DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver

Figure 12-16. Transmit-Side ESF Timing

FRAME# 1

TSYNC1

TSSYNC TSYNC 2

TSYNC3

2

3

4

5

6

7

8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1

2

3

4

5

NOTE 1: TSYNC IN FRAME MODE (TR.IOCR1.2 = 0) AND DOUBLE-WIDE FRAME SYNC IS NOT ENABLED (TR.IOCR1.3 = 0).

NOTE 2: TSYNC IN FRAME MODE (TR.IOCR1.2 = 0) AND DOUBLE-WIDE FRAME SYNC IS ENABLED (TR.IOCR1.3 = 1).

NOTE 3: TSYNC IN MULTIFRAME MODE (TR.IOCR1.2 = 1).

Figure 12-17. Transmit-Side Boundary Timing (with Elastic Store Disabled)

TCLKT

 

 

CHANNEL 1

CHANNEL 2

TSERI

LSB F MSB

LSB MSB

LSB MSB

TSYNC1

 

 

 

TSYNC2

 

 

 

 

 

CHANNEL 1

CHANNEL 2

TSIG

D/B

A B C/A D/B

A B C/A D/B

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.

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Maxim DS33R11 specifications FRAME# TSYNC1 Tssync Tsync TSYNC3, Tchclk Tchblk