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Page 96 / 112 Scroll up to view Page 91 - 95
NB5Plus4/W User Guide
YML754Rev1
µ³
www.netcomm.com.au
•
1 x Power LED
•
1 x ADSL Link Status LED
•
4 x Ethernet Link/Activity Status LED
•
1 x USB Status LED
•
1 x WLAN Status LED ( NB5Plus4W Only)
Appendix C:
Cable Connections
This cable information is provided for your reference only.
Please ensure you only
connect the appropriate cable into the correct socket on either this product or your
computer.
If you are unsure about which cable to use or which socket to connect it to, please
refer to the hardware installation section in this manual. If you are still not sure
about cable connections, please contact a professional computer technician or Net-
Comm for further advice.
RJ-45 Network Ports
RJ-45 Network Ports can connect any networking devices that use a standard LAN
interface, such as a Hub/Switch Hub or Router. Use unshielded twisted-pair (UTP)
or shield twisted-pair (STP) cable to connect the networking device to the RJ-45
Ethernet port.
Depending on the type of connection, 10Mbps or 100Mbps, use the
following Ethernet cable, as prescribed.
10Mbps: Use EIA/TIA-568-100-Category 3, 4 or 5 cable.
100Mbps: Use EIA/TIA-568-100-Category 5 cable.
Note:
To prevent loss of signal, make sure that the length of any twisted-pair
connection does not exceed 100 metres.
Figure 1
Figures 1 and 2 illustrate the use of straight-through and crossover twisted pair
cables along with the connector.
Figure 2
RJ11 connector and cable
An RJ-11 connector is the small, modular plug used for most analog telephones. It
has six pin slots in the head, but usually only two or four of them are used.
Figure 5
605 to RJ-11 adapter
The 605 to RJ-11 adaptor is provided to comply with the older 610 Telstra wall
socket.
The 605 to RJ-11 adapter may be used to convert the supplied RJ-11 cable,
if the older connection is required.
Appendix D:
Glossary
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YML754 Rev1
NB5Plus4/W User Guide
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10BASE-T
A designation for the type of wiring used by Ethernet
networks with a data rate of 10 Mbps. Also known as
Category 3 (CAT 3) wiring. See also data rate, Ethernet.
100BASE-T
A designation for the type of wiring used by Ethernet
networks with a data rate of 100 Mbps. Also known as
Category 5 (CAT 5) wiring. See also data rate, Ethernet.
ADSL
Asymmetric Digital Subscriber Line.
The most commonly
deployed type of DSL for home users. The term asym-
metrical refers to its unequal data rates for download
-
ing and uploading (the download rate is higher than the
upload rate). The asymmetrical rates benefit home users
because they typically download much more data from
the Internet than they upload.
analog
Of data, having a form is analogous to the data’s origi-
nal waveform. The voice component in DSL is an analog
signal. See also digital.
ATM
Asynchronous Transfer Mode A standard for high-speed
transmission of data, text, voice, and video, widely used
within the Internet. ATM data rates range from 45 Mbps
to 2.5 Gbps. See also data rate.
authe°ticate
To verify a user’s identity, such as by prompting for a
password.
bi°ary
The “base two” system of numbers, that uses only two
digits, 0 and 1, to represent all numbers. In binary, the
number 1 is written as 1, 2 as 10, 3 as 11, 4 as 100, etc.
Although expressed as decimal numbers for convenience,
IP addresses in actual use are binary numbers; e.g., the
IP address 209.191.4.240 is 11010001.10111111.000001
00.11110000 in binary. See also bit, IP address, network
mask.
bit
Short for “binary digit,” a bit is a number that can have
two values, 0 or 1. See also binary.
bps
bits per second
brid±i°±
Passing data from your network to your ISP and vice
versa using the hardware addresses of the devices at
each location. Bridging contrasts with routing, which can
add more intelligence to data transfers by using network
addresses instead. The My ADSL Modem can perform
Page 98 / 112
NB5Plus4/W User Guide
YML754Rev1
µ´
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both routing and bridging. Typically, when both functions
are enabled, the device routes IP data and bridges all
other types of data. See also routing.
broadba°d
A telecommunications technology that can send different
types of data over the same medium. DSL is a broadband
technology.
Broadcast
To send data to all computers on a network.
CO
Central Office A circuit switch that terminates all the local
access lines in a particular geographic serving area; a
physical building where the local switching equipment is
found. xDSL lines running from a subscriber’s home con-
nect at their serving central office.
DHCP
Dynamic Host Configuration Protocol
DHCP automates
address assignment and management. When a computer
connects to the LAN, DHCP assigns it an IP address from
a shared pool of IP addresses; after a specified time limit,
DHCP returns the address to the pool.
DHCP relay
Dynamic Host Configuration Protocol relay.
A DHCP relay
is a computer that forwards DHCP data between comput-
ers that request IP addresses and the DHCP server that
assigns the addresses. Each of the My ADSL Modem’s
interfaces can be configured as a DHCP relay. See DHCP.
DHCP server
Dynamic Host Configuration Protocol server. A DHCP
server is a computer that is responsible for assigning IP
addresses to the computers on a LAN. See DHCP.
digital
Of data, having a form based on discrete values ex-
pressed as binary numbers (0’s and 1’s). The data com-
RJ-45 plug attached
to cable
RJ-45 Connector
Pin Assignment
Normal Assignment
1
Input Receive Data +
2
Input Receive Data -
3
Output Transmit Data +
6
Output Transmit Data -
4,5,7,8
Not used
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µµ
Straight and crossover cable configuration
There are two types of the wiring: Straight-Through Cables and Crossover Cables.
Category 5 UTP/STP cable has eight wires inside the sheath. The wires form four
pairs. Straight-Through Cables has same pinouts at both ends while Crossover Ca-
bles has a different pin arrangement at each end.
In a straight-through cable, wires 1,2,3,4,5,6,7 and 8 at one end of the cable are
still wires 1~8 at the other end. In a crossover cable, the wires of 1,2,3,6 are re-
versed so that wire 1 become 3 at the other end of the cable, 2 becomes 6, and so
forth.
To determine which wire is wire 1, hold the RJ-45 cable tip with the spring clip
facing towards the ground and the end pointing away from you. The copper wires
exposed upwards to your view. The first wire on the far left is wire 1. You can also
refer to the illustrations and charts of the internal wiring on the following page.
Straight-Through Cabling
Figure 3
Wire
Becomes
1
1
2
2
3
3
6
6
Cross-Over Cabling
Figure 4
Wire
Becomes
1
3
2
6
3
1
6
2
Note:
To prevent loss of signal, make sure that the length of any twisted-pair
connection does not exceed 100 metres.
Page 100 / 112
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RJ-11 Connector
Pin Assignment
Normal Assignment
1
Not Connected
2
Not connected
3
Line
4
Line
5
Not Connected
6
Not Connected
ponent in DSL is a digital signal. See also analog.
DNS
Domain Name System.
The DNS maps domain names
into IP addresses. DNS information is distributed hier-
archically throughout the Internet among computers
called DNS servers. When you start
to access a web site, a DNS server
looks up the requested domain name
to find its corresponding IP address.
If the DNS server cannot find the IP
address, it communicates with higher-
level DNS servers to determine the IP
address. See also domain name.

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