PEB2256HT datasheet(5/490 Pages) INFINEON

Part #	PEB2256HT

Description	E1/T1/J1 Framer and Line Interface Component for Long and Short Haul Applications

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Manufacturer	INFINEON [Infineon Technologies AG]

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5 / 490 page

FALC56 V1.2

PEB 2256

Table of Contents

Page

Data Sheet

5

2002-08-27

4.6.1

Pseudo-Random Binary Sequence Generation and Monitor . . . . . . . . 114

4.6.2

Remote Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

4.6.3

Payload Loop-Back . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

4.6.4

Local Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

4.6.5

Single Channel Loop-Back . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

4.6.6

Alarm Simulation (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

4.6.7

Single Bit Defect Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

5

Functional Description T1/J1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

5.1

Receive Path in T1/J1 Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

5.1.1

Receive Line Interface (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

5.1.2

Receive Short and Long-Haul Interface (T1/J1) . . . . . . . . . . . . . . . . . 119

5.1.3

Receive Equalization Network (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . 120

5.1.4

Receive Line Attenuation Indication (T1/J1) . . . . . . . . . . . . . . . . . . . . 120

5.1.5

Receive Clock and Data Recovery (T1/J1) . . . . . . . . . . . . . . . . . . . . . 120

5.1.6

Receive Line Coding (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

5.1.7

Receive Line Monitoring Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

5.1.8

Loss-of-Signal Detection (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

5.1.9

Receive Jitter Attenuator (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

5.1.10

Jitter Tolerance (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

5.1.11

Output Jitter (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

5.1.12

Framer/Synchronizer (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

5.1.13

Receive Elastic Buffer (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

5.1.14

Receive Signaling Controller (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . 134

5.1.14.1

HDLC or LAPD access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

5.1.14.2

Support of Signaling System #7 . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

5.1.14.3

CAS Bit-Robbing (T1/J1, serial mode) . . . . . . . . . . . . . . . . . . . . . . . 137

5.1.14.4

CAS Bit-Robbing (T1/J1, µP access mode) . . . . . . . . . . . . . . . . . . . 137

5.1.14.5

Bit Oriented Messages in ESF-DL Channel (T1/J1) . . . . . . . . . . . . 137

5.1.14.6

4 kbit/s Data Link Access in F72 Format (T1/J1) . . . . . . . . . . . . . . . 138

5.2

Framer Operating Modes (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

5.2.1

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

5.2.2

General Aspects of Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . 139

5.2.3

Addition for F12 and F72 Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

5.2.4

4-Frame Multiframe (F4 Format, T1/J1) . . . . . . . . . . . . . . . . . . . . . . . 142

5.2.4.1

Synchronization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

5.2.5

12-Frame Multiframe (D4 or SF Format, T1/J1) . . . . . . . . . . . . . . . . . 143

5.2.5.1

Synchronization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

5.2.6

Extended Superframe (F24 or ESF Format, T1/J1) . . . . . . . . . . . . . . . 144

5.2.6.1

Synchronization Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

5.2.6.2

Remote Alarm (yellow alarm) Generation/Detection . . . . . . . . . . . . 146

5.2.6.3

CRC6 Generation and Checking (T1/J1) . . . . . . . . . . . . . . . . . . . . . 146

5.2.7

72-Frame Multiframe (SLC96 Format, T1/J1) . . . . . . . . . . . . . . . . . . . 146

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