5 Equipment Check and Troubleshooting
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5.3 FAQ and Solutions
1、 WLAN Signal strength is too low, which will result in sl ow network speed a nd long
delay time, make troubleshooting as the following aspects:
BXM2/5 cannot be visible with AP due to a big shelter, need to adjust the fix
direction of BXM2/5.
Front of BXM2/5 straight on AP, need to adjust BXM2/5 horizontal direction.
BXM2/5 is fixed on the window, which will result in planar interruption, need to
re-select a better position.
To check the BXM2/5 Tx power is set to the max value.
Note：Please refer to user manual section 3.4.1 RF settings for details.
2、 Equipment cannot start-up normally.
Ethernet cable length connected BXM2/5 and PoE is suggested to be within 40 m.
Ethernet cable quality cannot reach five forms of IP address standard, it may affect
the throughput performance of BXM2/5.
Ethernet cable crystal point crimping loose causes the wrong line order, need to
redo the crystal point.
3、 When PC PING the equipment, there are problems of address package loss and
long time delay.
Open terminal isolation function of AP, try to do troubleshooting.
Do port isolation among APs which linked to the same switch machine.
Ethernet crystal point does not connect well, need to redo the crystal point.
4、 The SSID signal which BXM2/5 has scanne d is unstable and with a poor ne twork
quality.
Check equipment signal strength received, adjust equipment position and height,
and ensure the equipment receive a stronger signal strength.
Shift the channel, to avoid the same or adjacent frequency interference.
Note：Please refer to user manual section 3.3.2 WLAN running status for details,
RSSI is strong enough or not, ensure over -75dBm.
5、 Be unable to dial online (return error code 678).
If the logical link between Local connection and authentication service disconnect,
need to redial.
Do troubleshooting to the network connection and physical connection.
Note ： Please refer to maintenance manua l section 2.2 network checkout and
troubleshooting for details.
6、 The network is always offline and in low network speed.
Reset the BXM2/5, then to check the network recover to normal status.
Contact the administrator to make troubleshooting of AP problems.
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