XRT75L00D Datasheet, PDF (8/92 Pages) Exar Corporation – E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER

XRT75L00D
REV. 1.0.2
E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
FIGURE 58. ILLUSTRATION OF MINOR PATTERN P1..................................................................................................................... 80
FIGURE 59. ILLUSTRATION OF MINOR PATTERN P2..................................................................................................................... 81
FIGURE 60. ILLUSTRATION OF PROCEDURE WHICH IS USED TO SYNTHESIZE MAJOR PATTERN A .................................................. 81
FIGURE 61. ILLUSTRATION OF MINOR PATTERN P3..................................................................................................................... 82
FIGURE 62. ILLUSTRATION OF PROCEDURE WHICH IS USED TO SYNTHESIZE PATTERN B............................................................... 82
9.8.3 HOW DOES THE LIU PERMIT THE USER TO COMPLY WITH THE SONET APS RECOVERY TIME REQUIREMENTS
OF 50MS (PER TELCORDIA GR-253-CORE)? ............................................................................................................ 83
FIGURE 63. ILLUSTRATION OF THE SUPER PATTERN WHICH IS OUTPUT VIA THE "OC-N TO DS3" MAPPER IC ............................... 83
FIGURE 64. SIMPLE ILLUSTRATION OF THE LIU BEING USED IN A SONET DE-SYNCHRONIZER" APPLICATION .................................... 83
TABLE 20: MEASURED APS RECOVERY TIME AS A FUNCTION OF DS3 PPM OFFSET ......................................................................... 84
JITTER ATTENUATOR CONTROL REGISTER ....................................................................................................84
9.8.4 HOW SHOULD ONE CONFIGURE THE LIU, IF ONE NEEDS TO SUPPORT "DAISY-CHAIN" TESTING AT THE END
CUSTOMER’S SITE? ..................................................................................................................................................... 85
JITTER ATTENUATOR CONTROL REGISTER ....................................................................................................85
ORDERING INFORMATION..............................................................................................................................86
PACKAGE DIMENSIONS.................................................................................................86
REVISION HISTORY ..............................................................................................................................87
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