User Manual

120 20195-100 Preliminary Paragon4 – UHF, 700, & 800MHz User Manual
vii
i
RS-232 Industry–standard interface for data transfer.
Smart Combining Digital processing method used to combine “Spatial Diversity” signals to opti-
mize performance. (See Parallel Decode)
SNMP Simple Network Management Protocol - Provides a means to monitor and con-
trol network devices, and to manage configurations, statistics collection, per-
formance, and security.
Spatial Diversity Composite information from independent diversity branches using antennas
spaced apart is used with “Smart Combining” to minimize fading and other unde-
sirable effects of multipath propagation. (See Parallel Decode)
SRRCnFSK Square Root Raised Cosine (n = level) Frequency Shift Keying. Type of fre-
quency modulation of data signals performed by the Paragon4 radiomodem.
Static IP Address A fixed address assigned to a computer or device that is connected to a network.
Static Routing Forwarding data in a network via a fixed path.
Subnet Mask A bit mask used to select the bits from an IP address that correspond to the sub-
net. Each mask is 32 bits long, with one bits in the portion that identifies a net-
work and zero bits in the portion that identifies a host.
Switch (Ethernet) Computer-networking device that allows sharing a limited number of ports to
connect computing devices to host computers. Replaces network hubs (layer1),
switches (layer2), routers (layer3).
Sync Data transmitted on a wireless network that keeps the network synchronized.
TCP/IP Transmission Control Protocol/Internet Protocol - A transport (layer4) protocol
for transmitting data that requires acknowledgement from the recipient of data
sent. Handles retries and flow control.
Telnet Network (layer5) protocol used on the Internet or on LAN connections.
TFTP Trivial File Transfer Protocol - A version of the TCP/IP FTP protocol that has no
directory or password capability.
Topology The physical layout of a network.
Transparent A transparent unit transmits all data without regard to special characters, etc.
UDP User Datagram Protocol - A transport (layer4) protocol for transmitting data that
does not require acknowledgement from the recipient of the data that is sent.
Upgrade To replace existing software or firmware with a newer version.
URL Universal Resource Locator - The address of a file located on the Internet.
VIS Vehicular Information Solutions. Dataradio’s name for a series of products spe-
cially designed for mobile data.
WINIPCFG A Windows 98 and Me utility that displays the IP address for a particular net-
working device.
WLAN Wireless Local Area Network - A group of computers and associated devices that
communicate with each other wirelessly.