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Ds1875, Pon triplexer and sfp controller – Rainbow Electronics DS1875 User Manual

Page 79

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DS1875

Table 02h, Register BEh: HBIAS

FACTORY

DEFAULT

00h

READ

ACCESS PW2

WRITE

ACCESS PW2

MEMORY TYPE

Nonvolatile (SEE)

BEh 2

7

2

6

2

5

2

4

2

3

2

2

2

1

2

0

BIT

7

BIT

0

Fast-comparison DAC setting for high BIAS. Comparisons greater than V

HBIAS

, found on the MON1 pin, create a

BIAS HI alarm.

V

HBIAS

=

Full Scale

255

HBIAS

Table 02h, Register BFh: MAX BIAS

FACTORY

DEFAULT

00h

READ

ACCESS PW2

WRITE

ACCESS PW2

MEMORY TYPE

Nonvolatile (SEE)

BFh 2

12

2

11

2

10

2

9

2

8

2

7

2

6

2

5

BIT

7

BIT

0

This value defines the maximum DAC value allowed for the upper 8 bits of BIAS output during all operations.

PON Triplexer and SFP Controller

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