Data Sheet
June 2002
TMXF28155 Supermapper
155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
22 Cross Connect (XC) Block Functional Description
Table of Contents
Contents
Page
22 Cross Connect (XC) Block Functional Description ..........................................................................................549
22.1 Cross Connect Introduction......................................................................................................................551
22.2 Cross Connect Features ..........................................................................................................................551
22.3 Cross Connect Block Diagram .................................................................................................................552
22.3.1 Framer to Cross Connect Overview .............................................................................................. 553
22.3.2 External I/O to Cross Connect Overview ...................................................................................... 554
22.4 Cross Connect Connectivity Overview.....................................................................................................555
22.5 DS1/E1 Cross Connect ............................................................................................................................556
22.5.1 DS1/E1 Connectivity Matrix .......................................................................................................... 557
22.5.2 DS1/E1 Register Definition ........................................................................................................... 557
22.6 Notes on the DS1 Cross Connect ............................................................................................................559
22.6.1 DS1/E1 TPG ................................................................................................................................. 559
22.6.2 M13 DS1/E1 Interface ................................................................................................................... 559
22.6.3 VT Mapper DS1/E1 Interface ........................................................................................................ 560
22.6.4 Digital Jitter Attenuator (DJA) Interface ........................................................................................ 560
22.6.5 Framer Interface ........................................................................................................................... 561
22.6.6 Framer System Interface .............................................................................................................. 562
22.6.7 Framer System Interface—PSB .................................................................................................... 562
22.6.8 Framer System Interface—CHI ..................................................................................................... 562
22.6.9 Framer System Interface—NSMI .................................................................................................. 564
22.7 DS2 Connectivity......................................................................................................................................564
22.7.1 M13 DS2 Interface (DS2 Cross Connect) ..................................................................................... 565
22.7.2 M12 MUX (Transmit Path) ............................................................................................................ 565
22.7.3 M12 DeMUX (Receive Path) ......................................................................................................... 567
22.7.4 M23 DeMUX (Receive Path) ......................................................................................................... 568
22.7.5 M23 MUX (Transmit Path) ............................................................................................................ 569
22.8 DS3 Connectivity......................................................................................................................................571
22.8.1 DS3 TPG/TPM Cross Connect ..................................................................................................... 572
22.8.2 DS3 Basic Cross Connect ............................................................................................................ 573
22.8.3 NSMI Cross Connect .................................................................................................................... 574
22.9 Transmit and Receive Path Overhead Access Channel I/O Configuration..............................................575
Figures
Page
Figure 82. Cross Connect Block Diagram .............................................................................................................552
Figure 83. Framer and Cross Connect..................................................................................................................553
Figure 84. DS1 Cross Connect Interface...............................................................................................................556
Figure 85. DS1E1 External I/O to M13..................................................................................................................560
Figure 86. Framer Line Interface Cross Connect ..................................................................................................561
Figure 87. Framer System Interface—Parallel System Bus (PSB) .......................................................................562
Figure 88. Framer System Interface—Concentration Highway Interface (CHI) ....................................................563
Figure 89. DS2 Cross Connect Interface...............................................................................................................564
Figure 90. M12 MUX DS2 Output Cross Connect.................................................................................................566
Figure 91. M12 DeMUX Input DS2 Cross Connect...............................................................................................568
Figure 92. M23 DeMUX DS2 Output Cross Connect ............................................................................................569
Figure 93. M23 MUX DS2 Input Cross Connect....................................................................................................570
Figure 94. DS3 Cross Connect..............................................................................................................................571
Figure 95. DS3 Test-Pattern Cross Connect.........................................................................................................572
Figure 96. DS3 Basic Cross Connect....................................................................................................................573
Figure 97. NSMI Interface Cross Connect.............................................................................................................575
Figure 98. TPOAC and RPOAC Cross Connect ...................................................................................................576
Agere Systems Inc.
549
ETC [ ETC ]
