PEF2256 INFINEON [Infineon Technologies AG], PEF2256 Datasheet - Page 6

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PEF2256

Manufacturer Part Number
PEF2256
Description
E1/T1/J1 Framer and Line Interface Component for Long- and Short-Haul Applications
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet

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Table of Contents
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.2.4.1
5.2.5
5.2.5.1
5.2.6
5.2.6.1
5.2.6.2
5.2.6.3
5.2.7
5.2.7.1
5.2.8
5.3
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
5.3.8
5.3.9
5.4
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.4.6
5.4.7
5.4.7.1
5.4.7.2
5.4.7.3
5.4.7.4
5.4.7.5
5.4.7.6
5.5
5.5.1
5.5.1.1
User’s Manual
Hardware Description
Framer Operating Modes (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Additional Receive Framer Functions (T1/J1) . . . . . . . . . . . . . . . . . . . . . 155
Transmit Path in T1/J1 Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
System Interface in T1/J1 Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Addition for F12 and F72 Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
In-Band Loop Generation and Detection . . . . . . . . . . . . . . . . . . . . . . . 158
Programmable Pulse Shaper and Line Build-Out (T1/J1) . . . . . . . . . . 165
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
General Aspects of Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . 143
4-Frame Multiframe (F4 Format, T1/J1) . . . . . . . . . . . . . . . . . . . . . . . 146
12-Frame Multiframe (D4 or SF Format, T1/J1) . . . . . . . . . . . . . . . . . 147
Extended Superframe (F24 or ESF Format, T1/J1) . . . . . . . . . . . . . . . 148
72-Frame Multiframe (SLC96 Format, T1/J1) . . . . . . . . . . . . . . . . . . . 151
Summary of Frame Conditions (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . 154
Error Performance Monitoring and Alarm Handling . . . . . . . . . . . . . . . 155
Auto Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Error Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Errored Second . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
One-Second Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Clear Channel Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Transparent Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Pulse-Density Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Transmitter (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Transmit Line Interface (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Transmit Jitter Attenuator (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Transmit Elastic Buffer (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Transmit Line Monitor (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Transmit Signaling Controller (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . 167
Receive System Interface (T1/J1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Synchronization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Synchronization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Synchronization Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Remote Alarm (yellow alarm) Generation/Detection . . . . . . . . . . . . 150
CRC6 Generation and Checking (T1/J1) . . . . . . . . . . . . . . . . . . . . . 150
Synchronization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
HDLC or LAPD access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Support of Signaling System #7 . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
CAS Bit-Robbing (T1/J1, serial mode) . . . . . . . . . . . . . . . . . . . . . . . 168
CAS Bit-Robbing (T1/J1, µP access mode) . . . . . . . . . . . . . . . . . . . 169
Data Link Access in ESF/F24 and F72 Format (T1/J1) . . . . . . . . . . 169
Periodical Performance Report in ESF Format (T1/J1) . . . . . . . . . . 169
Receive Offset Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
6
DS1.1, 2003-10-23
PEF 2256 H/E
FALC
Page
®
56

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