D-Link DSL-2750E Manual

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FAQ : How to Configure 3G Fail-over on DSL-2750E

Technical Support Setup Procedure

FAQ: How to Configure 3G Fail-over on DSL-2750E

Release date: 24/10/2014

Model Support: DSL-2750E

H/W: T1

S/W: 1.09 or Above

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FAQ : How to Configure 3G Fail-over on DSL-2750E

Technical Support Setup Procedure

3G Dongle 3G Fail Over  DSL-2750E



1: ,  ,  , 

Address IP Address DSL-2750E 192.168.1.1 

Enter 

2: (User Name) 

(Password) “admin” 

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FAQ : How to Configure 3G Fail-over on DSL-2750E

3: 

Advanced > 3G Configuration)

3G Configuration

USB DSL-2750E 3G Dongle 

Compatible) Fail Over ADSL WAN 

Note:

1. 3G ADSL WAN 

ADSL down WAN 3G 

2.3G Dongle Compatible list www.dlink.com.sg

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FAQ : How to Configure 3G Fail-over on DSL-2750E



1. 3G dongle USB DSL-2750E

2. 3G StatusReady

3. Add

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FAQ : How to Configure 3G Fail-over on DSL-2750E

4: Enable 3G Service

ISP SIM Card 3G Dongle

ISP ISP Manual

-6-

FAQ : How to Configure 3G Fail-over on DSL-2750E

5: 

Backup Mechanism  DSL DSL Line 

Ethernet WAN ADSL WAN 3G 

Backup Mechanism IP Check 

ping ping3G 

IP Address 

Apply

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FAQ : How to Configure 3G Fail-over on DSL-2750E

6: 3G Connected

3G

3G disconnect (ADSL/Ethernet WAN) 



-8-

FAQ : How to Configure 3G Fail-over on DSL-2750E

Technical Support Setup Procedure

How to Configure 3G Fail-over on DSL-2750E

Step 1: Open a web browser such as Internet Explorer, Mozilla Firefox, Safari and etc. On the Address

bar, enter the LAN IP Address of the DSL-2750E. The default ip address is 192.168.1.1. Press ‘Enter’

key on your keyboard.

Note: Please enter the new ip address of the router if you have changed it.

Step 2: A login screen will appear, type in the User Name and Password as “admin” all in lower case

(This is the default setting, please enter the new username and password if you have changed it).

Click on the Log In button.

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FAQ : How to Configure 3G Fail-over on DSL-2750E

Step 3: You are now at the DSL-2750E web interface. Click on “Advanced>3G Configuration”.

3G Connection:

The USB Port on DSL-2750E supports compatible 3G dongle connection that can do fail-over when

both ADSL and Ethernet WAN connection is down.

Note:

1. 3G will only trigger to dial when both ADSL & Ethernet WAN is down. Even ADSL is down,

3G will not trigger as long as Ethernet WAN is still on.

2. Please download the latest 3G Dongle Compatibility List from www.dlink.com.sg

1. Plug in the 3G dongle into the USB port of DSL-2750E.

2. Please check that the ‘3G Status’ is shown as ‘Ready’.

3. Click on “Add” button.

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FAQ : How to Configure 3G Fail-over on DSL-2750E

Step 4: Click on “Enable 3G Service” checkbox.

Select your country and the ISP profile name of the SIM card that you insert into the 3G dongle.

If your ISP profile is not in the list, please contact your ISP to configure the parameters manually.

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