PREFACE
Guide Conventions
6 V210 INSTALLATION GUIDE
Various conventions are used to help you quickly identify special formatting.
Table 1 describes these conventions and provides examples of their use.
Acronym Definitions
Various acronyms are used in place of full definition. Table 2 presents the
acronyms and their definitions.
Table 1 Document Conventions
Convention Meaning Example
Blue Text in blue indicates terms that
are cross-references.
See Guide Conventions.
Italics Italic typeface indicates book
titles or emphasis.
You must not use this unit
underwater.
The pencil icon is used to
highlight important information.
RS-232-type devices do not work
on the communication port.
The caution symbol indicates
hardware or software failure, or
loss of data.
The device is not waterproof or
dustproof and is intended for
indoor use only.
The lightning symbol is used as a
warning when bodily injury might
occur.
Due to risk of shock do not use
the unit near water.
Table 2 Acronym Definitions
Acronym Definitions
3DES Triple Data Encryption Algorithm
AC Alternating Current
ANSI American National Standards Institute
cUL Underwriters' Laboratories of Canada
DC Direct Current
DUKPT Derived Unique Key Per Transaction Method as defined in the
VISA’s POS Equipment Requirement: PIN processing and Data
Authentication, International Version 1.0, August 1988
ECR Electronic Cash Register
EMV Europay, MasterCard, and Visa
ISO International Organization for Standardization
MRA Merchandise Return Authorization
MSAM Multiple Secure Access Module
LAN Local Area Network
LCD Liquid Crystal Display
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