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TA7104i Hardware Installation
Document Conventions
1.5
The following information provides an explanation of the symbols that appear on the TA7104i
and in the documentation for the product.
Warning Definition
Warning: Means danger. You are in a situation that could cause bodily injury. Before you work
on any
equipment, you must be aware of the hazards involved with electrical circuitry and
be familiar with standard practices for preventing accidents.
Where to find Translated Warning Definition
For safety and warning information, see "Appendix A - Standards Compliance and Safety
Information" on page 19.
This Appendix describes the international agency compliance and safety information for the
TA7104i. It also includes a translation of the safety warning listed in the previous section.
Other Conventions
The following are other conventions you will encounter in this manual.
Caution: Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury and/or damage to the equipment or property.
Note: Indicates important information about the current topic.
Standards Supported Indicates which RFC, Draft or other standard document is supported for
a specific feature.
SCN vs PSTN
In Aastra' and other vendor's documentation, the terms SCN and PSTN are used. A SCN
(Switched Circuit Network) is a general term to designate a communication network in which
any user may be connected to any other user through the use of message, circuit, or packet
switching and control devices. The Public Switched Telephone Network (PSTN) or a Private
Branch eXchange (PBX) are examples of SCNs.
Standards Supported
When available, this document lists the standards onto which features are based. These
standards may be
RFCs (Request for Comments), Internet-Drafts, or other standards.
The TA7104i's implementations are based on the standards, so it's possible that some behavior
differs from the official standards.
© 2014 Aastra Sweden | 154_1531 ANF 901| A | 2014-04-15
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