ds26524 Maxim Integrated Products, Inc., ds26524 Datasheet - Page 244

• Manufacturer Part Number: ds26524
• Description: Ds26524 Quad T1/e1/j1 Transceiver
• Manufacturer: Maxim Integrated Products, Inc.

Figure 10-17. E1 Receive-Side 1.544MHz Boundary Timing (Elastic Store Enabled)
Figure 10-18. E1 Receive-Side 2.048MHz Boundary Timing (Elastic Store Enabled)
RCHBLK
RSYSCLK
RCHBLK
RSYSCLK
RMSYNC
RMSYNC
RCHCLK
RCHCLK
RSYNC
NOTE 1: DATA FROM THE E1 CHANNELS 1, 5, 9, 13, 17, 21, 25, AND 29 IS DROPPED (CHANNEL 2 FROM THE E1 LINK IS
MAPPED TO CHANNEL 1 OF THE T1 LINK, ETC.) AND THE F-BIT POSITION IS ADDED (FORCED TO ONE).
NOTE 2: RSYNC IN THE OUTPUT MODE (RIOCR.2 = 0).
NOTE 3: RSYNC IN THE INPUT MODE (RIOCR.2 = 1).
NOTE 4: RCHBLK IS PROGRAMMED TO BLOCK CHANNEL 24.
RSYNC
RSYNC
RSYNC
RSER
NOTE 1: RSYNC IN THE OUTPUT MODE (RIOCR.2 = 0).
NOTE 2: RSYNC IN THE INPUT MODE (RIOCR.2 = 1).
NOTE 3: RCHBLK IS PROGRAMMED TO BLOCK CHANNEL 1.
NOTE 4: RSIG NORMALLY CONTAINS THE CAS MULTIFRAME ALIGNMENT NIBBLE (0000) IN CHANNEL 1.
RSER
RSIG
2
1
3
1
3
4
2
CHANNEL 23/31
CHANNEL 31
A
CHANNEL 31
B
LSB
C
MSB
LSB MSB
D
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CHANNEL 24/32
CHANNEL 32
A
CHANNEL 32
B
LSB
C
LSB MSB
F
D
MSB
CHANNEL 1
CHANNEL 1/2
CHANNEL 1
Note 4