IEEE 487 2007
$72.04
IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations
Published By | Publication Date | Number of Pages |
IEEE | 2007 | 134 |
Revision Standard – Active. Workable methods for protecting wire-line communication circuits entering electric supply locations are presented. This document covers: the electric supply location environment; protection apparatus; service types, reliability, service performance objective classifications, and transmission considerations; protection theory and philosophy; protection configurations; installation and inspection; and safety. Remarks: Revision of IEEE Std 487-2000
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations |
3 | Title page |
6 | Introduction Notice to users Errata Interpretations |
7 | Patents Participants |
9 | CONTENTS |
11 | 1. Overview 1.1 Scope |
12 | 1.2 Purpose 2. Normative references |
13 | 3. Definitions, acronyms, and abbreviations 3.1 Definitions |
15 | 3.2 Acronyms and abbreviations |
16 | 4. High-voltage environment |
17 | 4.1 Coupling |
18 | 4.2 Disturbances 4.2.1 Ground potential rise |
27 | 4.2.2 Longitudinal induction 4.2.3 Lightning |
33 | 4.2.4 Switching surges 4.2.5 Other disturbances 5. Protection apparatus |
36 | 6. Service types, reliability, service performance objective (SPO) classifications, and transmission considerations 6.1 Service types |
37 | 6.2 Service performance objective classifications 6.2.1 Class A service performance objective considerations 6.2.2 Class B service performance considerations |
38 | 6.2.3 Class C service performance considerations 6.3 Transmission considerations |
39 | 7. Protection theory and philosophy 7.1 Special wire-line protection design requirements |
40 | 7.2 Dedicated cable |
42 | 7.3 Concepts and concerns 7.4 General-use telecommunication cable in the electric supply location GPR zone of influence |
43 | 8. Protection configurations 8.1 Ground potential rise plus induced voltage levels 8.1.1 Voltage level quantification 8.1.2 Voltage Level I |
44 | 8.1.3 Voltage Level II 8.1.4 Voltage Level III |
45 | 8.2 Basic protection system |
46 | 8.3 Protection configurations employing isolation devices 8.3.1 Basic isolation protection configuration |
47 | 8.3.2 Protection at the electric supply location 8.3.3 Protection at the central office or non-electric supply location remote location |
48 | 8.4 General isolation protection configuration |
49 | 8.4.1 Dedicated cable 8.4.2 Remote drainage 8.4.3 Local terminal 8.4.4 Composite protection system |
50 | 8.5 Protection configurations employing neutralizing transformers |
52 | 8.6 Protection configuration employing neutralizing in parallel with isolation on separate pairs |
53 | 8.7 Protection configuration employing neutralizing in tandem with isolation |
54 | 8.8 Protection configuration employing modular high dielectric and optic isolators |
55 | 8.9 Protection practices for electric supply locations services |
58 | 8.9.1 Description of protection table and protection schematic chart 8.9.2 Protection table for electric supply location services (Table 1) 8.9.3 Simplified protection schematic chart (Figure 22) |
59 | 8.9.4 Use of protection table and schematic chart (Table 1 and Figure 22) 8.9.5 Treatment of idle, and unassignable or spare pairs and/or equipment |
60 | 9. Installation and inspection considerations 9.1 Installation considerations related to neutralizing transformers |
61 | 9.2 Periodic inspection |
63 | 10. Safety 10.1 General safety considerations 10.2 Safety considerations in equipment design |
64 | 10.3 Safety considerations related to installation and maintenance |
65 | 11. Summary |
66 | Annex A (informative) Characteristics of protection apparatus |
109 | Annex B (informative) Comparison of carbon blocks, gas tubes, and solid-state protectors |
112 | Annex C (informative) Protection of isolating, drainage, and neutralizing transformers and other apparatus by surge arresters |
116 | Annex D (informative) Transmission characteristics and SPO requirements for various communication channels |
118 | Annex E (informative) DC offset waveform development |
125 | Annex F (informative) High dielectric fiber-optic isolation systems |
127 | Annex G (informative) Theoretical verses actual field experience GPR and related ZOI profiles |
131 | Annex H (informative) Bibliography |