PEF2256 INFINEON [Infineon Technologies AG], PEF2256 Datasheet - Page 4
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
1.PEF2256.pdf
(518 pages)
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Table of Contents
4.1.15.1
4.1.15.2
4.1.15.3
4.1.15.4
4.1.15.5
4.2
4.2.1
4.2.2
4.2.2.1
4.2.2.2
4.2.2.3
4.2.2.4
4.2.3
4.2.3.1
4.2.3.2
4.2.3.3
4.2.3.4
4.2.3.5
4.2.3.6
4.2.3.7
4.2.3.8
4.3
4.3.1
4.3.2
4.3.2.1
4.3.2.2
4.3.2.3
4.3.2.4
4.3.2.5
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
4.4.6
4.4.7
User’s Manual
Hardware Description
Framer Operating Modes (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Additional Receive Framer Functions (E1) . . . . . . . . . . . . . . . . . . . . . . . . 93
Transmit Path in E1 Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
In-Band Loop Generation and Detection . . . . . . . . . . . . . . . . . . . . . . . . 96
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Doubleframe Format (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
CRC-Multiframe (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Error Performance Monitoring and Alarm Handling . . . . . . . . . . . . . . . . 93
Auto Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Error Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Errored Second . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
One-Second Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Time Slot 0 Transparent Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Transmitter (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Transmit Line Interface (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Transmit Jitter Attenuator (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Transmit Elastic Buffer (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Programmable Pulse Shaper (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Transmit Line Monitor (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Transmit Signaling Controller (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
HDLC or LAPD Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Support of Signaling System #7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Sa-Bit Access (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Channel Associated Signaling CAS (E1, serial mode) . . . . . . . . . . . 80
Channel Associated Signaling CAS (E1, µP access mode) . . . . . . . 81
Transmit Transparent Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Synchronization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
A-Bit Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Sa-Bit Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Synchronization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Automatic Force Resynchronization (E1) . . . . . . . . . . . . . . . . . . . . . 88
Floating Multiframe Alignment Window (E1) . . . . . . . . . . . . . . . . . . . 88
CRC4 Performance Monitoring (E1) . . . . . . . . . . . . . . . . . . . . . . . . . 88
Modified CRC4 Multiframe Alignment Algorithm (E1) . . . . . . . . . . . . 88
A-Bit Access (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Sa-Bit Access (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
E-Bit Access (E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Automatic Remote Alarm Access . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Automatic E-bit Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Automatic AIS to System Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Automatic Clock Source Switching . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Automatic Freeze Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
4
DS1.1, 2003-10-23
PEF 2256 H/E
FALC
Page
®
56
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