DPS Telecom NetGuardian 480 Guide de référence rapide
DPS Telecom “Techno Knowledge” Paper
“Your Partners in Network Alarm Management”
Configuring Netguardian USB TKP.doc11/24/2010 -1
Problem: Unable to configure NetGuardian IP Address via USB Craft Port
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In order to use the NetGuardian’s web interface, you’ll first have to configure the unit’s IP
address, subnet mask, and default gateway. To do this, you must establish a physical
connection to your NetGuardian and configure the unit using the TTY interface.
This “techno knowledge” paper will help you if:
You’re attempting to install the driver for your NetGuardian
You need to identify the NetGuardian’s emulated COM port
You’re having trouble configuring the unit using HyperTerminal
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Quick Reference Chart
(For details, review the troubleshooting checklist, starting on the next page)
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Troubleshooting Checklist
1Connect the NetGuardian to a PC using a USB cable
Connect the NetGuardian’s USB craft port to any computer with a terminal
emulator such as HyperTerminal. (All Windows-based PCs should have
HyperTerminal.)
Note: Make sure you’re using a standard USB A-B cable. This is the same cable
commonly used for connecting a printer to a PC. If you don’t have the proper USB
cable, you can order one directly from DPS Telecom.
2Install the NetGuardian’s USB Driver on your PC
You should see a “Found New Hardware” message.
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Click the “Found New Hardware” message to launch the “Found New
Hardware Wizard.
Select “Install from a list or specific location (Advanced)”
Click “Next >”
Select “Search for the best driver in these locations”
Insert your NetGuardian Resource Disk into your PC
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Click “Browse”
In the “Browse for File” prompt, select the Driver folder of your NetGuardian
480 G3 Resource Disk and click “OK”.
You should see a message requiring you to confirm the installation of a new
“USB Communications Port”
Click “Finish” to close the wizard.
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3Now that the driver has been installed, a new COM port is being emulated on your PC.
To connect to the NetGuardian using HyperTerminal, you must first Use Windows
Device Manager to Confirm the Identity of the New “Virtual” COM Port.
Right-click the “My Computer” icon on your desktop or in your start menu
(depending on your version of windows and other properties).
Select “Manage”
Click “Device Manager” in the left pane of the Computer Management
window
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Expand the “Ports (COM & LPT)” section in the right pane. Look for USB
Communications Port (COMx). Note the number of the COM port (COM3 in
the example above).
4Now that you know which COM port to use, it’s time to Connect to the NetGuardian
using HyperTerminal. You may use other terminal emulation software if you choose,
but this Techno Knowledge Paper focuses on HyperTerminal.
Click on the Start menu > select Programs > Accessories >
Communications > HyperTerminal.
At the Connection Description screen, enter a name for this connection. You
may also select an icon. The name and icon do not affect your ability to connect
to the unit.
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At the Connect To screen, use the drop-down menu to select the COM port
you found earlier in the Device Manager.
Select the following COM Port Options:
oBits per second: 9600
oData bits: 8
oParity: None
oStop bits: 1
oFlow control: None
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Click Apply.
Once connected, you will see a blank, white HyperTerminal screen.
Press Enter.
You will be prompted for the user name and password. Enter admin
for the Login and dpstelecom for the password.
Note: If you don’t receive a prompt for the Login and Password, return to step
two to confirm the COM port being used for the NetGuardian.
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5The NetGuardian’s main menu will appear. Here you can Configure the
NetGuardian’s IP Address Using HyperTerminal.
Type C for C)onfig, then E for E)thernet.
Configure the unit’s IP Address, subnet mask, and default
gateway.
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Press ESC to return to the main menu.
When asked if you’d like to save your changes, type Y for Y)yes.
Reboot your NetGuardian to save its new configuration.
Now you’re ready to finish configuring the NetGuardian via LAN using the web
interface. For help regarding the web interface, see your NetGuardian manual.
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If you continue having trouble, please contact DPS Telecom tech support at (559) 454-1600 or
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