
BBA
Frame 13 - Frame 17
1-8
-
-
-
-
Frame 18
1-7
8
CAA
Frame 19 - Frame 23
1-8
-
-
-
-
Frame 24
1-7
8
DBA
ATM SDU
AAL1 header octet
AAL structure pointer = 0
tim eslot x
tim eslot x
tim eslot x
ABCD ts x
tim eslot x
tim eslot x
tim eslot x
unused=0000
tim eslot x
tim eslot x
tim eslot x
tim eslot x
tim eslot x
tim eslot x
1st frame
2nd fram e
3rd frame
22th fram e
23th fram e
24th fram e
signalling
1st frame
2nd fram e
3rd frame
19th fram e
20th fram e
21st frame
1st
m ulti-
fram e
2nd
m ulti-
fram e
Example Multiframe Structure for 1x64 Kbit/s DS1 with CAS
Data Sheet
283
2002-05-06