XRT75R12D_06 Datasheet, PDF (75/134 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET

XRT75R12D
REV. 1.0.1 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
Source Level Interrupt Status Register - Channel n Address Location = 0xm2
BIT NUMBER
NAME
TYPE
DESCRIPTION
1
Change of LOS RUR Change of Receive LOS (Loss of Signal) Defect Condition Interrupt
Condition Interrupt
Status:
Status
This RESET-upon-READ bit-field indicates whether or not the Change of
the Receive LOS Defect Condition Interrupt (for Channel n) has occurred
since the last read of this register.
0 - Indicates that the Change of the Receive LOS Defect Condition Interrupt
has NOT occurred since the last read of this register.
1 - Indicates that the Change of the Receive LOS Defect Condition Interrupt
has occurred since the last read of this register.
NOTE: The user can determine the current state of the Receive LOS Defect
condition by reading out the contents of Bit 1 (Receive LOS Defect
Declared) within the Alarm Status Register.(n)
0
Change of DMO RUR Change of Transmit DMO (Drive Monitor Output) Condition Interrupt
Condition Interrupt
Status - Ch n:
Status
This RESET-upon-READ bit-field indicates whether or not the Change of
the Transmit DMO Condition Interrupt (for Channel n) has occurred since
the last read of this register.
0 - Indicates that the Change of the Transmit DMO Condition Interrupt has
NOT occurred since the last read of this register.
1 - Indicates that the Change of the Transmit DMO Condition Interrupt has
occurred since the last read of this register.
NOTE: The user can determine the current state of the Transmit DMO
Condition by reading out the contents of Bit 0 (Transmit DMO
Condition) within the Alarm Status Register.(n)
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