2-G-1
G. Installation of Lightning Protectors
1.00 Overview
A lightning protector is a device to be installed on a CO line to prevent a dangerous surge from entering
the building and damaging equipment.
A dangerous surge can occur if a telephone line comes in contact with a power line. Trouble due to
lightning surges has been showing a steady increase with the development of electronic equipment.
In many countries, there are regulations requiring the installation of a lightning protector. A lightning strike
to a telephone cable which is 10 m (33 feet) above ground can be as high as 200,000 volts.
This system should be installed with lightning protectors. In addition, grounding (connection to earth
ground) is very important for the protection of the system.
2.00 Recommended lightning protectors
• KX-A207
• TELESPIKE BLOK MODEL TSB (TRIPPE MFG. CO.)
• SPIKE BLOK MODEL SK6-0 (TRIPPE MFG. CO.)
• Super MAX™ (PANAMAX)
• MP1 (ITW LINK)
3.00 Installation
CO
CO
CO
EXTN
EXTN
EXTN
Lightning
Protectors
Terminal
Board
Main Unit
Frame
Ground
SLT
PT
Ground
Ground Connector
Содержание KX-TD500
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Страница 9: ...Section 1 System Outline ...
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Страница 51: ...Section 2 Installation ...
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Страница 173: ...Section 3 System Features and Operation ...
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Страница 577: ...Section 5 Station Features and Operation Single Line Telephone SLT ...
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Страница 833: ...Section 8 Preparation for Programming and Maintenance VT220 and Compatibles ...
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Страница 899: ...Section 9 Preparation for Programming and Maintenance Dumb Type Terminal ...
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Страница 931: ...Section 10 System Programming VT220 and Compatibles ...
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Страница 1269: ...Section 12 System Programming Proprietary Integrated Telephone System PITS ...
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Страница 1303: ...Section 13 Station Programming Proprietary Integrated Telephone System PITS ...
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Страница 1369: ...Section 14 Station Programming Attendant Console ...
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Страница 1395: ...Section 15 Maintenance VT220 and Compatibles ...
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Страница 1495: ...Section 16 Maintenance Dumb Type Terminal ...
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Страница 1541: ...Section 17 Backup Utility On Site ...
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Страница 1559: ...Section 18 Backup Utility Remote Location ...
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Страница 1571: ...Section 19 Abbreviations ...
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