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MW1122 Administrator Manual
E Copyright Nokia Networks Oy
C33902001SE_00
1-2
PCI cards and PC card adapters which can be used with desktop PCs. If
you want to have more than one PC connected to a Nokia MW1122
modem through the Ethernet interface, you must use a multi-port
Ethernet hub in between the PCs and Nokia MW1122 modem.
A wireless network at home or office is a powerful, easy to use network
that is similar to any other Ethernet-like local area network. The only
difference is the lack of cables needed on the traditional LAN. This
enables flexibility and mobility that has not been available before. You
can use your laptop anywhere within the range of your wireless LAN
covering you home or office. Wireless LAN, defined by IEEE 802.11b
standard, provides a capacity of 1, 2, 5.5 and 11 Mbit/s capacity and
support for 32 concurrent wireless LAN clients and a coverage of 20 to
50 metres depending on the inner walls of your apartment, house or
office.
The ADSL high-speed Internet access may be delivered to you over
the same copper pair of wires that is used for your traditional telephony
services. As both services utilise the same pair of wires, a filter is
needed to separate them. This is called a POTS filter and it is a small
external device connected between your telephone and the telephone
wall socket.
Your Nokia MW1122 interconnects with a Digital Subscriber Line
Access Multiplexer (DSLAM) installed and maintained by your
access provider in their central office. MW1122 ADSL technology is
based on Discrete Multitone (DMT) modulation allowing a maximum
of 8 Mbit/s data transmission from the network and 800 kbit/s towards
the network. However, these figures illustrate the maximum
performance of the technology and are subjected to the physical line
conditions and the distance from you to the central office. MW1122 is
capable of adapting to the physical line conditions and guarantees the
maximum transmission rate possible on the particular line. MW1122
adapts its speed to the line conditions in steps of 32 kbit/s. In addition
to these physical limitations affecting your data throughput, your
Internet Service Provider (ISP) may limit your access according to
their service provisioning policy and based on your service contract.