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Page 21 / 50 Scroll up to view Page 16 - 20
Ambit Broadband
Users Guide
21
and install the correct driver:
Right-click on the
My Computer
icon on your desktop and choose
Properties.
Click the
Device Manager
tab
Click the plus sign next to
Universal Serial Bus controllers
to view the list of installed USB device
drivers
Select
USB Composite Device
and click
Remove
Click
Refresh
The Add New Hardware Wizard window appears, displaying the device name
USB Composite
Device.
Refer to the proper operating system instructions in this chapter for information on
reinstalling the driver properly.
3. All of the LEDs on the front of my modem look correct, but I cannot access the Internet.
Answer: If the POWER, USB, SYNC, and READY are solidly lit, the cable modem is working properly.
Use the following procedures to verify connectivity between the PC and the cable modem:
Launch Your PC
’
s Internet Browser (e.g., Netscape, IE)
into your browser. This URL connects you directly to the web
server within your cable modem. A successful connection indicates that the PC is able to
communicate with the cable modem. The next step is to enter a public URL to ensure
connectivity between the cable modem and your cable service provider. If this fails, please
contact your cable service provider for further assistance.
Try restarting the computer so that it could re-establish a connection with the cable modem.
Power cycle the cable modem by removing the power adapter from the electrical outlet and
plugging it back in. Wait several minutes for the cable modem to re-establish
communications with your cable service provider.
Remove any other USB devices from your computer and connect the cable
modem
’
s USB cable directly to the USB port on your computer.
If you are using a cable splitter, try removing the splitter and connect the cable modem
directly to the cable wall outlet. Wait several minutes for the cable modem to re-establish
communications with your cable service provider.
Your USB or coaxial cable may be damaged. Try using another cable.
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Ambit Broadband
Users Guide
22
If none of these suggestions work, contact your cable service provider for further
assistance.
Uninstalling the USB Driver
Insert the supplied CD into your CD-ROM drive
Click on the
My Computer
icon on your desktop. Then click on the icon that belongs to your
CD-ROM Drive.
Locate the file called
“
setup.exe
”
and click on the file. This program will remove all the
necessary files from your computer.
5. Installing the Modem Using the Ethernet Port
This chapter explains the process for installing your wireless cable modem using the
Ethernet port. Using the Ethernet port allows to you connect multiple computers to a
wireless cable modem through the use of additional equipment which is not included. Please
contact your cable service provider for more information on using multiple computers.
You can use the wireless cable modem
’
s Ethernet port if you have:
A PC running Windows 95 (or later) operating system or a Macintosh computer
running system 7.6 (or later) operating system
An active Ethernet port on your PC
Before you begin, verify that your Network Interface Card (NIC) has been installed and
configured for use with your wireless cable modem. The wireless cable modem requires TCP/IP
to be installed. Contact your cable service provider for assistance with installing and configuring
TCP/IP. After installed the hardware, your computer can connect the wireless cable modem
directly by using Network Interface Card. Unlike USB installation, there is no needed for software
installation for the Ethernet connection.
Installing the Hardware
This section explains how to connect the wireless cable modem to the computer, wall cable outlet,
Page 23 / 50
Ambit Broadband
Users Guide
23
and electrical outlet.
To install the hardware:
1)
Power off the computer
2)
Connect one end of the coaxial cable to the wireless cable modem
’
s cable connector.
Connect the other end of the coaxial cable to the cable wall outlet. Be sure not to bend
or over tighten the cables as this may strain the connector and cause damage. If you
plan to connect the wireless cable modem and television to the same wall outlet, you
must use a cable line splitter (not included).
3)
Connect one end of the Ethernet cable to the wireless cable modem
’
s Ethernet port
and the other end of the cable to the Ethernet port on the PC or network interface card
(NIC).
4)
Plug the wireless cable modem
’
s power adapter into the wireless cable modem
’
s
power jack and into a wall outlet or surge protector.
5)
If the pwr, sync, ready, and ethernet LEDs are solidly lit, the wireless cable modem is
working properly.
