DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver

Figure 12-26. Transmit-Side Boundary Timing (Elastic Store Disabled)

TCLKT

 

CHANNEL 1

CHANNEL 2

TSERI

LSB Si 1 A Sa4 Sa5 Sa6 Sa7 Sa8 MSB

LSB MSB

TSYNC1

 

 

TSYNC2

 

 

 

CHANNEL 1

CHANNEL 2

TSIG

D

A B C D

TCHCLK

TCHBLK 3

NOTE 1: TSYNC IS IN THE OUTPUT MODE (TR.IOCR1.1 = 1).

NOTE 2: TSYNC IS IN THE INPUT MODE (TR.IOCR1.1 = 0).

NOTE 3: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 2.

NOTE 5: THE SIGNALING DATA AT TSIG DURING CHANNEL 1 IS NORMALLY OVERWRITTEN IN THE TRANSMIT FORMATTER WITH THE CAS MF ALIGNMENT NIBBLE (0000).

NOTE 6: SHOWN IS A TNAF FRAME BOUNDARY.

Figure 12-27. Transmit-Side Boundary Timing, TSYSCLK = 1.544MHz (Elastic Store Enabled)

TSYSCLK

CHANNEL 23

CHANNEL 24

CHANNEL 1

TSERI1

LSB MSB

LSB F MSB

TSSYNC

TCHCLK

TCHBLK 2

NOTE 1: THE F-BIT POSITION IN THE TSERI DATA IS IGNORED.

NOTE 2: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 24.

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Maxim DS33R11 specifications Transmit-Side Boundary Timing Elastic Store Disabled, Tssync Tchclk Tchblk