6Right-click on the icon for your WiMAX Device and select Properties. A properties
window displays with basic information about the WiMAX Device.
Figure 121 Network Connections: My Network Places: Properties: Example
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Chapter 20The UPnP Screen
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CHAPTER21
The Status Screen
21.1 Overview
Use this screen to view a complete summary of your WiMAX Device connection
status.
21.2 Status Screen
Click the STATUS icon in the navigation bar to go to this screen, where you can
view the current status of the device, system resources, interfaces (LAN and
WAN), and SIP accounts. You can also register and un-register SIP accounts as
well as view detailed information from DHCP and statistics from WiMAX, VoIP,
bandwidth management, and traffic.
Figure 122 Status
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The following tables describe the labels in this screen.
Table 113 Status
LABELDESCRIPTION
Refresh IntervalSelect how often you want the WiMAX Device to update this screen.
Refresh NowClick this to update this screen immediately.
Device Information
System NameThis field displays the WiMAX Device system name. It is used for
Firmware
Version
WAN Information
IP AddressThis field displays the current IP address of the WiMAX Device in the
IP Subnet MaskThis field displays the current subnet mask on the WAN.
DHCPThis field displays what DHCP services the WiMAX Device is using in the
identification.
You can change this in the ADVANCED > System Configuration >
General screen’s System Name field.
This field displays the current version of the firmware inside the device.
It also shows the date the firmware version was created.
You can change the firmware version by uploading new firmware in
ADVANCED > System Configuration > Firmware.
WAN.
WAN. Choices are:
Client - The WiMAX Device is a DHCP client in the WAN. Its IP
address comes from a DHCP server on the WAN.
None - The WiMAX Device is not using any DHCP services in the
WAN. It has a static IP address.
LAN Information
IP AddressThis field displays the current IP address of the WiMAX Device in the
IP Subnet MaskThis field displays the current subnet mask in the LAN.
DHCPThis field displays what DHCP services the WiMAX Device is providing to
WiMAX Information
Operator IDEvery WiMAX service provider has a unique Operator ID number, which
BSIDThis field displays the identification number of the wireless base station
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LAN.
the LAN. Choices are:
Server - The WiMAX Device is a DHCP server in the LAN. It assigns
IP addresses to other computers in the LAN.
Relay - The WiMAX Device is routing DHCP requests to one or more
DHCP servers. The DHCP server(s) may be on another network.
None - The WiMAX Device is not providing any DHCP services to the
LAN.
You can change this in ADVANCED > LAN Configuration > DHCP Setup.
is broadcast by each base station it owns. You can only connect to the
Internet through base stations belonging to your service provider’s
network.
to which the WiMAX Device is connected. Every base station transmits a
unique BSID, which identifies it across the network.
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Table 113 Status (continued)
LABELDESCRIPTION
Cell IDA base station’s coverage area can be divided into multiple cells. This
field shows the identification number of the cell in which the WiMAX
Device is connected.
FrequencyThis field displays the radio frequency of the WiMAX Device’s wireless
connection to a base station.
MAC addressThis field displays the Media Access Control address of the WiMAX
Device. Every network device has a unique MAC address which
identifies it across the network.
WiMAX StateThis field displays the status of the WiMAX Device’s current connection.
• INIT: the WiMAX Device is starting up.
• DL_SYN: The WiMAX Device is unable to connect to a base station.
• RANGING: the WiMAX Device and the base station are transmitting
and receiving information about the distance between them.
Ranging allows the WiMAX Device to use a lower transmission power
level when communicating with a nearby base station, and a higher
transmission power level when communicating with a distant base
station.
• CAP_NEGO: the WiMAX Device and the base station are exchanging
information about their capabilities.
• AUTH: the WiMAX Device and the base station are exchanging
security information.
• REGIST: the WiMAX Device is registering with a RADIUS server.
• OPERATIONAL: the WiMAX Device has successfully registered with
the base station. Traffic can now flow between the WiMAX Device
and the base station.
• IDLE: the WiMAX Device is in power saving mode, but can connect
when a base station alerts it that there is traffic waiting.
BandwidthThis field shows the size of the bandwidth step the WiMAX Device uses
to connect to a base station in megahertz (MHz).
CINR meanThis field shows the average Carrier to Interference plus Noise Ratio of
the current connection. This value is an indication of overall radio signal
quality. A higher value indicates a higher signal quality, and a lower
value indicates a lower signal quality.
