PREFACE
Conventions and Acronyms
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670 INSTALLATION GUIDE 7
LCD Liquid Crystal Display
LED Light Emitting Diode
MRA Merchandise Return Authorization
MSAM Micromodule-Size Security Access Module
PED PIN-Entry Devices
PIN Personal Identification Number
RJ45 Registered Jack 45
RS-232 Recommended Standard 232
SAM Security Access Module
SIM Subscriber Identity Module
UART Universal Asynchronous Transmitter/Receiver
USB Universal Serial Bus
VPN VeriFone Part Number
Wi-Fi Wireless Fidelity
Table 2 Acronym Definitions (continued)
Acronym Definitions