3Com Home Security System 3CRWE825075A User Manual

Quick Start Guide  
Wireless LAN Access Points  
8250/8500/8750  
3CRWE825075A  
3CRWE850075A  
3CRWE875075A  
The 3Com Wireless LAN Access Points 8250, 8500, and 8750 offer enterprise network standard based security  
and complete centralized management, with flexible and expansive connectivity and scalability. They extend  
networks and boost productivity for centrally managed enterprises requiring scalable security solutions.  
NOTE: This product must be installed by a professional technician/installer.  
Reset  
button  
Console port  
Ethernet port  
LEDs  
Access Point 8500  
Access Point 8250/8750  
Caution: Do not connect a telephone cable into the Console port; doing so can cause serious  
damage to the access point.  
 
CAUTION: Do not handle the antenna tips, especially after they are connected to the access  
point, as this could lead to electrostatic discharge (ESD), which could damage the equipment.  
The installation CD includes the User Guide, which contains more detailed information on planning, installing  
and configuring the device. Additional tools and utilities are provided to assist with the management of your  
network. See “Documentation and Software Utilities” on page 6 for instructions.  
3
Connect the Power  
The access point complies with the IEEE 802.3af power-over-Ethernet standard. It receives power over a  
standard category 5 straight (8-wire) Ethernet cable. There are two ways to supply power to the access point  
(refer to the illustration below):  
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Use the supplied 3Com Integrated Power-over-Ethernet power supply. In this case, you need  
to supply a second Ethernet cable to connect to the wired LAN.  
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Connect the access point directly to your own power-over-Ethernet hub or switch, which must  
also comply with the IEEE 802.3af standard.  
"To Access Point"  
"To Hub/Switch"  
Using the Power Supply  
Using A Power-over-Ethernet  
LAN Port  
Using the Power Supply  
The power supply can be located at any point between the access point and the LAN access port, wherever a  
convenient power outlet exists. If you supply your own Ethernet cable for connecting power, be sure that it is  
standard category 5 straight-through (8-wire) cable that has not been altered in any way. Use of nonstandard  
cable could damage the access point.  
Refer to the illustration above, and follow these steps:  
1
2
Connect one end of the Ethernet cable to the Ethernet port on the access point.  
Connect the other end of the Ethernet cable to the port labeled To Access Point on the power  
supply.  
3
Connect the power cord to the power supply and plug the cord into a power outlet.  
 
4
To link the access point to your Ethernet network, plug one end of another Ethernet cable into  
the port labeled To Hub/Switch on the power supply, and plug the other end into a LAN port  
(on a hub or in a wall).  
CAUTION: To avoid damaging network equipment, make sure that the cables are connected  
from access point to power supply to LAN as shown and described above.  
Using a Power-Over-Ethernet LAN Port  
If your LAN equipment complies with the IEEE 802.3af power-over-Ethernet standard, you can connect the  
access point directly to a LAN port. For example, the illustration above right shows a connection through a  
3Com Ethernet Power Supply to a 3Com SuperStack® Switch.  
4
Check the LEDs  
When power is connected, the access point LEDs light. The illustration and the following table describe the  
LEDs and their functions.  
Name  
Description  
Radio  
LED blinks red to indicate radio activity. Faster blinking  
indicates more activity.  
Power  
LED lights green when operational code is running.  
Reset  
Button  
Reset  
Button  
Press this button in for 15 seconds to restore the factory  
defaults.  
Ethernet  
LED lights yellow when Ethernet link is established. LED  
blinks to indicate activity on the Ethernet. Faster blinking  
indicates more activity.  
Radio  
LED blinks red to indicate radio activity. Faster blinking  
indicates more activity. This LED is only active when a  
second radio is installed.  
5
Wall Mount Installation  
1
Install the mounting plate as shown in the following illustration, on either a stud (or other  
hard wall surface), or onto drywall.  
If installing into drywall, use  
3 plastic anchors and 3 screws.  
If installing into a stud or other  
secure vertical surface, use 2 screws.  
 
