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XRT86L30 Datasheet(PDF) 6 Page - Exar Corporation

Part # XRT86L30
Description  SINGLE T1/E1/J1 FRAMER/LIU COMBO
Download  284 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT86L30 Datasheet(HTML) 6 Page - Exar Corporation

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XRT86L30
III
SINGLE T1/E1/J1 FRAMER/LIU COMBO
REV. 1.0.1
XRT84V24 COMPATIBLE 2.048MBIT/S MODE .......................................................................................................... 194
10.2 TRANSMIT/RECEIVE HIGH-SPEED BACK-PLANE INTERFACE ............................................................... 197
10.2.1 NON-MULTIPLEXED HIGH-SPEED MODE ............................................................................................................. 197
10.2.2 MULTIPLEXED HIGH-SPEED MODE ...................................................................................................................... 200
10.3 BRIEF DISCUSSION OF COMMON CHANNEL SIGNALING IN E1 FRAMING FORMAT .......................... 206
10.4 BRIEF DISCUSSION OF CHANNEL ASSOCIATED SIGNALING IN E1 FRAMING FORMAT ................... 206
10.5 INSERT/EXTRACT SIGNALING BITS FROM TSCR REGISTER ................................................................. 206
10.6 INSERT/EXTRACT SIGNALING BITS FROM TXCHN[0]_N/TXSIG PIN ...................................................... 206
10.7 ENABLE CHANNEL ASSOCIATED SIGNALING AND SIGNALING DATA SOURCE CONTROL ............. 207
11.0 THE DS1 TRANSMIT/RECEIVE FRAMER ........................................................................................208
11.1 DESCRIPTION OF THE TRANSMIT/RECEIVE PAYLOAD DATA INPUT INTERFACE BLOCK ................ 208
11.1.1 BRIEF DISCUSSION OF THE TRANSMIT/RECEIVE PAYLOAD DATA INPUT INTERFACE BLOCK OPERATING AT
1.544MBIT/S MODE ..................................................................................................................................................... 208
11.2 TRANSMIT/RECEIVE HIGH-SPEED BACK-PLANE INTERFACE ............................................................... 211
11.2.1 T1 TRANSMIT/RECEIVE INTERFACE - MVIP 2.048 MHZ ...................................................................................... 211
11.2.2 NON-MULTIPLEXED HIGH-SPEED MODE ............................................................................................................. 212
11.2.3 MULTIPLEXED HIGH-SPEED MODE ...................................................................................................................... 214
11.3 BRIEF DISCUSSION OF ROBBED-BIT SIGNALING IN DS1 FRAMING FORMAT .................................... 220
11.3.1 CONFIGURE THE FRAMER TO TRANSMIT ROBBED-BIT SIGNALING ............................................................... 220
11.3.2 INSERT SIGNALING BITS FROM TSCR REGISTER .............................................................................................. 221
11.3.3 INSERT SIGNALING BITS FROM TXSIG_N PIN ..................................................................................................... 221
12.0 ALARMS AND ERROR CONDITIONS ..............................................................................................223
12.1 AIS ALARM .................................................................................................................................................... 223
12.2 RED ALARM .................................................................................................................................................. 225
12.3 YELLOW ALARM .......................................................................................................................................... 226
12.4 BIPOLAR VIOLATION ................................................................................................................................... 228
12.5 E1 BRIEF DISCUSSION OF ALARMS AND ERROR CONDITIONS ........................................................... 231
12.5.1 HOW TO CONFIGURE THE FRAMER TO TRANSMIT AIS .................................................................................... 236
12.5.2 HOW TO CONFIGURE THE FRAMER TO GENERATE RED ALARM ................................................................... 237
12.5.3 HOW TO CONFIGURE THE FRAMER TO TRANSMIT YELLOW ALARM ............................................................. 237
12.5.4 TRANSMIT YELLOW ALARM .................................................................................................................................. 238
12.5.5 TRANSMIT CAS MULTI-FRAME YELLOW ALARM ............................................................................................... 238
12.6 T1 BRIEF DISCUSSION OF ALARMS AND ERROR CONDITIONS ............................................................ 239
12.6.1 HOW TO CONFIGURE THE FRAMER TO TRANSMIT AIS .................................................................................... 242
12.6.2 HOW TO CONFIGURE THE FRAMER TO GENERATE RED ALARM ................................................................... 243
12.6.3 HOW TO CONFIGURE THE FRAMER TO TRANSMIT YELLOW ALARM ............................................................. 243
12.6.4 TRANSMIT YELLOW ALARM IN SF MODE ............................................................................................................ 244
12.6.5 TRANSMIT YELLOW ALARM IN ESF MODE .......................................................................................................... 244
12.6.6 TRANSMIT YELLOW ALARM IN N MODE .............................................................................................................. 244
12.6.7 TRANSMIT YELLOW ALARM IN T1DM MODE ....................................................................................................... 244
13.0 PERFORMANCE MONITORING (PMON) .........................................................................................247
13.1 RECEIVE LINE CODE VIOLATION COUNTER (16-BIT) .............................................................................. 247
13.2 16-BIT RECEIVE FRAME ALIGNMENT ERROR COUNTER (16-BIT) ......................................................... 247
13.3 RECEIVE SEVERELY ERRORED FRAME COUNTER (8-BIT) .................................................................... 247
13.4 RECEIVE CRC-6/4 BLOCK ERROR COUNTER (16-BIT) ............................................................................ 247
13.5 RECEIVE FAR-END BLOCK ERROR COUNTER (16-BIT) .......................................................................... 247
13.6 RECEIVE SLIP COUNTER (8-BIT) ................................................................................................................ 247
13.7 RECEIVE LOSS OF FRAME COUNTER (8-BIT) .......................................................................................... 247
13.8 RECEIVE CHANGE OF FRAME ALIGNMENT COUNTER (8-BIT) .............................................................. 247
13.9 FRAME CHECK SEQUENCE ERROR COUNTERS 1, 2, AND 3 (8-BIT EACH) ......................................... 247
13.10 PRBS ERROR COUNTER (16-BIT) ............................................................................................................. 247
13.11 TRANSMIT SLIP COUNTER (8-BIT) ........................................................................................................... 247
13.12 EXCESSIVE ZERO VIOLATION COUNTER (16-BIT) ................................................................................. 248
14.0 APPENDIX A: DS-1/E1 FRAMING FORMATS ..................................................................................249
14.1 THE E1 FRAMING STRUCTURE .................................................................................................................. 249
14.1.1 FAS FRAME .............................................................................................................................................................. 249
14.1.2 NON-FAS FRAME ..................................................................................................................................................... 250
14.2 THE E1 MULTI-FRAME STRUCTURE .......................................................................................................... 251
14.2.1 THE CRC MULTI-FRAME STRUCTURE .................................................................................................................. 251
14.2.2 CAS MULTI-FRAMES AND CHANNEL ASSOCIATED SIGNALING ...................................................................... 253
14.3 THE DS1 FRAMING STRUCTURE ................................................................................................................ 255
14.4 T1 SUPER FRAME FORMAT (SF) ................................................................................................................ 256


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