Datasheet

DS26521 Single T1/E1/J1 Transceiver
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Figure 10-21. E1 Transmit-Side 1.544MHz Boundary Timing (Elastic Store Enabled)
Figure 10-22. E1 Transmit-Side 2.048MHz Boundary Timing (Elastic Store Enabled)
LSB F MSBLSB MSB
CHANNEL 1CHANNEL 24
TSYSCLK
TSER
TSSYNC
TCHCLK
TCHBLK
CHANNEL 23
1
2
NOTE 1: THE F-BIT POSITION IN THE TSER DATA IS IGNORED.
NOTE 2: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 24.
TSER
CHANNEL 1
TCHCLK
TCHBLK
TSYSCLK
TSYNC
CHANNEL 31 CHANNEL 32
2
1
TSIG
CHANNEL 31
CHANNEL 32
C
D
AB
CHANNEL
1
LSB MSB
LSB
MSB
C
D
BA
NOTE 1: TSYNC IN THE INPUT MODE (TIOCR.2 = 0).
NOTE 2: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 1.