PREFACE
Guide Conventions
4 V
X
810 INSTALLATION GUIDE
Guide
Conventions
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 the full definition. Table 2 presents
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.
RS232-type devices do not work
on the V
x
810 communication
port.
The caution symbol indicates
hardware or software failure, or
loss of data.
The unit is not waterproof or
dustproof, and is intended for
indoor use only.
The lighting symbol is used as a
warning when bodily injury might
occur.
Due to risk of shock do not use
the terminal near water.
NOTE
CAUTION
WARNING
Table 2 Acronym Definitions
Acronym Definitions
AES Advanced Encryption Standard Algorithm
API Application Programming Interface
ARM Advanced RISC Machines
CAPK Certification Authority Public Key as in the EMV standard
CBC Cipher Block Chaining mode, as defined in ANSI X3.106
COG Chip on Glass
COGS Cost of Goods Sold
CTS Clear to Send
DEA/DES Data Encryption Algorithm/Standard, as defined in ANSI X3.92
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
ECB Electronic Code Book mode, as defined in ANSI X3.106
ECR Electronic Cash Register
EMV Joint Europay, MasterCard and Visa Standard
ERS Engineering Requirements Specification
