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參數(shù)資料
| 型號： | TFRA08C13 |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| 中文描述： | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| 文件頁數(shù)： | 2/188頁 |
| 文件大小： | 3047K |
| 代理商： | TFRA08C13 |
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Table of Contents
Contents
Page
Preliminary Data Sheet
October 2000
TFRA08C13 OCTAL T1/E1 Framer
2
Lucent Technologies Inc.
Features ................................................................................................................................................................... 1
T1/E1 Framer Features......................................................................................................................................... 1
Facility Data Link Features....................................................................................................................................... 1
Microprocessor Interface.......................................................................................................................................... 1
Applications.............................................................................................................................................................. 1
Feature Descriptions .............................................................................................................................................. 10
T1/E1 Framer Feature Descriptions.................................................................................................................... 10
Functional Description............................................................................................................................................ 11
Pin Information ....................................................................................................................................................... 15
LIU-Framer Interface.............................................................................................................................................. 29
LIU-Framer Physical Interface............................................................................................................................. 29
Line Encoding...................................................................................................................................................... 31
DS1: Zero Code Suppression (ZCS)................................................................................................................... 31
CEPT: High-Density Bipolar of Order 3 (HDB3).................................................................................................. 33
Frame Formats....................................................................................................................................................... 34
T1 Framing Structures......................................................................................................................................... 34
T1 Loss of Frame Alignment (LFA)..................................................................................................................... 41
T1 Frame Recovery Alignment Algorithms.......................................................................................................... 42
T1 Robbed-Bit Signaling ..................................................................................................................................... 43
CEPT 2.048 Basic Frame, CRC-4 Time Slot 0, and Signaling Time Slot 16 Multiframe Structures................... 45
CEPT 2.048 Basic Frame Structure.................................................................................................................... 46
CEPT Loss of Basic Frame Alignment (LFA)...................................................................................................... 48
CEPT Loss of Frame Alignment Recovery Algorithm ......................................................................................... 48
CEPT Time Slot 0 CRC-4 Multiframe Structure.................................................................................................. 49
CEPT Loss of CRC-4 Multiframe Alignment (LTS0MFA).................................................................................... 50
CEPT Loss of CRC-4 Multiframe Alignment Recovery Algorithms..................................................................... 51
CEPT Time Slot 16 Multiframe Structure............................................................................................................ 55
CEPT Loss of Time Slot 16 Multiframe Alignment (LTS16MFA)......................................................................... 56
CEPT Loss of Time Slot 16 Multiframe Alignment Recovery Algorithm.............................................................. 56
CEPT Time Slot 0 FAS/NOT FAS Control Bits....................................................................................................... 56
FAS/NOT FAS Si- and E-Bit Source................................................................................................................... 56
NOT FAS A-Bit (CEPT Remote Frame Alarm) Sources ..................................................................................... 57
NOT FAS Sa-Bit Sources.................................................................................................................................... 57
Sa Facility Data Link Access............................................................................................................................... 58
NOT FAS Sa Stack Source and Destination....................................................................................................... 59
CEPT Time Slot 16 X0—X2 Control Bits............................................................................................................. 61
Signaling Access.................................................................................................................................................... 61
Transparent Signaling......................................................................................................................................... 61
DS1: Robbed-Bit Signaling.................................................................................................................................. 61
CEPT: Time Slot 16 Signaling............................................................................................................................. 62
Auxiliary Framer I/O Timing ................................................................................................................................... 63
Alarms and Performance Monitoring...................................................................................................................... 67
Interrupt Generation............................................................................................................................................ 67
Alarm Definition................................................................................................................................................... 67
Event Counters Definition ................................................................................................................................... 73
Loopback and Transmission Modes.................................................................................................................... 75
Line Test Patterns............................................................................................................................................... 78
Receive Line Pattern Monitor—Using Register FRM_SR7................................................................................. 80
Automatic and On-Demand Commands ............................................................................................................. 82
Facility Data Link.................................................................................................................................................... 84
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