Rainbow Electronics DS21458 - Manual (Page 241)

DS21455/DS21458 Quad T1/E1/J1 Transceivers
241 of 270
Figure 36-14. Receive Side Boundary Timing, RSYSCLK = 2.048MHz
(With Elastic Store Enabled)
NOTES:
1) RSYNC is in the output mode (IOCR1.4 = 0).
2) RSYNC is in the input mode (IOCR1.4 = 1).
3) RCHBLK is programmed to block channel 1.
4) RSIG normally contains the CAS multiframe-alignment nibble (0000) in channel 1.
RSER
CHANNEL 1
RCHCLK
RCHBLK
RSYSCLK
RSYNC
CHANNEL 31 CHANNEL 32
1
3
RSYNC
2
RMSYNC
RSIG
CHANNEL 31 CHANNEL 32
C D A B
CHANNEL 1
LSB MSB LSB MSB
C D B A
Note 4