Technicolor TWG870
Operating instructions for your cable modem
Version 1.5
Document tracking
Version
Date
Comment
1.0 17.06.2011
M. Aschwanden
1.1 20.06
.2011
Edited by
Guido Biland
1.2 21.06.2011
Chapter “
Switching o
f
f WLAN
” revised
, M. Aschwanden
1.3. 21.09.2011
Chapter “
Switching between router and bridge mode
”, M. Böyük
Pilavci
1.4 28.10.2011
Chapter
changed
“Switching off WLAN” revised,
M. Böyük Pilavci
1.5 2.5.2012
Security
warning
“
Switching between router and bridge mode
”,
M. Böyük Pilavci
Version 1.5
05/03/12
Page
1. Description
The TWG870 cable modem facilitates the connection of PCs and telephones to the cable network.
The default factory settings allow for it to be started up without the need to configure it.
You can also individually configure the modem on your PC through the web interface using your
web browser (see Chapter 4).
1.1 Connections
A – 2 telephone ports for analogue telephone sets (RJ-11)
B – 4 Ethernet ports for PCs (4 x 10/100/1000BaseT, RJ-45)
C – USB port (deactivated)
D – Reset button
E – Cable connection
F – Power connection
G – On/off switch
H – WiFi antenna connection (wireless standard 802.11n)
I – WiFi on/off switch (function depends on the software version)
Version 1.5
05/03/12
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1.2 Status indicators
Power – Power supply
DS – Downstream (data is being downloaded)
US – Upstream (data is being uploaded)
Online – Ready for operation
Ethernet (1-4) – Ethernet port status indicator
USB – USB status indicator
Wireless – WiFi status indicator
Phone (1-2) – Telephone status indicator
1.3 Firewall
The TWG870 protects your local PC network (LAN) through a built-in firewall function.
1.4 LAN
Up to 4 PCs can be connected to the cable modem directly using Ethernet cables, and additional
PCs wirelessly through the integrated WLAN Access Point (WiFi). The PCs are assigned their
network parameters (IP address, default gateway and DNS server) by the integrated DHCP
server.
1.5 Telephony
If you have subscribed to a telephone service by upc cablecom, you can connect up to two
analogue telephone sets to the cable modem.
Version 1.5
05/03/12
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2. Default factory settings
2.1 LAN
Network 192.168.0.0/24
Default gateway 192.168.0.1
DHCP address range 192.168.0.10 to 192.168.0.254
2.2 WLAN
You can find the name of the wireless network (SSID) and the password for the PSK encryption
(WPA2–PSK) on the label at the bottom of the device. These values differ from modem to modem
and can be adjusted individually (see Chapter 4.3).
For example:
2.3 Firewall
Activated:
- WAN blocking
- IPsec/PPTP pass-through
- Multicast
- SIP ALG
Deactivated:
- UPnP
- Remote management
For further information on the firewall settings, please refer to Chapter 4.
2.4 Reset to default factory settings
You can reset the modem to the default factory settings at any time. The easiest way to do this is
via the reset button at the back of the device. Press and hold the reset button for 15 seconds.
Alternatively, you can use the web interface. You can find the option to reset the device to the
default factory settings under “Password” in the “Status” menu.
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