{"id":81371,"date":"2024-10-17T18:54:04","date_gmt":"2024-10-17T18:54:04","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-487-2007\/"},"modified":"2024-10-24T19:46:33","modified_gmt":"2024-10-24T19:46:33","slug":"ieee-487-2007","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-487-2007\/","title":{"rendered":"IEEE 487 2007"},"content":{"rendered":"
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<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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1<\/td>\n | IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations <\/td>\n<\/tr>\n | ||||||
3<\/td>\n | Title page <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Introduction Notice to users Errata Interpretations <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Patents Participants <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 1. Overview 1.1 Scope <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 1.2 Purpose 2. Normative references <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 3. Definitions, acronyms, and abbreviations 3.1 Definitions <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 3.2 Acronyms and abbreviations <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 4. High-voltage environment <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 4.1 Coupling <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 4.2 Disturbances 4.2.1 Ground potential rise <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | 4.2.2 Longitudinal induction 4.2.3 Lightning <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | 4.2.4 Switching surges 4.2.5 Other disturbances 5. Protection apparatus <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | 6. Service types, reliability, service performance objective (SPO) classifications, and transmission considerations 6.1 Service types <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | 6.2 Service performance objective classifications 6.2.1 Class A service performance objective considerations 6.2.2 Class B service performance considerations <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | 6.2.3 Class C service performance considerations 6.3 Transmission considerations <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | 7. Protection theory and philosophy 7.1 Special wire-line protection design requirements <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | 7.2 Dedicated cable <\/td>\n<\/tr>\n | ||||||
42<\/td>\n | 7.3 Concepts and concerns 7.4 General-use telecommunication cable in the electric supply location GPR zone of influence <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | 8. Protection configurations 8.1 Ground potential rise plus induced voltage levels 8.1.1 Voltage level quantification 8.1.2 Voltage Level I <\/td>\n<\/tr>\n | ||||||
44<\/td>\n | 8.1.3 Voltage Level II 8.1.4 Voltage Level III <\/td>\n<\/tr>\n | ||||||
45<\/td>\n | 8.2 Basic protection system <\/td>\n<\/tr>\n | ||||||
46<\/td>\n | 8.3 Protection configurations employing isolation devices 8.3.1 Basic isolation protection configuration <\/td>\n<\/tr>\n | ||||||
47<\/td>\n | 8.3.2 Protection at the electric supply location 8.3.3 Protection at the central office or non-electric supply location remote location <\/td>\n<\/tr>\n | ||||||
48<\/td>\n | 8.4 General isolation protection configuration <\/td>\n<\/tr>\n | ||||||
49<\/td>\n | 8.4.1 Dedicated cable 8.4.2 Remote drainage 8.4.3 Local terminal 8.4.4 Composite protection system <\/td>\n<\/tr>\n | ||||||
50<\/td>\n | 8.5 Protection configurations employing neutralizing transformers <\/td>\n<\/tr>\n | ||||||
52<\/td>\n | 8.6 Protection configuration employing neutralizing in parallel with isolation on separate pairs <\/td>\n<\/tr>\n | ||||||
53<\/td>\n | 8.7 Protection configuration employing neutralizing in tandem with isolation <\/td>\n<\/tr>\n | ||||||
54<\/td>\n | 8.8 Protection configuration employing modular high dielectric and optic isolators <\/td>\n<\/tr>\n | ||||||
55<\/td>\n | 8.9 Protection practices for electric supply locations services <\/td>\n<\/tr>\n | ||||||
58<\/td>\n | 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) <\/td>\n<\/tr>\n | ||||||
59<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
60<\/td>\n | 9. Installation and inspection considerations 9.1 Installation considerations related to neutralizing transformers <\/td>\n<\/tr>\n | ||||||
61<\/td>\n | 9.2 Periodic inspection <\/td>\n<\/tr>\n | ||||||
63<\/td>\n | 10. Safety 10.1 General safety considerations 10.2 Safety considerations in equipment design <\/td>\n<\/tr>\n | ||||||
64<\/td>\n | 10.3 Safety considerations related to installation and maintenance <\/td>\n<\/tr>\n | ||||||
65<\/td>\n | 11. Summary <\/td>\n<\/tr>\n | ||||||
66<\/td>\n | Annex A (informative) Characteristics of protection apparatus <\/td>\n<\/tr>\n | ||||||
109<\/td>\n | Annex B (informative) Comparison of carbon blocks, gas tubes, and solid-state protectors <\/td>\n<\/tr>\n | ||||||
112<\/td>\n | Annex C (informative) Protection of isolating, drainage, and neutralizing transformers and other apparatus by surge arresters <\/td>\n<\/tr>\n | ||||||
116<\/td>\n | Annex D (informative) Transmission characteristics and SPO requirements for various communication channels <\/td>\n<\/tr>\n | ||||||
118<\/td>\n | Annex E (informative) DC offset waveform development <\/td>\n<\/tr>\n | ||||||
125<\/td>\n | Annex F (informative) High dielectric fiber-optic isolation systems <\/td>\n<\/tr>\n | ||||||
127<\/td>\n | Annex G (informative) Theoretical verses actual field experience GPR and related ZOI profiles <\/td>\n<\/tr>\n | ||||||
131<\/td>\n | Annex H (informative) Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations<\/b><\/p>\n |