XRT75R03D datasheet(74/134 Pages) EXAR

74 / 134 page

XRT75R03D

REV. 1.0.2

THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER

Change of LOS

Condition Interrupt

Status

RUR

Change of Receive LOS (Loss of Signal) Defect Condi-

tion Interrupt Status:

This RESET-upon-READ bit-field indicates whether or not

the Change of the Receive LOS Defect Condition Interrupt

(for Channel 0) has occurred since the last read of this reg-

ister.

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

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.

Change of DMO

Condition Interrupt

Status

RUR

Change of Transmit DMO (Drive Monitor Output) Con-

dition Interrupt Status - Ch 0:

This RESET-upon-READ bit-field indicates whether or not

the Change of the Transmit DMO Condition Interrupt (for

Channel 0) has occurred since the last read of this register.

0 - Indicates that the Change of the Transmit DMO Condi-

tion Interrupt has NOT occurred since the last read of this

1 - Indicates that the Change of the Transmit DMO Condi-

tion Interrupt has occurred since the last read of this regis-

ter.

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.

BIT NUMBER

NAME

TYPE

DEFAULT

VALUE

DESCRIPTION

XRT75R03D Datasheet(PDF) 74 Page - Exar Corporation

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