User manual

DynamixUM‐SNBUserManualVer1.0097
FAS Data Data Data Data Data Data Data Data
01234567
831
Time Slots
64k 64k 64k 64k 64k 64k 64k 64k 64k 64k1408k
9 ~ 30
The First Time Slot setting of PCM31(FAS) and PCM31C(FAS+ CRC4) have to follow the rule:
First Time Slot ≦ 31 - Time Slot Number
Using the E1 framing of PCM30(FAS+CAS) or PCM30C(FAS+CAS+CRC4), the FAS will occupy Time Slot 0 and CAS Time
Slot 16. There are only 30 Time Slot left for data. On the other hand, the data rate is 1920kbps.
FAS
01234 16
31
Time Slots
64k 64k 64k 64k 64k 64k 64k896k
17 ~ 30
CAS
5 ~ 15
704k
The First Time Slot setting of PCM30(FAS+CAS) and PCM30C(FAS+CAS+CRC4) have to follow the rule:
First Time Slot ≦ 30 - Time Slot Number
Unframed E1
Data Data Data Data Data Data Data Data Data Data Data
01234567
831
Time Slots
64k 64k 64k 64k 64k 64k 64k 64k 64k 64k1408k
9 ~ 30
In Unframed E1, user data are inserted into all 32 channels (64k x 32 = 2048k) of the E1 stream. The object of running without
framing is to utilize the full bandwidth of the E1 line.