XRT85L61

BITS (BUILDING INTEGRATED TIMING SUPPLY) CLOCK EXTRACTOR

REV. 1.0.1

9

1.

V1 and V2 indicate AMI code-rule violations, and give the 8kHz timing.

2.

V1 and V2 have different violation polarity with respect to each other.

3.

nV indicates no violation (violation stealing) and gives the 400 Hz timing.

1.2

2048 kHz RZ E1 Mode

In this mode, the XRT85L61 receives a standard E1 signal as shown in Figure 5. Table 4 gives the details of

the E1 pulse.

V1

125

µs

(8 kH z)

125

µs

(8 kH z)

125

µs

(8 kH z)

125

µs

(8 kH z)

nV

V2

V1

V2

nV

(8 kH z)

(400 H z)

(400 H z)

LC V

if nV is

Missing

26 9 n s

(244 + 2 5)

19 4 n s

(2 4 4 –5 0 )

24 4 n s

21 9 n s

(2 4 4 – 2 5 )

48 8 n s

(2 4 4 + 2 4 4 )

0%

50 %

V= 1 0 0 %

N o m ina l pul s e

No te – V c o rre s ponds t o t h e nom in al pea k va lu e .