Datasheet

DS1878
SFP+ Controller with Digital LDD Interface
48 ______________________________________________________________________________________
Lower Memory, Register 72h: ALARM
1
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS N/A
MEMORY TYPE Volatile
72h RESERVED RESERVED RESERVED RESERVED HBAL RESERVED TXP HI TXP LO
BIT 7 BIT 0
BITS 7:4 RESERVED
BIT 3
HBAL: High-Bias Alarm Status; Fast Comparison. A TXD event clears this alarm.
0 = (Default) Last comparison was below threshold setting.
1 = Last comparison was above threshold setting.
BIT 2 RESERVED
BIT 1
TXP HI: High-Alarm Status TXP; Fast Comparison. A TXD event clears this alarm.
0 = (Default) Last comparison was below threshold setting.
1 = Last comparison was above threshold setting.
BIT 0
TXP LO: Low-Alarm Status TXP; Fast Comparison. A TXD event clears this alarm.
0 = (Default) Last comparison was above threshold setting.
1 = Last comparison was below threshold setting.