Troubleshooting the Ethernet Installation
1. None of the LEDs are on when I power on the Wireless LAN Cable Modem.
Check the connection between the power adapter and the cable modem. Power off the Wireless
LAN Cable Modem and wait for 5 seconds and power on the modem again. If the problem still
exists, you may have a hardware problem.
2. The ethernet 1 or 2 or 3 or 4 LED on my wireless cable modem is not lit.
Try restarting the computer so that is could re-establish a connection with the
wireless cable modem.
Check for a resource conflict (Windows users only). To do this:
1)
Right-click on the
My Computer
icon on your desktop and choose
Properties.
2)
Click the
Device Manager
tab and look for a yellow exclamation point or red
X over the NIC in the
Network Adapters
field. If you see either one, you may
have an IRQ conflict. Refer to the manufacturer
’
s documentation or you
cable service provider for further assistance.
Verify that TCP/IP is the default protocol for your network interface card (NIC)
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Ambit Broadband
Users Guide
24
Power cycle the wireless cable modem by removing the power adapter from the
electrical outlet and plugging it back in. Wait several minutes for the wireless cable
modem to re-establish communications with your cable service provider.
Your Ethernet cable may be damaged. Try another cable.
3. All of the LEDs on the front of my modem look correct, but I cannot access the Internet.
If the pwr, sync, and ready LEDs are solidly lit, the wireless cable modem is
working properly. Try restarting the computer so that is could re-establish a
connection with the wireless cable modem.
Power cycle the wireless cable modem by removing the power adapter from the
electrical outlet and plugging it back in. Wait several minutes for the wireless cable
modem to re-establish communications with your cable service provider.
If your PC is connected to a hub or gateway, try connecting the PC directly into
the wireless cable modem.
If you are using a cable splitter, try removing the splitter and connect the wireless
cable modem directly to the cable wall outlet. Wait several minutes for the wireless
cable modem to re-establish communications with your cable service provider.
Your Ethernet or coaxial cable may be damaged. Try using another cable.
If none of these suggestions work, contact your cable service provider for further
assistance.
6. Wireless Cable Modem LEDs and Connectors
This chapter describes the functions of the wireless cable modem
’
s LEDs and connectors.
When the pwr, sync, and ready LEDs are lit, the wireless cable modem is working properly. The
usb or enet 1, 2, 3, 4 LEDs should also be lit depending on what port is being used.
The following provides an overview of the LED indicator lights on the front of the wireless cable
modem and what the LEDs mean.
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Ambit Broadband
Users Guide
25
LEDs on the Front of the Modem
---------- Ethernet____
pwr usb sync ready wlan
1
2
3
4
pwr: Indicates that the wireless cable modem has successfully completed
internal power-on tests.
usb: Indicates connectivity between the USB port on the wireless cable modem and a
PC
’
s USB port.
sync: Indicates the connection status between the wireless cable modem and the
cable network. The LED is lit when the wireless cable modem has established a
downstream channel with the cable service provider
’
s Cable Modem Termination System
(CMTS).
ready: Indicates that the wireless cable modem has completed the ranging/registration
process and is ready to send/receive data.
wlan: Indicates that at least one wireless client is linked to the wireless cable
modem.
Enet 1, 2, 3, 4: Indicates connectivity between the Ethernet port on the wireless cable
modem and the Ethernet port on a PC or Mac. This LED blinks when the wireless cable
modem is transferring or receiving data over the Ethernet cable.
Installation problems with the wireless cable modem are commonly due to the cable network and its
topography. LEDs on the front panel of the wireless cable modem reveal operational status and help
you determine problem areas.
Connectors on the Back of the Modem
This list of connectors describes where to connect the cables and power adapter when installing the
wireless cable modem.
1)
PWR: This is where you plug the included power adapter. Remember to use only the
power adapter that came with the wireless cable modem.
2)
Ethernet 10/100 Port 1, 2, 3, 4: This is where you plug the Ethernet cable. The other
end connects to the Ethernet port on the PC or NIC
3)
USB Port: This is where you plug the included USB cable. The other end connects to
the USB port on your PC.

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