Lancom DSL/I-1611, Manual

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Troubleshooting
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LANCOM Office
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EN
9 Troubleshooting
In this chapter, you will find suggestions and assistance for a few common
difficulties.
9.1 No DSL connection is established
After startup, the router automatically attempts to connect to the DSL pro-
vider. During this process, the WAN link LED will blink green. If successful,
the LED will switch over to steady green. If, however, the connection can't be
established, the WAN link LED will light up red. The reason for this is usually
one of the following :
Problems with cabling for DSL?
Only the cable provided with your device should be used to connect to DSL.
This cable must be connected to the Ethernet port of your DSL modem.
Selected interface is activated?
WAN Interface (DSL and/or ISDN) is activated in the Default settings. Please
check this under:
9.2 DSL data transfer is slow
The data transfer rate of an Internet or DSL connection is dependent upon
numerous factors, most of which are outside of one's own sphere of influ-
ence. Important factors aside from the bandwidth of one's own Internet con-
nection are the Internet connection and current load of the desired target.
Numerous other factors involving the Internet itself can also influence the
transfer rate.
Increasing the TCP/IP window size under Windows
If the actual transfer rate of a DSL connection is significantly below the fast-
est rate listed by the provider, there are only a few possible causes (apart
Configuration tool Run command
LANconfig Management / Interfaces / Interface settings / Interface
WEBconfig Expert Configuration / Setup / Interfaces / Interface