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Siemens SRA 4 Manuals
Manuals and User Guides for Siemens SRA 4. We have
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Siemens SRA 4 manual available for free PDF download: User Manual
Siemens SRA 4 User Manual (50 pages)
6/7/8/10/11/13GHz(W B ODU), SDH SplitRadio
Brand:
Siemens
| Category:
Radio
| Size: 1.2 MB
Table of Contents
Status of Manual
3
Table of Contents
5
Index
6
Index
10
List of Illustrations
11
3 Installation
12
Connections
13
C0000 - Issue 3, July 2004
14
List of Tables
15
List of Spare Parts
17
1 Preliminary Information
19
Foreword
19
Obj Ect of the Present Manual
19
Contents of the User Manual (UMN)
19
Safety Rules and Use Precautions
20
Safety Rules
20
Optical Safety
20
Warnings for the Optical Safety
21
Electrical Safety
21
Dangerous Materials
22
External Operations
22
ESDS Precautions
23
List of Abbreviations and Acronyms
24
Alignment
25
Concepts and Characteristics in Sdh Technology
28
SDH Structure
28
Introduction
28
Objectives of the Synchronous Digital Hierarchy
29
Digital Structure of SDH Signals
30
STM-1 Frame Structure
30
Protection
31
Administrative Unit
33
System
35
STM-RR Frame Structure (Sub STM-1)
36
Administrative Unit
36
Tributary Units and Their Structure
36
Tributary Unit
38
Mapping
39
Loading a 140 Mbit/S Plesiochronous Signal in the VC-4
39
Loading a 34 Mbit/S Plesiochronous Signal in the VC-3
41
SDH Transmission Network
43
General Description
43
Multiplex Section and Regenerator Section
45
2 Planning
47
General Information
47
RF Channeling
48
Ghz Channelling
48
Ghz Channelling
49
System Types
50
Technology
50
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