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54
EtherFast
®
Network Attached Storage
Appendix E: Specifications
Model Number EFG80
Standards IEEE 802.3, IEEE 802.3u
Protocols SMB/CIFS over TCP/IP
Network Port One 10/100 RJ-45 Port
Printer Port One DB-25 Standard Parallel Port
Cabling Type UTP Category 5 Ethernet Network Cable or better
Topology Star
LED Indicators Rear: 10 and 100Mbps Mode
Front: Ready, Error, LAN, Disk, Disk Full,
Back Up
Switches Power, Reset, Uplink
Dimensions (W x H x D) 7.0" x 6.5" x 13.6"
(180 mm x 166 mm x 346 mm)
Weight 11.29 lbs without HDD (5.13 kg)
Power 12V DC, Maximum 5 Amps, 100-240V AC,
50-60Hz Power Adapter Provided
Certifications FCC Class A, CE Mark
Operating Temp. 41°F to 104°F (5°C to 40°C)
Storage Temp. 14°F to 140°F (-10°C to 60°C)
Operating Humidity 10% to 80% Non-condensing
Storage Humidity 5% to 90% Non-condensing
Environmental
TCP (Transmission Control Protocol) - A method (protocol) used along with
the IP (Internet Protocol) to send data in the form of message units (datagram)
between network devices over a LAN or WAN. While IP takes care of handling
the actual delivery of the data (routing), TCP takes care of keeping track of the
individual units of data (called packets) that a message is divided into for effi-
cient delivery over the network. TCP is known as a "connection oriented" pro-
tocol due to requiring the receiver of a packet to return an acknowledgment of
receipt to the sender of the packet resulting in transmission control.
TCP/IP (Transmission Control Protocol/Internet Protocol) - The basic com-
munication language or set of protocols for communications over a network
(developed specifically for the Internet). TCP/IP defines a suite or group of pro-
tocols and not only TCP and IP.
Throughput - The amount of data moved successfully from one place to anoth-
er in a given time period.
Upgrade - To replace existing software or firmware with a newer version.
Upload - To transmit a file over a network. In a communications session, upload
means transmit, download means receive.
URL (Uniform Resource Locator) - The address that defines the route to a file
on the Web or any other Internet facility. URLs are typed into the browser to
access Web pages, and URLs are embedded within the pages themselves to pro-
vide the hypertext links to other pages.
UTP - Unshielded twisted pair is the most common kind of copper telephone
wiring. Twisted pair is the ordinary copper wire that connects home and many
business computers to the telephone company. To reduce crosstalk or electro-
magnetic induction between pairs of wires, two insulated copper wires are twist-
ed around each other. Each signal on twisted pair requires both wires. Since
some telephone sets or desktop locations require multiple connections, twisted
pair is sometimes installed in two or more pairs, all within a single cable.
WA N (Wide Area Network)- A communications network that covers a relative-
ly large geographic area, consisting of two or more LANs. Broadband commu-
nication over the WAN is often through public networks such as the telephone
(DSL) or cable systems, or through leased lines or satellites. In its most basic
definition, the Internet could be considered a WAN.
Workgroup - Two or more individuals that share files and databases.
53
Instant GigaDrive
TM
Series