CINR deviationThis field shows the amount of change in the CINR level. This value is
RSSIThis field shows the Received Signal Strength Indication. This value is a
an indication of radio signal stability. A lower number indicates a more
stable signal, and a higher number indicates a less stable signal.
measurement of overall radio signal strength. A higher RSSI level
indicates a stronger signal, and a lower RSSI level indicates a weaker
signal.
A strong signal does not necessarily indicate a good signal: a strong
signal may have a low signal-to-noise ratio (SNR).
UL Data RateThis field shows the number of data packets uploaded from the WiMAX
Device to the base station each second.
DL Data RateThis field shows the number of data packets downloaded to the WiMAX
Device from the base station each second.
PERThis field shows the Packet Error Rate. The PER is the percentage of
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data packets transmitted across the network but not successfully
received.
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Table 113 Status (continued)
LABELDESCRIPTION
Tx PowerThis field shows the output transmission (Tx) level of the WiMAX
System Status
System UptimeThis field displays how long the WiMAX Device has been running since it
Current Date/
Time
CPU UsageThis field displays what percentage of the WiMAX Device’s processing
Memory UsageThis field displays what percentage of the WiMAX Device’s memory is
IVR UsageThis field displays what percentage of the WiMAX Device’s IVR memory
Interface Status
InterfaceThis column displays each interface of the WiMAX Device.
StatusThis field indicates whether or not the WiMAX Device is using the
Device.
last started up. The WiMAX Device starts up when you plug it in, when
you restart it (ADVANCED > System Configuration > Restart), or
when you reset it.
This field displays the current date and time in the WiMAX Device. You
can change this in SETUP > Time Setting.
ability is currently being used. The higher the CPU usage, the more
likely the WiMAX Device is to slow down. You can reduce this by
disabling some services, such as DHCP, NAT, or content filtering.
currently used. The higher the memory usage, the more likely the
WiMAX Device is to slow down. Some memory is required just to start
the WiMAX Device and to run the web configurator. You can reduce the
memory usage by disabling some services (see CPU Usage); by
reducing the amount of memory allocated to NAT and firewall rules (you
may have to reduce the number of NAT rules or firewall rules to do so);
or by deleting rules in functions such as incoming call policies, speed
dial entries, and static routes.
is currently used. IVR (Interactive Voice Response) refers to the
customizable ring tone and on-hold music you set.
interface.
For the WAN interface, this field displays Up when the WiMAX Device is
connected to a WiMAX network, and Down when the WiMAX Device is
not connected to a WiMAX network.
For the LAN interface, this field displays Up when the WiMAX Device is
using the interface and Down when the WiMAX Device is not using the
interface.
RateFor the LAN ports this displays the port speed and duplex setting.
For the WAN interface, it displays the downstream and upstream
transmission rate or N/A if the WiMAX Device is not connected to a
base station.
For the WLAN interface, it displays the transmission rate when WLAN is
enabled or N/A when WLAN is disabled.
Summary
Packet
Statistics
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WiMAX Site
Information
256
Click this link to view port status and packet specific statistics.
Click this link to view details of the radio frequencies used by the
WiMAX Device to connect to a base station.
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Table 113 Status (continued)
LABELDESCRIPTION
DHCP TableClick this link to see details of computers to which the WiMAX Device
has given an IP address.
VoIP StatisticsClick this link to view statistics about your VoIP usage.
WiMAX ProfileClick this link to view details of the current wireless security settings.
VoIP Status
AccountThis column displays each SIP account in the WiMAX Device.
RegistrationThis field displays the current registration status of the SIP account.
You have to register SIP accounts with a SIP server to use VoIP.
If the SIP account is already registered with the SIP server,
Click Unregister to delete the SIP account’s registration in the SIP
server. This does not cancel your SIP account, but it deletes the
mapping between your SIP identity and your IP address or domain
name.
The second field displays Registered.
If the SIP account is not registered with the SIP server,
Click Register to have the WiMAX Device attempt to register the SIP
account with the SIP server.
The second field displays the reason the account is not registered.
Inactive - The SIP account is not active. You can activate it in VOICE
> SIP > SIP Settings.
Register Fail - The last time the WiMAX Device tried to register the SIP
account with the SIP server, the attempt failed. The WiMAX Device
automatically tries to register the SIP account when you turn on the
WiMAX Device or when you activate it.
