6Harmonics Inc GWS-4012-23 Manuel D’Utilisation
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32
22 Troubleshooting
Table 1 shows some troubleshooting tips to help resolve some issues often seen during setup
Table 1 - Troubleshooting
Symptoms
Possible Cause
Actions
Details
Ping
192.168.1.1
timeout
192.168.1.1
timeout
POE cables or power
cord are not properly
connected
cord are not properly
connected
Check to see if both
POE LEDs are on.
POE LEDs are on.
AC LED not on
– AC power cord
not plugged
POUT LED not on
POUT LED not on
– POE Ethernet
cable not connected to BOX RJ-45
connector.
connector.
Check to see if PC
Link LED is on and
blinking
Link LED is on and
blinking
PC Ethernet cable not properly
connected
connected
PC IP Address not on
the same subnet of
192.168.1.xx
the same subnet of
192.168.1.xx
On DOS prompt, use
ipconfig command to
check if PC IP is
properly configured
ipconfig command to
check if PC IP is
properly configured
Go back to network properties to
reconfigure static IP
reconfigure static IP
Cannot ping
box with new
IP after re-
configure
box’s IP
box with new
IP after re-
configure
box’s IP
New IP may not take
effect
effect
Reset the box
Power down/up to reboot the box
Try to ping with old IP
Try to ping and log in with old IP,
then reconfigure IP
then reconfigure IP
Cannot
establish
radio link
establish
radio link
Does TX/RX on
Does monitor show
radio READY?
radio READY?
If status shows radio not ready, try
to turn tx on by typing “txon” on
telnet shell.
to turn tx on by typing “txon” on
telnet shell.
Does both CAR and
EAR working on the
same RF settings
EAR working on the
same RF settings
Use monitor to check
the RF settings
the RF settings
Checking region number, channel
number to see if they are same
number to see if they are same
Signal too Strong
Lower TX Power
Lowering TX Power by log into
telnet shell, and adjust power by
using “settxpwr” command
telnet shell, and adjust power by
using “settxpwr” command
Signal too weak
Increase TX Power
Increasing TX Power by log into
telnet shell, and adjust power by
using “settxpwr” command
telnet shell, and adjust power by
using “settxpwr” command
Interference
– the
current channel has
strong interference or
not clean
strong interference or
not clean
Change to different
channel
channel
Change to different channel in
telnet shell
telnet shell
Link
Performance
not good
Performance
not good
Link not balanced,
signal too weak or
strong
signal too weak or
strong
Adjusting TX power
Increasing or lowering TX power to
adjust RSSI and MCS to a good
range of -60dbm ~ -75dbm
adjust RSSI and MCS to a good
range of -60dbm ~ -75dbm
BTS or CPE
is showing
"No Valid
Channel List"
is showing
"No Valid
Channel List"
The registration info
is incomplete, or the
BTS or CPE cannot
reach the database
is incomplete, or the
BTS or CPE cannot
reach the database
Double check
registration info.
Ensure the nodes can
reach the database.
registration info.
Ensure the nodes can
reach the database.