DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver

Figure 12-24. G.802 Timing, E1 Mode Only

TS #

RSYNC

TSYNC

RCHCLK

TCHCLK

RCHBLK

TCHBLK

31 32 0 1 2 3 4 5 6 7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

0

1

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RCLKO / RSYSCLK TCLKT / TSYSCLK

NOTE: RCHBLK OR TCHBLK PROGRAMMED TO PULSE HIGH DURING TIME SLOTS 1 THROUGH 15, 17 THROUGH 25, AND BIT 1 OF TIME SLOT 26.

CHANNEL 25

CHANNEL 26

RSERO / TSERI

LSB MSB

RCHCLK / TCHCLK

RCHBLK / TCHBLK

Figure 12-25. Transmit-Side Timing

FRAME#

14

15

16

1

2

3

4

5

6

TSYNC1

TSSYNC

7

8 9 10 11 12 13 14 15 16 1 2

3

4 5 6 7 8 9 10

TSYNC2

NOTE 1: TSYNC IN FRAME MODE (TR.IOCR1.2 = 0).

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

NOTE 3: THIS DIAGRAM ASSUMES BOTH THE CAS MF AND THE CRC4 MF BEGIN WITH THE TAF FRAME.

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Maxim DS33R11 specifications Rsync Tsync Rchclk Tchclk Rchblk Tchblk, FRAME# TSYNC1 Tssync, TSYNC2