Cradlepoint CBR450 User Manual
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CRADLEPOINT
CBR450| USER MANUAL Firmware ver. 3.3.0
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PAGE 120
Network Interface Card
NIC. A card installed in a computer or built onto the
motherboard that allows the computer to connect to a
network.
Network Layer
The third layer of the OSI model which handles the
routing of traffic on a network.
Network Time Protocol
Used to synchronize the time of all the computers in a
network.
NIC
Network Interface Card.
NTP
Network Time Protocol.
OFDM
Orthogonal Frequency-Division Multiplexing is the
modulation technique for both 802.11a and 802.11g.
OSI
Open Systems Interconnection is the reference model for
how data should travel between two devices on a
network.
OSPF
Open Shortest Path First is a routing protocol that is used
more than RIP in larger scale networks because only
changes to the routing table are sent to all the other
routers in the network as opposed to sending the entire
routing table at a regular interval, which is how RIP
functions.
Password
A sequence of characters that is used to authenticate
requests to resources on a network.
Personal Area Network
The interconnection of networking devices within a range
of 10 meters.
Physical layer
The first layer of the OSI model. Provides the hardware
means of transmitting electrical signals on a data carrier.
Ping
A utility program that verifies that a given internet
address exists and can receive messages. The utility
sends a control packet to the given address and waits for
a response.
PoE
Power over Ethernet is the means of transmitting
electricity over the unused pairs in a category 5 Ethernet
cable.
POP3
Post Office Protocol 3 is used for receiving email.
Port
A logical channel endpoint in a network. A computer
might have only one physical channel (its Ethernet