XRT75R12D_07 Datasheet, PDF (75/133 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET

XRT75R12D
REV. 1.0.3 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
SOURCE LEVEL INTERRUPT STATUS REGISTER - CHANNEL N ADDRESS LOCATION = 0XM2 (M = 0-5 & 8-D)
BIT NUMBER
NAME
1
Change of LOS
Condition Interrupt
Status
0
Change of DMO
Condition Interrupt
Status
TYPE
DESCRIPTION
RUR
Change of Receive LOS (Loss of Signal) Defect Condition Interrupt
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)
RUR
Change of Transmit DMO (Drive Monitor Output) Condition Interrupt
Status - Ch n:
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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