User manual

001-5099-000 HiPR-900 User Manual
ix
FHSS Frequency Hop Spread Spectrum: a modulations technique which spreads data
across the entire transmission spectrum by transmitting successive data on differ-
ent channels ("hopping").
Firewall A set of related programs located at a network gateway server that protects the
resources of a network from users from other networks.
Firmware The programming code that runs a networking device.
Fragmentation Breaking a packet into smaller units when transmitting over a network medium
that cannot support the original size of the packet.
FTP File Transfer Protocol - A protocol used to transfer files over a TCP/IP network.
Gateway A device that interconnects networks with different, incompatible communica-
tions protocols.
HDX Half Duplex. Data transmission that can occur in two directions over a single
line, using separate Tx and Rx frequencies, but only one direction at a time.
HiPR-900™ Frequency hopping spread spectrum wireless modem that operates in the license
free 902-928 MHz band.
HiPR-900S Standard version of the HiPR-900™ modem. This version provides core functio-
nalities of the full-featured HiPR-900 version.
HTTP HyperText Transport Protocol - The communications protocol used to connect to
servers on the World Wide Web.
IPCONFIG A Windows 2000 and XP utility that displays the IP address for a particular net-
working device.
LNK LED Ethernet connection established.
MAC Media Access Control - The unique address that a manufacturer assigns to each
networking device.
MIB Management Information Base (MIB)-a logical, hierarchically organized data-
base of network management information. Used in SNMP.
Midspan PSE Power Sourcing Equipment – Equipment used to inject PoE over the unused
conductors of a 4-pair standard cable (E.g.: CATS)
MTU Maximum Transmission Unit - The largest TCP/IP packet that the hardware can
carry.
NAT Network Address Translation - NAT technology translates IP addresses of a local
area network to a different IP address for the Internet.
Network A series of computers or devices connected for the purpose of data sharing, sto-
rage, and/or transmission between users.
Network speed This is the bit rate on the RF link between units.
Node A network junction or connection point, typically a computer or work station.
OIP Optimized IP – Compresses TCP and UDP headers, and filters unnecessary ac-
knowledgments. This makes the most use of the available bandwidth.
OTA Over-The-Air - Standard for the transmission and reception of application-related
information in a wireless communications system
Parallel Decode Patented technology used by HiPR-900 products featuring dual receivers for
added data decode sensitivity in multi-path and fading environments. (United
States Patent No: 6,853,694 B1)
+7 (495) 220-95-14 info@dataradio.ru www.dataradio.ru
ООО "ДатаРадио" - официальный представитель в Роcсии