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110584_LC-1751-UMTS-MANUAL-EN.book Page 65 Tuesday, February 26, 2008 5:16 PM
9 Troubleshooting
In this chapter, you will find suggestions and assistance for a few common dif-
ficulties.
9.1
No DSL connection is established
After start-up the router automatically attempts to connect to the DSL provi-
der. If successful, the LED will switch over to steady green. The reason for this
is usually one of the following:
Problems with the cabling?
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 broadband access
device.
Has the correct transfer protocol been selected?
The transfer protocol is set along with the basic settings. The basic setup
wizard will enter the correct settings for numerous DSL providers automati-
cally. Only if your DSL provider is not listed, you will have to enter manually
the protocol being used. In any case, the protocol that your DSL provider sup-
plies you with should definitely work.
You can monitor and correct the protocol settings under:
Configuration tool
LANconfig
WEBconfig
9.2
DSL data transfer is slow
The data transfer rate of an broadband (Internet) DSL connection is dependent
upon numerous factors, most of which are outside of one's own sphere of
influence. Important factors aside from the bandwidth of one's own Internet
connection are the Internet connection and current load of the desired target.
Numerous other factors involving the Internet itself can also influence the
transfer rate.
Chapter 9: Troubleshooting
Run command
Management
Interfaces
Interface settings
face
Expert Configuration
Setup
Interfaces
LANCOM 1751 UMTS
WAN Inter-
WAN Interface
65
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