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XRT86L30 Datasheet(PDF) 6 Page - Exar Corporation |
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XRT86L30 Datasheet(HTML) 6 Page - Exar Corporation |
6 / 284 page 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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