Rainbow Electronics DS1875 - Manual (Page 59)

DS1875
Table 01h, Register FAh: ALARM 1
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS PW1
MEMORY TYPE Volatile
FAh RESERVED RESERVED RESERVED RESERVED BIAS HI RESERVED TXP HI TXP LO
BIT 7 BIT 0
Layout is identical to ALARM 1 in Lower Memory, Register 72h with one exception.
1. These bits are latched. They are cleared by power-down or a write with PW1 access.
Table 01h, Register FBh: ALARM 0
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS PW1
MEMORY TYPE Volatile
FBh M3QT HI RESERVED RESERVED RESERVED BIAS MAX RESERVED RESERVED RESERVED
BIT 7 BIT 0
Layout is identical to ALARM 0 in Lower Memory, Register 73h with one exception.
1. These bits are latched. They are cleared by power-down or a write with PW1 access
Table 01h, Register FCh: WARN 3
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS PW1
MEMORY TYPE Volatile
FCh TEMP HI TEMP LO VCC HI VCC LO MON1 HI MON1 LO MON2 HI MON2 LO
BIT 7 BIT 0
Layout is identical to WARN 3 in Lower Memory, Register 74h with two exceptions.
1. VCC LO warning is not set at power-on.
2. These bits are latched. They are cleared by power-down or a write with PW1 access.
PON Triplexer and SFP Controller
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