Glossary © Hypercom EMEA Ltd. 2011 87
Communications
Access Point
A device that allows a Bluetooth terminal to connect to a host or Acquirer.
The Access Point can communicate with an external network either via dial
or network communications.
Bluetooth
A wireless method of short range communication usually found in mobile
phones and other handheld devices.
Bluetooth pairing
Before Bluetooth devices can communicate they need undergo a process
called pairing.
See Appendix F for details of the Hypercom pairing process used with the
M4240 and Access Points.
Broadband
A means of connecting to the internet. Broadband systems are typified by
being “always on” and having faster connection speeds than dial-up. The
most popular kinds of broadband include ADSL (Asymmetric Digital
Subscriber Line) and Cable.
Dial backup
The ability of a terminal to revert to the dial mode of communication in the
event of an IP/Ethernet connection being unavailable.
DHCP
Dynamic Host Control Protocol. This is a system whereby IP Addresses are
assigned to networked equipment automatically.
DSL filter
A device that improves the quality of an ADSL (broadband) enabled
telephone line by separating data and voice signal frequencies.
Ethernet
A standard used to physically connect devices together. Networking
protocols such as IP can be used over Ethernet connected equipment.
GPRS
General Packet Radio Service. This is a method of communicating data via
the mobile phone network.
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