URIThis field displays the account number and service domain of the SIP
account. You can change these in VOICE > SIP > SIP Settings.
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21.2.1 Packet Statistics
Click Status > Packet Statistics to open this screen. This read-only screen
displays information about the data transmission through the WiMAX Device. To
configure these settings, go to the corresponding area in the Advanced screens.
Figure 123 Packet Statistics
The following table describes the fields in this screen.
Table 114 Packet Statistics
LABELDESCRIPTION
PortThis column displays each interface of the WiMAX Device.
StatusThis field indicates whether or not the WiMAX Device is using the
TxPkts This field displays the number of packets transmitted on this interface.
RxPkts This field displays the number of packets received on this interface.
CollisionsThis field displays the number of collisions on this port.
Tx B/s This field displays the number of bytes transmitted in the last second.
Rx B/sThis field displays the number of bytes received in the last second.
Up Time This field displays the elapsed time this interface has been connected.
System up TimeThis is the elapsed time the system has been on.
Poll Interval(s)Type the time interval for the browser to refresh system statistics.
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Set IntervalClick this button to apply the new poll interval you entered in the Poll
StopClick this button to halt the refreshing of the system statistics.
interface.
For the WAN interface, this field displays the port speed and duplex
setting when the WiMAX Device is connected to a WiMAX network, and
Down when the WiMAX Device is not connected to a WiMAX network.
For the LAN interface, this field displays the port speed and duplex
setting when the WiMAX Device is using the interface and Down when
the WiMAX Device is not using the interface.
For the WLAN interface, it displays the transmission rate when WLAN
is enabled or Down when WLAN is disabled.
Interval field above.
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21.2.2 WiMAX Site Information
Click Status > WiMAX Site Information to open this screen. This read-only
screen shows WiMAX frequency information for the WiMAX Device. These settings
can be configured in the ADVANCED > WAN Configuration > WiMAX Configuration screen.
Figure 124 WiMAX Site Information
Chapter 21The Status Screen
The following table describes the labels in this screen.
Table 115 WiMAX Site Information
LABELDESCRIPTION
DL Frequency
[0] ~ [19]
These fields show the downlink frequency settings in kilohertz
(kHz). These settings determine how the WiMAX Device searches
for an available wireless connection.
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21.2.3 DHCP Table
Click Status > DHCP Table to open this screen. This read-only screen shows the
IP addresses, Host Names and MAC addresses of the devices currently connected
to the WiMAX Device. These settings can be configured in the ADVANCED > LAN Configuration > DHCP Setup screen.
Figure 125 DHCP Table
Each field is described in the following table.
Table 116 DHCP Table
LABELDESCRIPTION
#The number of the item in this list.
IP AddressThis field displays the IP address the WiMAX Device assigned to a
Host NameThis field displays the system name of the computer to which the
MAC AddressThis field displays the MAC address of the computer to which the
RefreshClick this button to update the table data.
computer in the network.
WiMAX Device assigned the IP address.
WiMAX Device assigned the IP address.
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21.2.4 VoIP Statistics
Click Status > DHCP Table to open this screen. This read-only screen shows SIP
registration information, status of calls and VoIP traffic statistics. These settings
can be configured in the VOICE > Service Configuration > SIP Setting screen.
Figure 126 VoIP Statistics
Chapter 21The Status Screen
Each field is described in the following table.
Table 117 VoIP Statistics
LABELDESCRIPTION
SIP Status
PortThis column displays each SIP account in the WiMAX Device.
StatusThis field displays the current registration status of the SIP account.
You can change this in the Status screen.
Registered - The SIP account is registered with a SIP server.
Register Fail - The last time the WiMAX Device tried to register the SIP
account with the SIP server, the attempt failed. The WiMAX Device
automatically tries to register the SIP account when you turn on the
WiMAX Device or when you activate it.
Inactive - The SIP account is not active. You can activate it in VOICE
> SIP > SIP Settings.
Last
Registration
URIThis field displays the account number and service domain of the SIP
ProtocolThis field displays the transport protocol the SIP account uses. SIP
Message
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Waiting
Last Incoming
Number
This field displays the last time you successfully registered the SIP
account. It displays N/A if you never successfully registered this
account.
account. You can change these in VOICE > SIP > SIP Settings.
accounts always use UDP.