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Allow for a clearance of at least 25 cm (10 Inches) between the ceiling and the top of the  
mounting plate.  
Make sure that “UP” is correctly oriented, and align the mounting plate screw  
holes vertically.  
For installation on a wall stud, install the top screw into the stud, as shown at left in the  
illustration, and then vertically align the mounting plate before installing the  
bottom screw.  
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For installation on to drywall, mark three screw holes using the mounting plate as a  
template for vertical alignment, as shown at right in the illustration above.  
Use a 5-mm (3/16-in.) drill bit if using the plastic anchors provided.  
For drywall mounts, you can route the cable through either a side or center opening for a  
seamless appearance using one of the methods illustrated below. Alternatively, you can  
simply attach the Ethernet cable to the side of the unit, allowing it to trail along the wall.  
If you have routed the Ethernet cable through the center opening, secure the cable on the  
hook located on the mounting plate as shown in the illustration below.  
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2
3
Connect the Ethernet cable to the Ethernet port on the access point.  
Position the access point at an angle to the mounting plate bayonet connection and turn the  
unit clockwise until it snaps into place, as shown below.  
Leave at least 13 cm (5 in.) length.  
Ethernet cable may be routed through  
center opening or through the side.  
Hold the access point at an angle. Turn  
clockwise to engage and secure it on  
the mounting plate.  
Hook for securing  
the cable  
Side opening  
Center  
opening  
6
Flat Surface Installation  
1
Find a clean and dry surface that is elevated enough to provide good reception and coverage  
for the network. Do not place the access point on a metal surface.  
2
3
4
Make sure to choose a location where the access point will not be disturbed.  
Connect the Ethernet cable into the Ethernet port.  
Set the access point down on a flat, level surface.  
 
7
Antenna Adjustment (Access Point 8250/8750)  
Position the antennas so that they turn away from the access point at approximately a 45-degree angle. Your  
particular location might require additional antenna adjustment.  
CAUTION: Do not handle the antenna tips, especially after they are connected to the access  
point, as this could lead to electrostatic discharge (ESD), which could damage the equipment.  
Rotate for  
best reception.  
8
Documentation and Software Utilities  
The installation CD includes documentation and software utilities to help you set up and administer the wireless  
components of your network. To view product documentation, select View the Documentation from the CD  
Startup Menu and then select the item you wish to view. To install utilities, select Tools and Utilities from the  
CD Startup Menu. Select the items you wish to install and follow the onscreen instructions. The software Tools  
and Utilities include:  
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3Com Wireless Infrastructure Device Manager. Use this tool to discover access points and  
select devices for administrative changes. Uninstall any previous versions before installing  
this version.  
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3Com 3CDaemon Server Tool. This tool can act in four different capacities:  
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As a TFTP Server, necessary for firmware upgrades, and backup and restore functions.  
Use this option if you do not have a TFTP server set up.  
As a SysLog Server, which is necessary to view SysLog messages.  
As an optional TFTP Client.  
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As an optional FTP Server.  
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3Com Network Supervisor. The 3Com Network Supervisor (3NS) graphically discovers,  
maps, and displays network links and IP devices, including 3Com wireless access points. It is  
not required for access point management.  
3Com Site Survey Tool. This utility assists in selecting the best location for your access point  
before installing the device permanently. Use the Site Survey Tool to determine if the  
intended mounting locations will provide adequate coverage with good signal strength and  
quality.  
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Internet Explorer 5.5. This browser is included for your those who do not have a  
suitable browser.  
 
 
9
Configuration Notes  
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For a new access point installation, the default WLAN Service Area (ESSID) is 3Com and no  
security is set. Unless it detects a DHCP server on the network, the access point uses Auto IP  
to assign an IP address of the form 169.254.2.1.  
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Use the 3Com Wireless Infrastructure Device Manager to locate 3Com Wireless LAN devices  
and launch their configurations. When installing the device manager, make sure the computer  
is connected to the same network as the device to be configured. After installing and  
launching the device manager, select the device to be configured from network tree and click  
Configure to launch the configuration Web interface. Refer to the Access Points 8250/8500/  
8750 User Guide (included on the installation CD) for detailed information and instructions  
on locating and configuring access points.  
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If you experience difficulty with the installation, see the Troubleshooting section of the  
User Guide.  
 
Copyright © 2003 3Com Corporation. All rights reserved. 3Com, the 3Com logo, and SuperStack are registered  
trademarks of 3Com Corporation. All other company and product names may be trademarks of the respective  
companies with which they are associated.  
09-2326-000 Rev AA  
Published September 2003  
 

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