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Sitecom ADSL2+ Modem DC-227 
6 
2. Hardware Installation 
2.1 Panel Layout 
2.1.1 Backlabel 
LED 
Function 
Color 
Status 
Description 
POWER Power indication Green 
On 
Power is connected. 
On 
ADSL line was detected. 
WAN 
Link Status 
Green 
Blinking 
The modem couldn’t detect the ADSL 
signal, or is attempting to get line sync. 
Blinking 
The LAN port is sending or receiving data. 
LAN 
Data Rate 
Green 
On 
The LAN port is connected. 
 
                 
                                
                    
                        Page 7 / 61
                                            
                    
Please check 
www.sitecom.com
for up to date drivers & utilities, manuals and support 
7 
2.1.2 Rear Panel 
Port 
Description 
WAN 
The port to connect with your ADSL line. 
Ethernet 
The ports where you can connect your computer or other device. 
Reset 
To reset the system settings to factory defaults, press the reset button for at 
least 10 seconds. 
POWER 
The power inlet. 
 
                 
                                
                    
                        Page 8 / 61
                                            
                    
Sitecom ADSL2+ Modem DC-227 
8 
2.2 Procedure for Hardware Installation 
2.2.1 
Hardware Requirements 
•
ADSL/ADSL2/ADSL2+ Internet subscription 
•
9V AC power adapter 
•
RJ-45 Ethernet cable 
•
RJ-11 ADSL line 
2.2.2 
Decide where to place your ADSL2+ Modem 
You can place your ADSL2+ Modem on a desk or other flat surface, or you can mount it 
on a wall. This location must be close to a power connection and your ADSL/Telephone 
connection. 
2.2.3 
Setup LAN connection 
Connect an Ethernet cable to one of your computers. 
2.2.4 
Hardware Setup Procedures 
1.
Connect the RJ-11 cable from the DC-227 to your ADSL line. 
2.
Connect the RJ-45 line from your PC to an Ethernet port on the DC-227. 
3.
Plug the power supply into a wall outlet. 
2.2.5 
Power on 
Connect the power-adapter to the power inlet port and connect it to a wall outlet, this 
product will automatically enter the self-test phase. When it is in the self-test phase, the 
Power LED will not be lighted for about 15 seconds, and then Power will flash 9 times to 
indicate that the self-test operation has finished. Finally, power will be lit continuously to 
indicate that this product is in normal operation. 
 
                 
                                
                    
                        Page 9 / 61
                                            
                    
Please check 
www.sitecom.com
for up to date drivers & utilities, manuals and support 
9 
3 Network Settings and Software Installation 
3.1
Windows 2000/XP 
1.
Go to START > Configuration screen > (Network and Internet connections >) Network 
connections. 
2.
Click on your network connection with the right hand mouse button and select 
‘Properties’. 
3.
Click on ‘Internetprotocol (TCP/IP)’, and click on the button ‘Properties’. 
4.
Select ‘Obtain an IP address automatically’. 
5.
Click on OK, then on Close, and restart your PC. 
3.2 Windows Vista 
1.
Click the Windows (Start) button. 
2.
Right-click with the mouse on ‘Network’, and select ‘Properties’. 
3.
Click ‘status’ of your network connection, and select ‘Properties’ in the new window. 
4.
In User Account Control click ‘continue’. 
5.
Click ‘Internet Protocol Version 4 (TCP/IPv4)’, then click ‘Properties’. 
6.
Select ‘Obtain an IP address automatically’. 
7.
Click OK, then close all windows and restart your PC. 
 
                 
                                
                    
                        Page 10 / 61
                                            
                    
Sitecom ADSL2+ Modem DC-227 
10 
4 
Configuring the ADSL2+ Modem 
This ADSL2+ Modem uses a easy-setup web-interface which can be opened through your 
webbrowser, such as Netscape Communicator or Internet Explorer. This approach can be 
adopted in any MS Windows, Macintosh or UNIX based platforms. 
The default configurations for the system are listed below. 
4.1 Start-up and Log in 
1.
Start your web browser (e.g. Internet Explorer). 
2.
Type in de address bar: 
3.
Enter your username as: 
admin
, and for your password: 
admin
, and click OK. 
4.
You will now see the start page for your modem. 
•
LAN IP address: 
10.0.0.1
Subnet Mask: 
255.255.255.0 
•
VPI/VCI: 
8/35
, 
Encapsulation: 
1483 Bridged IP LLC
[Administrator Login] 
•
Username: 
admin
, 
Password:
admin
[User Login] 
•
Username: 
user
, 
Password:
user