This field indicates whether or not there are any messages waiting for
the SIP account.
This field displays the last number that called the SIP account. It
displays N/A if no number has ever dialed the SIP account.
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Table 117 VoIP Statistics
LABELDESCRIPTION
Last Outgoing
Number
Call Statistics
PhoneThis field displays the WiMAX Device’s phone port number.
HookThis field indicates whether the phone is on the hook or off the hook.
StatusThis field displays the current state of the phone call.
CodecThis field displays what voice codec is being used for a current VoIP call
Peer NumberThis field displays the SIP number of the party that is currently engaged
DurationThis field displays how long the current call has lasted.
Tx PktsThis field displays the number of packets the WiMAX Device has
Rx PktsThis field displays the number of packets the WiMAX Device has
Tx B/sThis field displays how quickly the WiMAX Device has transmitted
Rx B/sThis field displays how quickly the WiMAX Device has received packets
Poll Interval(s)Enter how often you want the WiMAX Device to update this screen, and
Set IntervalClick this to make the WiMAX Device update the screen based on the
StopClick this to make the WiMAX Device stop updating the screen.
This field displays the last number the SIP account called. It displays
N/A if the SIP account has never dialed a number.
On - The phone is hanging up or already hung up.
Off - The phone is dialing, calling, or connected.
N/A - There are no current VoIP calls, incoming calls or outgoing calls
being made.
DIAL - The callee’s phone is ringing.
RING - The phone is ringing for an incoming VoIP call.
Process - There is a VoIP call in progress.
DISC - The callee’s line is busy, the callee hung up or your phone was
left off the hook.
through a phone port.
in a VoIP call through a phone port.
transmitted in the current call.
received in the current call.
packets in the current call. The rate is the average number of bytes
transmitted per second.
in the current call. The rate is the average number of bytes transmitted
per second.
click Set Interval.
amount of time you specified in Poll Interval.
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21.2.5 WiMAX Profile
Click Status > WiMAX Profile to open this screen. This read-only screen displays
information about the security settings you are using. To configure these settings,
go to the ADVANCED > WAN Configuration > Internet Connection screen.
Note: Not all WiMAX Device models have all the fields shown here.
Figure 127 WiMAX Profile
Chapter 21The Status Screen
The following table describes the labels in this screen.
Table 118 The WiMAX Profile Screen
LABELDESCRIPTION
UserThis is the username for your Internet access account.
PasswordThis is the password for your Internet access account. The
password displays as a row of asterisks for security purposes.
Anonymous IdentityThis is the anonymous identity provided by your Internet Service
Provider. Anonymous identity (also known as outer identity) is
used with EAP-TTLS encryption.
PKMThis field displays the Privacy Key Management version number.
PKM provides security between the WiMAX Device and the base
station. See the WiMAX security appendix for more information.
AuthenticationThis field displays the user authentication method. Authentication
is the process of confirming the identity of a user (by means of a
username and password, for example).
EAP-TTLS allows an MS/SS and a base station to establish a
secure link (or ‘tunnel’) with an AAA (Authentication, Authorization
and Accounting) server in order to exchange authentication
information. See the WiMAX security appendix for more details.
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Table 118 The WiMAX Profile Screen (continued)
LABELDESCRIPTION
TTLS Inner EAPThis field displays the type of secondary authentication method.
Auth ModeThis is the authentication mode. The WiMAX Device supports the
CertificateThis is the security certificate the WiMAX Device uses to
Once a secure EAP-TTLS connection is established, the inner EAP
is the protocol used to exchange security information between the
mobile station, the base station and the AAA server to
authenticate the mobile station. See the WiMAX security appendix
for more details.
The WiMAX Device supports the following inner authentication
types:
• CHAP (Challenge Handshake Authentication Protocol)
• MSCHAP (Microsoft CHAP)
• MSCHAPV2 (Microsoft CHAP version 2)
• PAP (Password Authentication Protocol)
following authentication modes:
• User Only
• Device Only with Cert
• Certs and User Authentication
authenticate the AAA server, if one is available.
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PART VI
Troubleshooting
and Specifications
Troubleshooting (267)
Product Specifications (275)
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CHAPTER22
Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The
potential problems are divided into the following categories:
• Power, Hardware Connections, and LEDs
• WiMAX Device Access and Login
• Internet Access
• Phone Calls and VoIP
• Reset the WiMAX Device to Its Factory Defaults
22.1 Power, Hardware Connections, and LEDs
The WiMAX Device does not turn on. None of the LEDs turn on.
