XRT86VL30 datasheet(82/188 Pages) EXAR

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XRT86VL30

SINGLE T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION

REV. 1.0.0

BERT Pattern Definitions

3 in 24

0001 0001 0000 0001 0000 0000 ...

1 in 8

0000 0010 ...

55 Octet (Unframed)

This pattern is shown in HEX format for simplification purposes.

01 01 01 01 01 01 80 01 01 01 01 01 01 03 01 01 01 01 07 01 01 01 01 55 55 55 55 AA AA AA AA 01 01 01 01

01 01 FF FF FF FF FF FF 80 01 80 01 80 01 80 01 80 01 80 01 ...

Daly Pattern (Framed)

This pattern is shown in HEX format for simplification purposes.

01 01 01 01 01 01 80 01 01 01 01 01 01 03 01 01 01 01 07 01 01 01 01 55 55 55 55 AA AA AA AA 01 01 01 01

01 01 FF FF FF FF FF FF 80 01 80 01 80 01 80 01 80 01 80 01 ...

TABLE 61: BERT CONTROL REGISTER (BCR)

HEX ADDRESS: 0X0163

BIT

FUNCTION

TYPE

DEFAULT

DESCRIPTION-OPERATION

7-4

Reserved

R/W

Reserved

3-0

BERT[3:0]

R/W

0000

BERT Pattern Select

0010 =PRBS X20 + X3 + 1

0011 = QRSS X20 + X17 + 1

0100 = All Ones

0101 = All Zeros

0110 = 3 in 24

0111 = 1 in 8

1000 = 55 Octet Pattern

1001 = Daly Pattern

1010 = PRBS X20 + X17 + 1

Others = Invalid

XRT86VL30 Datasheet(PDF) 82 Page - Exar Corporation

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