MIL-HDBK-415A
TABLE OF CONTENTS - continued
SECTION
PAGE
10.1.3
Methodology ................................................................................................................75
10.2
System planning and requirements development ........................................................77
10.41.1
System block diagram..................................................................................................77
10.2.2
System planning...........................................................................................................77
10.2.3
System architecture and network topology..................................................................79
10.2.4
System bandwidth and data rates.................................................................................83
10.2.5
Fiber counts and cable design ......................................................................................86
10.3
System performance.....................................................................................................87
10.3.1
System synchronization ...............................................................................................89
10.3.2
Line and path protection switching..............................................................................90
10.3.3
System performance monitoring..................................................................................92
10.3.4
Transient performance .................................................................................................92
10.3.5
Transmission delay ......................................................................................................92
10.3.6
Environmental specifications.......................................................................................92
CHAPTER 11 - LINK DESIGN
11.1
Introduction ..................................................................................................................95
11.2
Scope ............................................................................................................................95
11.3
General design objectives ............................................................................................95
11.4
Link design steps..........................................................................................................95
11.5
Optical line rate............................................................................................................96
11.6
Operating wavelength ..................................................................................................96
111.7
Optical fiber selection ..................................................................................................96
11.8
Optical transmitter selection ........................................................................................98
11.9
Optical receiver selection.............................................................................................98
11.10
Connectors, splices, and other passive devices..........................................................100
11.11
Power budget calculations .........................................................................................103
11.12
Power penalties ..........................................................................................................103
11.13
Rise time calculations ................................................................................................104
11.14
Dispersion limited path length calculations...............................................................105
11.15
Rise time versus bandwidth calculations ...................................................................105
11.16
Other design considerations.......................................................................................106
11.16.1
Link availability.........................................................................................................106
11.16.2
Jitter: ..........................................................................................................................106
11.16.3
Receiver dynamic range.............................................................................................106
11.16.4
Total distortion...........................................................................................................107
11.17
Long-haul link design example..................................................................................107
ix
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