XRT75R03D Datasheet, PDF (8/134 Pages) Exar Corporation – THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER

XRT75R03D
REV. 1.0.2 THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
CHANNEL 1 ADDRESS LOCATION = 0X0F ............................ 121
CHANNEL 2 ADDRESS LOCATION = 0X17 ............................ 121
Figure 59. Illustration of MINOR PATTERN P1 ............................................................................................ 122
Figure 60. Illustration of MINOR PATTERN P2 ............................................................................................ 123
Figure 61. Illustration of Procedure which is used to Synthesize MAJOR PATTERN A ............................... 123
Figure 62. Illustration of MINOR PATTERN P3 ............................................................................................ 124
Figure 63. Illustration of Procedure which is used to Synthesize PATTERN B ............................................ 124
10.8.3 How does the XRT75R03D permit the user to comply with the SONET APS Recovery Time re-
quirements of 50ms (per Telcordia GR-253-CORE)? ................................................................................................... 125
Figure 64. Illustration of the SUPER PATTERN which is output via the "OC-N to DS3" Mapper IC ............ 125
Figure 65. Simple Illustration of the XRT75R03D being used in a SONET De-Synchronizer" Application ... 125
TABLE 33: MEASURED APS RECOVERY TIME AS A FUNCTION OF DS3 PPM OFFSET .......................................... 126
10.8.4 How should one configure the XRT75R03D, if one needs to support "Daisy-Chain" Testing at the
end Customer’s site? ..................................................................................................................................................... 127
JITTER ATTENUATOR CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X07 ................................. 127
CHANNEL 1 ADDRESS LOCATION = 0X0F ............................ 127
CHANNEL 2 ADDRESS LOCATION = 0X17 ............................ 127
JITTER ATTENUATOR CONTROL REGISTER - CHANNEL 0 ADDRESS LOCATION = 0X07 ................................. 127
CHANNEL 1 ADDRESS LOCATION = 0X0F ................................... 127
CHANNEL 2 ADDRESS LOCATION = 0X17 ................................... 127
ORDERING INFORMATION ............................................................................................................... 128
PACKAGE DIMENSIONS - 14X20 MM, 128 PIN PACKAGE .............................................................................. 128
REVISIONS ............................................................................................................................................... 129
V