Before You Start; Prepare For Installation - 3Com 7250 Quick Start Manual

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Before You Start

Make sure that you have the following items ready for the installation:
3Com Access Point 7250
Standard detachable antennas
Power supply
Power cord
3Com installation CD
Ethernet category 5 straight cables (8-wire)
For wall-mount installations you will need the following items:
Mounting plate
Mounting screws
Plastic anchors for drywall mounting
To use the Web configuration management system, you need a computer running one of the
following operating systems and one of the following browsers:
Operating Systems: Windows 98, Windows ME, Windows NT 4.0 (with the latest
service pack), Windows 2000, or Windows XP.
Browsers: Internet Explorer 5.0 or later. (Internet Explorer 5.5 is available on the
installation CD.)
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Prepare for Installation

It is advisable to connect the power and check the Ethernet cables and LEDs before installing the unit in a hard-
to-reach location.
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Observe the following power requirements:
The access point complies with the IEEE 802.3af power-over-Ethernet standard. It receives
power over category 5 straight cable. Installation requires the use of either the 3Com power
supply provided or IEEE 802.3af compliant power supply equipment (output power rated
48 V DC @ 350 mA maximum). Such equipment must be safety certified according to UL,
CSA, IEC or other applicable national or international safety requirements for the country of
use. All references to the power supply refer to equipment that meets these requirements.
Because the power supply plug is the only means of disconnecting the access point from
power, make sure the power outlet is accessible.
The power supply can be located indoors at any point between the access point and the LAN
access port where an accessible power outlet exists.
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Decide where to place the access point.
Mounted on a wall on a stud (or other hard surface)
Mounted on to drywall
Placed on a flat surface
The location should be elevated and centrally located relative to users on your network. Ceiling mounting is not
recommended.
NOTE: Regulatory restrictions dictate that when the access point is operational a minimum body-
to-antenna distance of 1 meter (3 feet) must be maintained.
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Record the access point MAC address and serial number in a safe place before the access
point is installed in a hard-to-reach location. The MAC address is printed on the back of the
access point housing.
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Carefully unpack the standard detachable antennas. Screw the antennas on to the SMA
connectors and hand-tighten them. After network startup, you may need to adjust the antennas
to fine-tune coverage in your area.
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