3Com 3CRWX5850GS - AirProtect Sentry 5850 Wireless Intrusion Prevention Sys Quick Start Manual - Page 5

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2. Preparing for Installation

It is advisable to connect and check the Ethernet cable and LEDs before installing the Sentry in a

hard-to-reach location. Additionally, observe the following items before mounting or connecting

the Sentry:

Feature

Switch Port

Cabling

Power Requirement

MAC Address

3. Attaching the Antennas

Carefully unpack the standard detachable antennas that came with your Sentry. Thread each

antenna onto an antenna connector on the Sentry and hand-tighten them. After network startup,

you may need to adjust the antennas to fine-tune coverage in your area.

For best results, adjust the antennas so they are perpendicular to the floor and ceiling.

CAUTION: Do not handle the antenna tips, especially after they are connected to the

Sentry. This could lead to electrostatic discharge (ESD), which could damage the

equipment.

4. Mounting the AirProtect Sentry

The Sentry can be mounted on the following types of surfaces:

•

Wall, ceiling, or electrical box (NEMA enclosure)

•

Tabletop

Wall, Ceiling, or Electrical Box Mounting

Use the bracket that comes with your Sentry to install it on a wall, ceiling, or electrical box:

Route Ethernet cable through the opening in the cradle.

Screw the mounting bracket to a wall, ceiling, or electrical box (NEMA enclosure):

•

If mounting to a solid surface wall or ceiling, use the two sheet metal screws.

•

If mounting to drywall, use the two sheet metal screws and two wall anchors.

•

If mounting to an electrical box (NEMA enclosure), use the two threaded screws.

Description

To connect your wireless network to your wired network, you need a

hub or switch connected to the Sentry.

Make sure that standard Ethernet cable with straight-through

signaling is installed at the site before you install the Sentry.

Make sure that the cable is highly flexible and that there is no extra

covering on the RJ-45 connector that could prevent the cable from

being routed through the mounting bracket.

Power is supplied using an 802.3af Power Over Ethernet (PoE)

compliant device such as a switch, or a PoE injector (not included).

Record the access point MAC address in a safe place before the Sentry

is installed in a hard-to-reach location.

The MAC address is printed on the back of the Sentry.