G.SHDSL NTU User Manual V0.03
82
Using E1 frame of FAS+CAS or FAS+CAS+CRC4(PCM30 or PCM30C), the [FAS] will occupy Time Slot 0 and [CAS] will
occupy Time Slot 16. There have only 30 Time Slot left for data. On the other hand, the data rate is 1920kbps
(30x64Kbps).
FAS
0
1
2
3
4
16
31
Time Slot
64k
64k
64k
64k
64k
64k
64k
896k
17 ~ 30
CAS
5 ~ 15
704k
The First Time Slot setting of FAS+CAS and FAS+CAS+CRC4 (PCM30 and PCM30C) have to follow the rule:
RULE
First Time Slot
≦
30 - Time Slot Number
First Time Slot
≦
30 - Time Slot Number
Unframed E1
Used data is inserted into all 32 channels (64Kbps x 32 = 2048Kpbs) of the E1 stream
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
Data
0
1
2
3
4
5
6
7
8
31
Time Slot
64k
64k
64k
64k
64k
64k
64k
64k
64k
64k
1408k
9 ~ 30
Summary of Contents for G.SHDSL NTU
Page 1: ...G SHDSL NTU User Manual Version 0 03...
Page 9: ...G SHDSL NTU User Manual V0 03 8 1 4 Applications...
Page 30: ...G SHDSL NTU User Manual V0 03 29 E1 Interface...
Page 52: ...G SHDSL NTU User Manual V0 03 51...
Page 55: ...G SHDSL NTU User Manual V0 03 54...
Page 117: ...G SHDSL NTU User Manual V0 03 116 For E1 and Ethernet interface model...
Page 119: ...G SHDSL NTU User Manual V0 03 118 For Serial interface model For Ethernet interface model...