Rainbow Electronics DS26519 - Manual (Page 278)

DS26519 16-Port T1/E1/J1 Transceiver
278 of 310
11.3 E1 Receiver Functional Timing Diagrams
Figure 11-17. E1 Receive-Side Timing
FRAME# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1
RSYNCn 2
RSYNCn
1
RFSYNCn
NOTE 1: RSYNCn IN FRAME MODE (RIOCR.0 = 0).
NOTE 2: RSYNCn IN MULTIFRAME MODE (RIOCR.0 = 1).
NOTE 3: THIS DIAGRAM ASSUMES THE CAS MF BEGINS IN THE RAF FRAME.
Figure 11-18. E1 Receive-Side Boundary Timing (Elastic Store Disabled)
CHANNEL 32 CHANNEL 1 CHANNEL 2
CHANNEL 32 CHANNEL 1 CHANNEL 2
RCLKn
RSERn
RSYNCn
RFSYNCn
RSIGn
RCHCLKn
1
RCHBLKn
1
C D A
LSB MSB
A B
Si 1 A Sa4 Sa5 Sa6 Sa7 Sa8
B
Note 3
NOTE 1: RCHBLKn IS PROGRAMMED TO BLOCK CHANNEL 1.
NOTE 2: SHOWN IS AN RNAF FRAME BOUNDARY.
NOTE 3. RSIGn NORMALLY CONTAINS THE CAS MULTIFRAME ALIGNMENT NIBBLE (0000) IN CHANNEL 1.