1Make sure you are using the power adapter or cord included with the WiMAX
Device.
2Make sure the power adapter or cord is connected to the WiMAX Device and
plugged in to an appropriate power source. Make sure the power source is turned
on.
3Disconnect and re-connect the power adapter or cord to the WiMAX Device.
4If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
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1Make sure you understand the normal behavior of the LED. See Section 1.2.1 on
page 34 for more information.
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2Check the hardware connections. See the Quick Start Guide.
3Inspect your cables for damage. Contact the vendor to replace any damaged
cables.
4Disconnect and re-connect the power adapter to the WiMAX Device.
5If the problem continues, contact the vendor.
22.2 WiMAX Device Access and Login
I forgot the IP address for the WiMAX Device.
1The default IP address is http://192.168.100.1.
2If you changed the IP address and have forgotten it, you might get the IP address
of the WiMAX Device by looking up the IP address of the default gateway for your
computer. To do this in most Windows computers, click Start > Run, enter cmd,
and then enter ipconfig. The IP address of the Default Gateway might be the IP
address of the WiMAX Device (it depends on the network), so enter this IP address
in your Internet browser.
3If this does not work, you have to reset the WiMAX Device to its factory defaults.
See Section 22.1 on page 267.
I forgot the password.
1The default password is 1234.
2If this does not work, you have to reset the WiMAX Device to its factory defaults.
See Section 11.5 on page 142.
I cannot see or access the Login screen in the web configurator.
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1Make sure you are using the correct IP address.
• The default IP address is http://192.168.100.1.
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• If you changed the IP address (Section 5.2 on page 68), use the new IP
address.
• If you changed the IP address and have forgotten it, see the troubleshooting
suggestions for I forgot the IP address for the WiMAX Device.
2Check the hardware connections, and make sure the LEDs are behaving as
expected. See the Quick Start Guide and Section 1.2.1 on page 34.
3Make sure your Internet browser does not block pop-up windows and has
JavaScript and Java enabled. See Appendix D on page 327.
4If there is a DHCP server on your network, make sure your computer is using a
dynamic IP address. Your WiMAX Device is a DHCP server by default.
If there is no DHCP server on your network, make sure your computer’s IP
address is in the same subnet as the WiMAX Device. See Appendix E on page 337.
5Reset the WiMAX Device to its factory defaults, and try to access the WiMAX
Device with the default IP address. See Section 11.6 on page 143.
6If the problem continues, contact the network administrator or vendor, or try one
of the advanced suggestions.
Advanced Suggestions
• Try to access the WiMAX Device using another service, such as Telnet. If you
can access the WiMAX Device, check the remote management settings and
firewall rules to find out why the WiMAX Device does not respond to HTTP.
• If your computer is connected wirelessly, use a computer that is connected to a
LAN/ETHERNET port.
I can see the Login screen, but I cannot log in to the WiMAX Device.
1Make sure you have entered the user name and password correctly. The default
user name is admin, and the default password is 1234. These fields are casesensitive, so make sure [Caps Lock] is not on.
2You cannot log in to the web configurator while someone is using Telnet to access
the WiMAX Device. Log out of the WiMAX Device in the other session, or ask the
person who is logged in to log out.
3Disconnect and re-connect the power adapter or cord to the WiMAX Device.
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4If this does not work, you have to reset the WiMAX Device to its factory defaults.
See Section 11.5 on page 142.
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I cannot Telnet to the WiMAX Device.
See the troubleshooting suggestions for I cannot see or access the Login screen in
the web configurator. Ignore the suggestions about your browser.
22.3 Internet Access
I cannot access the Internet.
1Check the hardware connections, and make sure the LEDs are behaving as
expected. See the Quick Start Guide and Section 1.2.1 on page 34.
2Make sure you entered your ISP account information correctly in the wizard.
These fields are case-sensitive, so make sure [Caps Lock] is not on.
3Check your security settings. In the web configurator, go to the Status screen.
Click the WiMAX Profile link in the Summary box and make sure that you are
using the correct security settings for your Internet account.
4Check your WiMAX settings. The WiMAX Device may have been set to search the
wrong frequencies for a wireless connection. In the web configurator, go to the
Status screen. Click the WiMAX Site Information link in the Summary box and
ensure that the values are correct. If the values are incorrect, enter the correct
frequency settings in the ADVANCED > WAN Configuration > WiMAX Configuration screen. If you are unsure of the correct values, contact your
service provider.
