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Modem Router 802.11G-A-54
Hercules Wireless G ADSL Modem Router
User Manual – 77/80
ESSID (Service Set Identifier)
8 to 32-character identifier, often abbreviated as SSID, serving as the unique name for a network shared by
clients and the access point.
Ethernet port (or RJ-45)
Port allowing for the connection of two devices via a cable, such as a PC and a router, in order to exchange
data packets without collision.
Filter
Device placed between the telephone plug and the modem to improve the quality of telephone
communications, which are often degraded by ADSL signals.
Firewall
Combination of software and security devices protecting a network connected to the Internet.
Infrastructure mode
Communication mode consisting of grouping together several computers equipped with WiFi in a network via
a wireless access point such as the Hercules ADSL router.
IP address
Unique computer address assigned by the router. Each computer has its own IP address, allowing it to be
identified within the network.
LEAP (Lightweight Extensible Authentication Protocol)
Security protocol developed by the company Cisco for the world of Windows. The format used is
identifier/password.
MAC address (Message Authentication Code)
Unique address created by the builder of the client adapter or router, serving to identify this element within a
network.
NAT (Network Address Translation)
Technique allowing for the masking of IP addresses of local area network computers with respect to the
Internet.
OFDM (Orthogonal Frequency Division Multiplexing)
Radio transmission technique providing very high transfer speeds widespread within DSL technology, in the
wireless terrestrial distribution of television signals and adopted for the high-speed 802.11 wireless
communication standard.
PPPoA (Point-to-Point Protocol over ATM)
Protocol allowing for connection to the Internet of computers linked over an ATM network, while still identifying
the user.
PPPoE (Point-to-Point Protocol over Ethernet)
Protocol allowing for connection to the Internet of computers linked over an Ethernet network via a high-speed
modem.
Static IP
Permanent IP address assigned to a computer by the service provider.
Subnet mask
Part of an IP address indicating the class of the network used (class C, type 255.255.255.0 for a local area
network).
TKIP (Temporal Key Integrity Protocol)
The WPA standard uses the TKIP protocol, which consists of regenerating new keys for each data packet,
whereas WEP uses a system based on a fixed key.
UPnP (Universal Plug n’ Play)
Protocol allowing for the connection to one another of many computers and peripherals available on a
network.
