PXB4221 Infineon Technologies AG, PXB4221 Datasheet - Page 283

• Manufacturer Part Number: PXB4221
• Description: IWE8 Interworking Element for 8 E1/T1 Lines
• Manufacturer: Infineon Technologies AG

Table 55
DS1 Multiframe
Frame 1 (CasBeginFrame) - Frame 5 1-8
Frame 6
Frame 7 - Frame 11
Frame 12
Frame 13 - Frame 17
Frame 18
Frame 19 - Frame 23
Frame 24
Example Multiframe Structure for 1x64 Kbit/s DS1 with CAS
Data Sheet
A TM S D U
Allocation of Channel Associated Signalling Bits to 24 Frame
Multiframe
A B C D ts x
A A L s tru ctu re po inte r = 0
A A L1 h ead er oc tet
tim es lot x
tim es lot x
tim es lot x
tim es lot x
tim es lot x
tim es lot x
tim es lot x
tim es lot x
tim es lot x
tim es lot x
tim es lot x
tim es lot x
Digit time slot in each
channel used for
Characters Signalling
1-7
1-8
1-7
1-8
1-7
1-8
1-7
283
u nus ed =0 00 0
PXB4219 / PXB4220 / PXB4221
-
8
-
8
-
8
-
8
22 th fra m e
23 th fra m e
24 th fra m e
19 th fra m e
20 th fra m e
2 1st fra m e
2nd fram e
2nd fram e
3 rd fra m e
sig na lling
3 rd fra m e
1 st fra m e
1 st fra m e
Signalling channel
identifier
333
bit/s
-
A
-
B
-
C
-
D
667
bit/s
-
A
-
B
-
A
-
B
fram e
fram e
m ulti-
m ulti-
2n d
1st
Appendix
2002-05-06
1333
bit/s
-
A
-
A
-
A
-
A