Datasheet

DS26521 Single T1/E1/J1 Transceiver
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Figure 10-3. T1 Receive-Side Boundary Timing (Elastic Store Disabled)
Figure 10-4. T1 Receive-Side 1.544MHz Boundary Timing (Elastic Store Enabled)
CHANNEL 23
CHANNEL 24 CHANNEL 1
CHANNEL 23
CHANNEL 24 CHANNEL 1
RCLK
RSER
RSYNC
RFSYNC
RSIG
RCHCLK
RCHBLK
1
BA
C/A
D/B
AC/A
D/B
LSB
F
MSB
MSB
LSB
AB
NOTE 1: RCHBLK IS PROGRAMMED TO BLOCK CHANNEL 24.
RSER
CHANNEL 23
CHANNEL 24 CHANNEL 1
RCHCLK
RCHBLK
RSYSCLK
RSYNC
2
3
RSYNC
1
RMSYNC
RSIG
LSB
F
MSB
MSB
LSB
CHANNEL 23 CHANNEL 24
CHANNEL 1
BA
C/A
D/B
AC/A
D/B
AB
NOTE 1: RSYNC IS IN THE OUTPUT MODE (RIOCR.2 = 0).
NOTE 2: RSYNC IS IN THE INPUT MODE (RIOCR.2 = 1).
NOTE 3: RCHBLK IS PROGRAMMED TO BLOCK CHANNEL 24.