User's Manual

PREFACE
Conventions and Acronyms
VX 520 I
NSTALLATION GUIDE 7
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LED Light Emitting Diode
MRA Merchandise Return Authorization
MSAM Micromodule-Size Security Access Module
PCI Payment Card Industry
PED PIN-Entry Devices
PIN Personal Identification Number
RAM Random Access Memory
RJ-11 Registered Jack 11
RJ-45 Registered Jack 45
RS-232 Recommended Standard 232
SAM Security Access Module
VPN VeriFone Part Number
Table 2 Acronym Definitions (continued)
Acronym Definitions