Planning the installation /
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Modular ICS 7.1 Installer Guide
å
no longer than 100 m (300 ft.) for 75 ohm cable or
200 m (600 ft.) for 150 ohm cable on a point-to-multipoint
short passive bus
Wiring for the S reference point (S loop) should conform to
ANSI T1.605. Wiring for the ISDN U reference point (U loop)
should conform to ANSI T1.601.
Verify lightning protectors.
Check the lightning protectors at the cable entry point to
the building with special attention to the grounding.
Report any problems to the telephone company in
writing.
Equipment that is designed to be connected using
internal wiring is typically not lightning protected.
Norstar telephone equipment and ISDN S loops and
T loops should not leave the building where the ICS is
installed.
Содержание Modular ICS 7.1
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Страница 46: ...46 How to use this document Modular ICS 7 1 Installer Guide N0130943 02...
Страница 72: ...72 Welcome to ISDN Modular ICS 7 1 Installer Guide N0130943 02...
Страница 102: ...102 Remote system access Modular ICS 7 1 Installer Guide N0130943 02...
Страница 108: ...108 Controlling system access Modular ICS 7 1 Installer Guide N0130943 02...
Страница 192: ...192 ETSI MCDN and Network features Modular ICS 7 1 Installer Guide N0130943 02...
Страница 290: ...290 Modular ICS 7 1 Installer Guide N0130943 02...
Страница 582: ...582 Link Status Modular ICS 7 1 Installer Guide N0130943 02...
Страница 586: ...586 Usage Metrics Modular ICS 7 1 Installer Guide N0130943 02...