ARIES8 REFERENCE GUIDE
v2.1 | 2
1 .3 Acronyms and Terms
Acronym Definition
DHCP Dynamic Host Configuration Protocol – A network management protocol used
on IP networks. The DHCP server dynamically assigns an IP address and other
network configuration parameters to each device on the network.
ECR Electronic Cash Register
EMV Europay, Mastercard, and VISA
IMEI International Mobile Equipment Identity – a 15 or 17 digit code that uniquely
identifies mobile phone sets.
MSR Magnetic Stripe Reader
OS Operating System
POI Point-of-Interaction
POS Point of Sale or Point of Service
PSAM Purchase Security Application Module – Small security module which is placed
in payment terminals and looks like a SIM card for a cell phone
SIM Subscriber Identity Module Card – A smart card that stores data GSM cellular
network subscribers
SSID Service Set Identifier – The name for a Wi-Fi or WLAN network. Mobile devices
look for all networks in range when they attempt to connect to local Wi-Fi.
TF TransFlash – MicroSD memory cards were originally named TransFlash, T-Flash,
or TF cards. TF and MicroSD cards are functionally identical so both types of
cards can operate in devices made for the other.
WAN Wide Area Network – Cellular phone data networks run on a WAN. It covers a
broad area and many devices in that area.
Wi-Fi A trademarked term used to describe the wireless networking technology that
allows computers and other devices to communicate over a wireless signal.
Based on IEEE802.11 standards.
WLAN Wireless Local Area Network – Any wireless local area network, no matter
what technology is used. Wi-Fi is one type of WLAN.
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