User's Manual

Chapter 26 Troubleshooting
B222s User’s Guide
177
• Reduce wireless int erference t hat m ay be caused by ot her wir eless net works or sur rounding
wir eless electronics such as cordless phones.
• Place t he AP where t here are m inim um obstacles ( such as walls and ceilings) bet ween t he AP and
the wireless client .
• Reduce t he num ber of wireless client s connecting to t he sam e AP sim ultaneously, or add
addit ional APs if necessary.
• Try closing som e program s that use t he I nternet , especially peer- t o-peer applications. I f t he
wir eless client is sending or receiving a lot of inform at ion, it m ay have too m any pr ogram s open
that use t he I nternet .
What wireless security m odes does m y LTE Device support ?
Wireless securit y is vit al to your network. I t prot ects com m unicat ions between w ireless stat ions,
access points and t he wired net work.
The available security m odes in your device are as follows:
• W PA2 - PSK: (recom m ended) This uses a pre- shared key wit h t he WPA2 standard.
• W PA- PSK: This has t he device use eit her WPA- PSK or WPA2- PSK depending on which securit y
m ode t he wireless client uses.
• W PA2 : WPA2 (I EEE 802.11i) is a wireless security standar d that defines stronger encrypt ion,
authent icat ion and key m anagem ent than WPA. I t requires t he use of a RADI US server and is
m ost ly used in business net works.
• W PA: Wi-Fi Protect ed Access ( WPA) is a subset of the I EEE 802.11i standard. I t requires the use
of a RADI US server and is m ost ly used in business networks.
• W EP: Wired Equivalent Privacy ( WEP) encrypt ion scram bles t he data t ransm itt ed bet ween t he
wir eless stat ions and t he access point s t o keep net work com m unicat ions private.
26.6 Phone Calls and VoIP
The t elephone port won’t work or t he t elephone lacks a dial t one.
1 Check the t elephone connection and t elephone wire.
I can access t he I nt ernet , but cannot m ake VoI P calls.
1 The PH ON E light should com e on. Make sure t hat your t elephone is connect ed t o the PH ON E port .
2 You can also check the VoI P st at us in t he Syst e m I nfo screen.