User Manual Part 2

ESR9855G Wireless N Gaming Router
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Data-Link layer
The second layer of the OSI model. Controls the movement of data on the physical link of a network
DB-25
A 25 ping male connector for attaching External modems or RS-232 serial devices
DB-9
A 9 pin connector for RS-232 connections
dBd
Decibels related to dipole antenna
dBi
Decibels relative to isotropic radiator
dBm
Decibels relative to one milliwatt
Decrypt
To unscramble an encrypted message back into plain text
Default
A predetermined value or setting that is used by a program when no user input has been entered for this value or setting
Demilitarized zone
DMZ: A single computer or group of computers that can be accessed by both users on the Internet as well as users on the Local Network,
but that is not protected by the same security as the Local Network.
DHCP
Dynamic Host Configuration Protocol: Used to automatically assign IP addresses from a predefined pool of addresses to computers or
devices that request them
Digital certificate:
An electronic method of providing credentials to a server in order to have access to it or a network
Direct Sequence Spread Spectrum
DSSS: Modulation technique used by 802.11b wireless devices
DMZ
"Demilitarized Zone". A computer that logically sits in a "no-mans land" between the LAN and the WAN. The DMZ computer trades some of
the protection of the router's security mechanisms for the convenience of being directly addressable from the Internet.
DNS