Black Box IT1000, Руководство пользователя

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6
IT1000 Basic Rate ISDN Tester
SALES: 0870 90 10 750
1 PREFACE
This guide is intended for use by technically competent personnel when using the IT1000 ISDN unit to make tests on ISDN
lines.
Throughout this manual certain typographical conventions are used as follows:
Text Type Meaning
Text like this … is standard text
Z
This text and symbol …
indicate points which are important for the correct operation of
the unit.
This text and symbol …
indicate points which if ignored may cause harm either to the unit
or the safety of the user and MUST be followed.
ü
Tip
Gives useful information and hints on using the device.
Text like this … Indicates terminal input or output from the unit to a terminal
device.
File > Save An instruction to navigate using the menu system. In this
example to select the
File Menu, then the Save submenu.