Rainbow Electronics DS1875 - Manual (Page 50)

DS1875
PON Triplexer and SFP Controller
50 ______________________________________________________________________________________
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS N/A
MEMORY TYPE Volatile
71h MON3 HI MON3 LO MON4 HI MON4 LO RESERVED RESERVED RESERVED RESERVED
BIT 7 BIT 0
BIT 7
MON3 HI: High alarm status for MON3 measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
BIT 6
MON3 LO: Low alarm status for MON3 measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
BIT 5
MON4 HI: High alarm status for MON4 measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
BIT 4
MON4 LO: Low alarm status for MON4 measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
BITS 3:0 RESERVED
Lower Memory, Register 71h: ALARM 2