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DS26521 Datasheet(PDF) 231 Page - Maxim Integrated Products

Part # DS26521
Description  Single T1/E1/J1 Transceiver
PDF  258 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS26521 Datasheet(HTML) 231 Page - Maxim Integrated Products

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DS26521 Single T1/E1/J1 Transceiver
231 of 258
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)
RSER
CHANNEL 23/31
CHANNEL 24/32
CHANNEL 1/2
RCHCLK
RCHBLK
RSYSCLK
RSYNC
2
3
RSYNC
1
RMSYNC
LSB
F
MSB
MSB
LSB
4
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.
RSER
CHANNEL 1
RCHCLK
RCHBLK
RSYSCLK
RSYNC
CHANNEL 31
CHANNEL 32
1
3
RSYNC
2
RMSYNC
RSIG
CHANNEL 31
CHANNEL 32
C
D
AB
CHANNEL 1
LSB MSB
LSB MSB
C
D
B
A
Note 4
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.



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