Brand: SIEMENS
Category: Telephone
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for SL2-141/SL2-141-I
Uploaded: Nov. 21, 2025, 7:59 p.m.
Manual Publish Date: 2007-03-30
Warranty Information
No specific warranty period is mentioned in the provided pages.
Basic Operation
The ADSL Router connects your home or office to the Internet via ADSL technology. It provides both data and voice services simultaneously over a single phone line.
Key features include:
- ADSL2/ADSL2+ support with backward compatibility to ADSL.
- 802.11g wireless LAN capabilities.
- Rich routing functions for network access.
- Various security features like WEP, WPA/WPA2, and firewall.
- Easy configuration via a web-based manager.
- USB connectivity for certain models.
To use the router, you need to subscribe to an ADSL service from your ISP. The router can be configured to use dynamic or static IP addresses.
Troubleshooting and error codes
| Error Message | Possible Cause | Action |
|---|---|---|
| All the ADSL LEDs light up and cannot light off as usual. | When users execute firmware upgrade and save settings to the router, the power for the router is lost for some unknown reasons, the normal web page for the router might be damaged. After power on your router, the LEDs might not work normally. | None specified, likely requires firmware reflash or reset. |
| Image uploading failed. The selected file contains an illegal image. | The firmware file format is invalid. | Check the file format is correct, otherwise download a firmware file with correct format. |
| Image uploading failed. The system is out of memory. | It may be caused by the lack of memory. | Reboot your ADSL Router and perform the upgrade task again. |
| Image uploading failed. No image file was selected. | You did not select a file correctly. | Download a compatible firmware from the web. |