
Data Sheet
January 1999
T7698 Quad T1/E1 Line Interface and Octal T1/E1 Monitor
3
Lucent Technologies Inc.
Table of Contents
(continued)
Contents
Page
Line Interface Units: Quad Line Interface Unit Registers .......................................................................................43
Alarm Registers (0000, 0001) ...........................................................................................................................43
Alarm Mask Registers (0010, 0011) .................................................................................................................44
Global Control Registers (0100, 0101) ..............................................................................................................44
Channel Configuration and Control Registers (0110—1001, 1011, 1100) ........................................................45
Global Index Register (1101) ............................................................................................................................47
Frame Monitors ......................................................................................................................................................48
Frame Formats ..................................................................................................................................................51
Alarms and Performance Monitoring .................................................................................................................66
Frame Monitor Register Structure .....................................................................................................................73
Frame Monitor Parameter/Control Registers .....................................................................................................74
Frame Monitor Status/Counter Registers ..........................................................................................................80
Facility Data Links ..................................................................................................................................................90
FDL Features ....................................................................................................................................................91
Facility Data Link Parameter/Status Registers ..................................................................................................95
XCLK Reference Clock ..........................................................................................................................................98
16x XCLK Reference Clock ...............................................................................................................................98
Primary Line Rate XCLK Reference Clock and Internal Reference Clock Synthesizer ....................................99
Power Supply Bypassing .......................................................................................................................................99
Line Circuitry ........................................................................................................................................................100
Absolute Maximum Ratings .................................................................................................................................101
Handling Precautions ...........................................................................................................................................101
Operating Conditions ...........................................................................................................................................101
Power Requirements ............................................................................................................................................102
Electrical Characteristics ......................................................................................................................................102
Timing Characteristics ..........................................................................................................................................103
Microprocessor Interface Timing .....................................................................................................................103
Data Interface Timing ......................................................................................................................................109
Outline Diagram ...................................................................................................................................................110
100-Pin BQFP .................................................................................................................................................110
Ordering Information ............................................................................................................................................111
DS98-297T1E1 Replaces DS98-228TIC to Incorporate the Following Updates ..................................................111