Haul Transceiver. 82P2281 Datasheet

82P2281 Transceiver. Datasheet pdf. Equivalent

82P2281 Datasheet
Recommendation 82P2281 Datasheet
Part 82P2281
Description Short Haul Transceiver
Feature 82P2281; Single T1/E1/J1 Long Haul / Short Haul Transceiver 82P2281 Version 12 September 30, 2019 6024 Silver.
Manufacture Renesas
Datasheet
Download 82P2281 Datasheet




Renesas 82P2281
Single T1/E1/J1 Long Haul /
Short Haul Transceiver
82P2281
Version 12
September 30, 2019
6024 Silver Creek Valley Road, San Jose, CA 95138
Telephone: (800) 345-7015 • TWX: 910-338-2070 • FAX: (408) 284-2775
Printed in U.S.A.
© 2019 Integrated Device Technology, Inc.



Renesas 82P2281
DISCLAIMER
Integrated Device Technology, Inc. reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply the best pos-
sible product. IDT does not assume any responsibility for use of any circuitry described other than the circuitry embodied in an IDT product. The Company makes no representations that circuitry
described herein is free from patent infringement or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent, patent rights or other
rights, of Integrated Device Technology, Inc.
LIFE SUPPORT POLICY
Integrated Device Technology's products are not authorized for use as critical components in life support devices or systems unless a specific written agreement pertaining to such intended use is exe-
cuted between the manufacturer and an officer of IDT.
1. Life support devices or systems are devices or systems which (a) are intended for surgical implant into the body or (b) support or sustain life and whose failure to perform, when properly used in
accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user.
2. A critical component is any components of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its
safety or effectiveness.



Renesas 82P2281
Table of Contents
FEATURES ............................................................................................................................................................................ 12
APPLICATIONS..................................................................................................................................................................... 12
BLOCK DIAGRAM ................................................................................................................................................................ 13
1 PIN ASSIGNMENT ........................................................................................................................................................... 14
2 PIN DESCRIPTION .......................................................................................................................................................... 15
3 FUNCTIONAL DESCRIPTION ......................................................................................................................................... 21
3.1 T1 / E1 / J1 MODE SELECTION ................................................................................................................................................................... 23
3.2 RECEIVER IMPEDANCE MATCHING .......................................................................................................................................................... 24
3.2.1 Line Monitor .................................................................................................................................................................................... 24
3.3 ADAPTIVE EQUALIZER ............................................................................................................................................................................... 27
3.4 DATA SLICER ............................................................................................................................................................................................... 27
3.5 CLOCK AND DATA RECOVERY ................................................................................................................................................................. 27
3.6 RECEIVE JITTER ATTENUATOR ................................................................................................................................................................ 28
3.7 DECODER ..................................................................................................................................................................................................... 29
3.7.1 Line Code Rule ............................................................................................................................................................................... 29
3.7.1.1 T1 / J1 Mode .................................................................................................................................................................... 29
3.7.1.2 E1 Mode ........................................................................................................................................................................... 29
3.7.2 Decode Error Detection ................................................................................................................................................................. 29
3.7.2.1 T1 / J1 Mode .................................................................................................................................................................... 29
3.7.2.2 E1 Mode ........................................................................................................................................................................... 29
3.7.3 LOS Detection ................................................................................................................................................................................ 30
3.8 FRAME PROCESSOR .................................................................................................................................................................................. 33
3.8.1 T1/J1 Mode ...................................................................................................................................................................................... 33
3.8.1.1 Synchronization Searching ............................................................................................................................................... 33
3.8.1.1.1 Super Frame (SF) Format ............................................................................................................................. 33
3.8.1.1.2 Extended Super Frame (ESF) Format ........................................................................................................... 34
3.8.1.1.3 T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................ 35
3.8.1.1.4 Switch Line Carrier - 96 (SLC-96) Format (T1 only) ...................................................................................... 36
3.8.1.2 Error Event And Out Of Synchronization Detection .......................................................................................................... 37
3.8.1.2.1 Super Frame (SF) Format ............................................................................................................................. 37
3.8.1.2.2 Extended Super Frame (ESF) Format ........................................................................................................... 37
3.8.1.2.3 T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................ 37
3.8.1.2.4 Switch Line Carrier - 96 (SLC-96) Format (T1 only) ...................................................................................... 37
3.8.1.3 Overhead Extraction (T1 Mode SLC-96 Format Only) ..................................................................................................... 38
3.8.1.4 Interrupt Summary ............................................................................................................................................................ 38
3.8.2 E1 Mode .......................................................................................................................................................................................... 40
3.8.2.1 Synchronization Searching ............................................................................................................................................... 42
3.8.2.1.1 Basic Frame .................................................................................................................................................. 42
3.8.2.1.2 CRC Multi-Frame ........................................................................................................................................... 43
3.8.2.1.3 CAS Signaling Multi-Frame ........................................................................................................................... 44
3.8.2.2 Error Event And Out Of Synchronization Detection .......................................................................................................... 44
3.8.2.2.1 Out Of Basic Frame Synchronization ............................................................................................................ 45
3.8.2.2.2 Out Of CRC Multi-Frame Synchronization .................................................................................................... 45
3.8.2.2.3 Out Of CAS Signaling Multi-Frame Synchronization ..................................................................................... 45
3.8.2.3 Overhead Extraction ......................................................................................................................................................... 45
3.8.2.3.1 International Bit Extraction ............................................................................................................................. 45
3.8.2.3.2 Remote Alarm Indication Bit Extraction ......................................................................................................... 45
Table of Contents
3 September 30, 2019







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