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C.4 ip address troubleshooting, C.5 dhcp troubleshooting, C.6 tcp server mode operation troubleshooting – SENA LS100M-SK User Manual

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47

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
LS100M

Use HelloDeviceManager program to probe the LS100M on the
network

The LS100M is not
assigned valid IP
address

Use serial console to assign valid IP address to the LS100M

HelloDeviceManager
cannot probe the
LS100M

HelloDeviceManager
and the LS100M are not
on the same subnet

Run HelloDeviceManager on the PC that is on the same subnet
with the LS100M

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
LS100M 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
LS100M serial port is
not TCP server

Change the host mode of the LS100M serial port to TCP server
or TCP server/client

IP address of the
LS100M or TCP port
number is wrong

Specify valid IP address and TCP port number of the LS100M

DSR option is set but
DSR input is not high

Disable DSR option or make DSR input of the LS100M high

Cannot connect to
the LS100M

TCP connection with
the other host is
established already

Close established TCP connection or connect later