H3C ANT-2003CM Manuale utente

Contents

H3C ANT-2003CM antenna installation guide ········································································································ 1

Technical specifications····················································································································································1

Safety precautions·····························································································································································3

Installation guidelines ·······················································································································································3

Mounting the antenna ······················································································································································3

Tools and accessories required ······························································································································3

Mounting the antenna on a ceiling ························································································································4

Mounting the antenna on a wall ····························································································································5

Recommended cable················································································································································6

Manual Version:5PW100-20120627

H3C ANT-2003CM antenna installation guide

Technical specifications

The ANT-2003CM antenna is designed for use in indoor environments. It is connected to the 2.4-GHz

antenna port on an H3C indoor AP through an SMA-type connector.

Figure 1 Antenna view

Table 1 Technical specifications

Antenna type ANT-2003CM

Operating frequency range 2400 MHz to 2500 MHz

Bandwidth 100 MHz

Peak gain 3 dBi

Front to Back Ratio (dB) ≥NA

Horizontal beamwidth 360 degrees

Vertical beamwidth 60 to 80 degrees

Voltage standing wave ratio (VSWR) ≤1.5

Impedance 50 Ω

Polarization type Vertical

Max. power 10 W

Connector SMA-Female

Third Order Intermodulation (dBm) N/A

Lightning protection DC grounding

Dimensions 44 × 28 × 2 mm (1.73 × 1.10 × 0.08 in)

Weight 0.006 kg (0.01 lb)

Operating temperature –40°C to +60°C (–40°F to +140°F)

Mast diameter (mm) N/A

Manual Version:5PW100-20120627

Wind resistance (km/h) N/A

Installation Ceiling mounting or wall mounting

Figure 2 and Figure 3 show the horizontal and vertical radiation patterns.

Figure 2 Horizontal pattern

Figure 3 Vertical pattern

Manual Version:5PW100-20120627

Safety precautions

ARNING!

•Installing antennas is dangerous. For your safety, follow the installation directions.

•Keep the antenna away from power source, street lamps, distribution box, or other places that may

cause electrical shock.

•Do not touch any power lines for your safety.

•Keep safety in mind when you select your installation site. Keep the antenna away from electric

power lines and other lines.

•Do not work alone when you install the antenna.

•If you need to raise the mast, work with other people to avoid bodily injury.

•Do not use a metal ladder. Do not work on a wet or windy day. Dress properly, for example, shoes

with rubber soles. Wear rubber gloves.

•If the antenna, antenna cable, or any other installation accessory drops, get away from it to avoid

bodily injury.

•If an accident, for example, electrical shock, occurs with the power lines, immediately call for

qualified emergency help.

Installation guidelines

Keep the antenna away from metal obstructions such as heating and air-conditioning ducts. Typically, the

higher an antenna is above the ground, the better it performs. If possible, use a cable as short as possible

to connect the antenna and AP.

Mounting the antenna

You can mount the ANT-2003CM antenna on a ceiling or on a wall. The installation accessories are

provided (installation tools are user supplied). If you intend to mount your antenna on another surface,

you must provide the appropriate installation accessories.

Tools and accessories required

•Accessories provided with the antenna:

{Two wall anchors

{Two screws

{Two curved spring washers

{One cable

{Two bolts

•User-supplied tools:

{One Phillips screwdriver

{One electric drill and associated drill bits

{One pencil

Manual Version:5PW100-20120627

Mounting the antenna on a ceiling

1. Use a pencil to mark the screw positions on the ceiling where you want to mount the antenna and

then drill three holes in the ceiling. See Figure 4.

Figure 4 Drilling holes in the ceiling

2. Thread the antenna cable connector and bolts through the three holes you drilled in step 1 until the

base of the antenna is flush with the ceiling. See Figure 5.

Figure 5 Mounting the antenna

3. From above the ceiling, thread the supplied spring washers through the bolts and fasten them until

the antenna is secured in place. See Figure 6.

Manual Version:5PW100-20120627

Figure 6 Securing the antenna

Mounting the antenna on a wall

1. Use a pencil to mark screw positions on the wall where you want to mount the antenna and then

drill three holes in the wall. See Figure 7.

Figure 7 Drilling holes in the wall

2. Thread the wall anchors through the two 7 mm (0.28 in) holes in the wall and thread the screws

through the corresponding holes in the antenna. See Figure 8.

Manual Version:5PW100-20120627

Figure 8 Mounting the antenna

3. Insert the expansion screws into the two wall anchors and fasten them until the antenna is secured

in place. See Figure 9.

Figure 9 Securing the antenna

Recommended cable

H3C recommends that you use a high-quality, low-loss cable with the antenna. Coaxial cable loses

efficiency as the frequency increases, causing signal loss. Keep the cable as short as possible because

cable length also causes signal loss (the longer the run, the greater the loss).

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