User's Manual
48
Cannot login to
console
Invalid username and/or
password
Use valid username and password. If username and/or
password are lost, perform factory default reset using factory
reset switch. Factory default value of username and password
are both admin
C.4 IP Address Troubleshooting
Problem Cause Action
Use serial console to find IP address Cannot find IP
address of the
LS100W
Use HelloDeviceManager program to probe the LS100W on the
network
The LS100W is not
assigned valid IP
address
Use serial console to assign valid IP address to the LS100W HelloDeviceManager
cannot probe the
LS100W
HelloDeviceManager
and the LS100W are not
on the same subnet
Run HelloDeviceManager on the PC that is on the same subnet
with the LS100W
C.5 DHCP Troubleshooting
Problem Cause Action
Cannot lease IP
address
DHCP server is not
working
Check if DHCP server is working correctly
IP address of the
LS100W is changed
DHCP server does not
extend lease time
Check if DHCP server is working correctly
C.6 TCP Server Mode Operation Troubleshooting
Problem Cause Action
IP configuration of
remote host is invalid
Check if IP configuration of the remote host is valid
Host mode of the
LS100W serial port is
not TCP server
Change the host mode of the LS100W serial port to TCP server
or TCP server/client
IP address of the
LS100W or TCP port
number is wrong
Specify valid IP address and TCP port number of the LS100W
DSR option is set but
DSR input is not high
Disable DSR option or make DSR input of the LS100W high
Cannot connect to
the LS100W
TCP connection with
the other host is
established already
Close established TCP connection or connect later