5If you are trying to access the Internet wirelessly, make sure the wireless settings
in the wireless client are the same as the settings in the AP.
6Disconnect all the cables from your WiMAX Device, and follow the directions in the
Quick Start Guide again.
7If the problem continues, contact your ISP.
I cannot access the Internet any more. I had access to the Internet (with the
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WiMAX Device), but my Internet connection is not available any more.
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1Check the hardware connections, and make sure the LEDs are behaving as
expected. See the Quick Start Guide and Section 1.2.1 on page 34.
2Disconnect and re-connect the power adapter to the WiMAX Device.
3If the problem continues, contact your ISP.
The Internet connection is slow or intermittent.
1The quality of the WiMAX Device’s wireless connection to the base station may be
poor. Poor signal reception may be improved by moving the WiMAX Device away
from thick walls and other obstructions, or to a higher floor in your building.
2There may be radio interference caused by nearby electrical devices such as
microwave ovens and radio transmitters. Move the WiMAX Device away or switch
the other devices off. Weather conditions may also affect signal quality.
3As well as having an external antenna connector, the MAX-210HW2 is equipped
with an internal directional antenna. If you know the location of the base station,
orient the front of the WiMAX Device (the side with the LEDs) towards the base
station. If you do not know the location of the base station, experiment by moving
the WiMAX Device while observing the Strength Indicator LEDs for an increase
in received signal strength. The MAX-200HW2 and MAX-230HW2 do not have
internal antennas.
4There might be a lot of traffic on the network. Look at the LEDs, and check Section
1.2.1 on page 34. If the WiMAX Device is sending or receiving a lot of information,
try closing some programs that use the Internet, especially peer-to-peer
applications.
5Disconnect and re-connect the power adapter to the WiMAX Device.
6If the problem continues, contact the network administrator or vendor, or try one
of the advanced suggestions.
The Internet connection disconnects.
1Check your WiMAX link and signal strength using the WiMAX Link and Strength
Indicator LEDs on the device.
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2Contact your ISP if the problem persists.
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22.4 Phone Calls and VoIP
The telephone port won’t work or the telephone lacks a dial tone.
1Check the telephone connections and telephone wire.
2Make sure you have the VOICE > Service Configuration > SIP Settings
screen properly configured (Chapter 12 on page 147).
I can access the Internet, but cannot make VoIP calls.
1Make sure you have the VOICE > Service Configuration > SIP Settings
screen properly configured (Chapter 12 on page 147).
2The VoIP LED should come on. Make sure that your telephone is connected to the
VoIP port (see the Quick Start Guide for information on connecting telephone
cables to the these ports).
3You can also check the VoIP status in the Status screen.
4If the VoIP settings are correct, use speed dial to make peer-to-peer calls. If you
cannot make a call using speed dial, there may be something wrong with the SIP
server. Contact your VoIP service provider.
Problems With Multiple SIP Accounts
You can set up two SIP accounts on your WiMAX Device. By default your WiMAX
Device uses SIP account 1 for outgoing calls, and it uses SIP accounts 1 and 2 for
incoming calls. With this setting, you always use SIP account 1 for your outgoing
calls and you cannot distinguish which SIP account the calls are coming in
through. If you want to control the use of different dialing plans for accounting
purposes or other reasons, you need to configure your phone port in order to
control which SIP account you are using when placing or receiving calls.
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22.5 Reset the WiMAX Device to Its Factory
Defaults
If you reset the WiMAX Device, you lose all of the changes you have made. The
WiMAX Device re-loads its default settings, and the password resets to 1234. You
have to make all of your changes again.
You will lose all of your changes when you push the Reset button.
To reset the WiMAX Device,
1Make sure the Power LED is on and not blinking.
2Press and hold the Reset button for five to ten seconds. Release the Reset button
when the Power LED begins to blink. The default settings have been restored.
If the WiMAX Device restarts automatically, wait for the WiMAX Device to finish
restarting, and log in to the web configurator. The password is “1234”.
If the WiMAX Device does not restart automatically, disconnect and reconnect the
WiMAX Device’s power. Then, follow the directions above again.
22.5.1 Pop-up Windows, JavaScripts and Java Permissions
Please see Appendix D on page 327.
