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The NAT function allows all the PCs and
other devices on the LAN to use private IP addresses, hidden from
the Internet. The Firewall ensures that Information on the subscribers
LAN remains private and is not open to unauthorised access from
the Internet. SIP and H323 standards are supported for IP telephony
applications. The units do not offer secure protection from a
determined Hacker so should be used with caution on Networks or
PCs that are permanently connected to the Internet.
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Firewall Routers
 For
use with Cable Modems, ADSL/SDSL Modems and other 10BaseT Ethernet
Broadband Access services such as Wireless, the main features
include:
- Access
Router: NAT/PAT, DHCP Server/Client
- Firewall:
Router-based, Packet Filtering, Stateful Inspection, Proxy Firewall
- IP
Telephony: SIP Proxy/Registrar
- Up
to 5 IPSec VPN tunnels
- Strong
3DES encryption
- Serial
port for automatic dial-backup
- Secure
Internet firewall services
The
Firewall feature is essential for users with always on access
to the Internet. With the Router connected between the Internet
access point (Cable/ADSL Modem) and the users network. an effective
barrier is formed between the users network and the Internet.
This will protect the users LAN from unauthorised access via the
Internet. The Tunnelling feature allows secure VPNs (Virtual Private
Networks) to be established over the Internet between a number
of different sites. Users with a number of small branch offices
will find that this provides an always-on service that is a very
cost-effective alternative to leased lines or ISDN.
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VPN
(Virtual Private Network) Routers
Are specifically designed for organisations
that need to establish a large number of secure data links between
sites via the Internet, standard features include data encryption.
Secure
VPN Tunnels
 VPN
Routers provide a full IPSec VPN capability to enable a business
to establish private data connections over the Internet between
its Central Office and Branch Offices. Using DES and 3DES encryption,
Data authentication and Key management to provide data privacy.
The Planet VRT401 is typical of this type of low cost VPN Router.
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Mini
DSLAM
 8
or 16 ADSL Modems with a fast uplink port in a small enclosure.
Designed
to provide Internet access in multiple occupancy buildings such
as Hotels, Serviced Offices, Apartment Blocks or Business Parks.
The Modems share the existing telephone cabling to each room within
the building keeping disruption and installation costs to a minimum.
With
a range of several Kilometres the DSLAMS can also be used to provide
an affordable data network for large Private Estates, Theme Parks,
etc. Again by making use of an existing telephone cable infrastructure
disruption is kept to a minimum.
The
DSLAM is connected to the Internet via Leased Lines or Wireless
links, providing a low cost alternative to individual links back
to the ISP (Internet Service Provider) The Loop 3780 DSLAM and
Modems enable low cost Internet access using telephone cables.
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Internet
Access Testset
For
organizations such as a Telco or ISP providing Internet
Access from Customer Premises, Installation or Access issues
that require a site visits can be very expensive. The Tellip
IP-10 Testset enables the Installer or Repair Technician
to quickly establish that a Customer's ADSL or Cable Modem
Internet Access is fully functional.
The
IP 10 Tester is a handheld instrument specifically designed
for testing and verifying that the Customers Internet Access
Installation is operating correctly. As this does not involve
using the Customers own equipment the time spent on site
is kept to a minimum with fewer repeat visits being required.
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The
Tellip IP-10 can:
- Control
and test relevant IP addresses
- Control
link connections
- Perform
basic configuration of a router
- Perform
ping
- Emulate
a router
- Internet
Access speed test
- On-Line
test report to an ISP
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Are
low cost devices that provide the interface between wires only
ADSL Internet access points and a users LAN. The user ports are
10BaseT Ethernet access or USB and a POT (splitter for a Telephone
Handset). Typically ADSL Modems are used to enable Firewalls and
VPN Routers to be connected to the Internet.
Include
Routing features such as NAT (Network Address Translation) and
4 port 10/100 switches.