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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