3Com 3C840 manual LAN Connection Problems, IP Wizard and Web Browser Problems

LAN Connection Problems 13-3

LAN Connection Problems

Symptom Possible Causes Corrective Action

The LAN LED is Off. The OfficeConnect Remote 840 Manager Interface status indicates Ethernet interface is down.

The LAN cable is not connected.

The LAN cable has been damaged.

The MDI/X switch on the back of the unit is set for connecting Port 1 to a single workstation but the cable is connected to a hub (or vice versa).

Check that one end of the LAN cable is fully plugged into the LAN port. Check that the other end is fully plugged into the local LAN connection.

Replace the cable with another LAN cable.

Press the switch in to connect to a hub and out to connect to a workstation.

IP Wizard and Web Browser Problems

Symptom	Possible Causes	Corrective Action
The IP Wizard does not	There is a LAN	See “LAN Connection Problems”.
find the OfficeConnect	connection problem.
Remove 840 on the
local LAN.
	The OfficeConnect	Only unconfigured OfficeConnect
	Remove 840 already	Remote 840s are detected using the
	has an IP address.	IP Wizard. If your OfficeConnect
		Remote 840 has a LAN IP address
		already assigned, it will not appear
		in the IP Wizard list.