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CHAPTER23
Product Specifications
This chapter gives details about your WiMAX Device’s hardware and firmware
features.
Table 119 IDU Hardware Specifications
FEATUREDESCRIPTION
Device NameMAX-306HW2-IDU
Dimension (W x D x H)216 mm x 164 mm x 52 mm
Weight450 g
Power48V DC, 1.25A
Ethernet Ports4 RJ-45 Ethernet ports
Phone Ports2 RJ-11 phone ports
Power over Ethernet (PoE)Provides Power over Ethernet via PoE port.
Wireless LAN AntennaExternal dipole, 2dBi gain.
Wireless LAN Antenna
MAX-316: 3.4-3.6 GHz (5MHz/7MHz/10MHz)
Channel Bandwidth / FFT size5MHz / 512FFT, 7MHz / 1024 FFT and 10MHz / 1024FFT
Sensitivity96dBm @ QPSK 1/2
Data RateAggregate throughput up to 30 Mbps
Maximum Output Power at
Antenna Port
26dBm
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User’s Guide
PART VII
Appendices and
Index
WiMAX Security (279)
Setting Up Your Computer’s IP Address
(283)
Pop-up Windows, JavaScripts and Java
Permissions (327)
IP Addresses and Subnetting (337)
Importing Certificates (349)
SIP Passthrough (381)
Common Services (383)
Legal Information (387)
Customer Support (391)
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278
APPENDIX A
WiMAX Security
Wireless security is vital to protect your wireless communications. Without it,
information transmitted over the wireless network would be accessible to any
networking device within range.
User Authentication and Data Encryption
The WiMAX (IEEE 802.16) standard employs user authentication and encryption to
ensure secured communication at all times.
User authentication is the process of confirming a user’s identity and level of
authorization. Data encryption is the process of encoding information so that it
cannot be read by anyone who does not know the code.
WiMAX uses PKMv2 (Privacy Key Management version 2) for authentication, and
CCMP (Counter Mode with Cipher Block Chaining Message Authentication Protocol)
for data encryption.
WiMAX supports EAP (Extensible Authentication Protocol, RFC 2486) which allows
additional authentication methods to be deployed with no changes to the base
station or the mobile or subscriber stations.
PKMv2
PKMv2 is a procedure that allows authentication of a mobile or subscriber station
and negotiation of a public key to encrypt traffic between the MS/SS and the base
station. PKMv2 uses standard EAP methods such as Transport Layer Security
(EAP-TLS) or Tunneled TLS (EAP-TTLS) for secure communication.
In cryptography, a ‘key’ is a piece of information, typically a string of random
numbers and letters, that can be used to ‘lock’ (encrypt) or ‘unlock’ (decrypt) a
message. Public key encryption uses key pairs, which consist of a public (freely
available) key and a private (secret) key. The public key is used for encryption
and the private key is used for decryption. You can decrypt a message only if you
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have the private key. Public key certificates (or ‘digital IDs’) allow users to verify
each other’s identity.
User’s Guide
279
Appendix AWiMAX Security
RADIUS
RADIUS is based on a client-server model that supports authentication,
authorization and accounting. The base station is the client and the server is the
RADIUS server. The RADIUS server handles the following tasks:
• Authentication
Determines the identity of the users.
• Authorization
Determines the network services available to authenticated users once they are
connected to the network.
• Accounting
Keeps track of the client’s network activity.
RADIUS is a simple package exchange in which your base station acts as a
message relay between the MS/SS and the network RADIUS server.
Types of RADIUS Messages
The following types of RADIUS messages are exchanged between the base station
and the RADIUS server for user authentication:
• Access-Request
Sent by an base station requesting authentication.
• Access-Reject
Sent by a RADIUS server rejecting access.
• Access-Accept
Sent by a RADIUS server allowing access.
• Access-Challenge
Sent by a RADIUS server requesting more information in order to allow access.
The base station sends a proper response from the user and then sends another
Access-Request message.
The following types of RADIUS messages are exchanged between the base station
and the RADIUS server for user accounting:
• Accounting-Request
Sent by the base station requesting accounting.
• Accounting-Response
Sent by the RADIUS server to indicate that it has started or stopped accounting.
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In order to ensure network security, the access point and the RADIUS server use a
shared secret key, which is a password they both know. The key is not sent over
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User’s Guide
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