Cisco AIR-CAP1552SA-x-K9 Manuale di installazione - Pagina 11
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Chapter 1
Overview
Multiple Radio Operation
Antenna Configurations
Table 1-3
Note
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The 1552 access point supports simultaneous dual-radio operation using a 2.4-GHz 802.11b/g/n multiple
input/multiple output (MIMO) radio and a 5-GHz 802.11a/n MIMO radio. The 2.4 GHz radio supports
channels 1 to 11 in US, 1 to 13 in Europe, and 1 to 13 in Japan. It has two transmitters with a maximum
total output power of 25 dBm for 802.11b/g/n operation. Output power is configurable to 5 levels. It has
three receivers that enable maximum-ratio combining (MRC).
The 5-GHz radio operates in the UNII-2 band (5.25 – 5.35 GHz), UNII-2 Extended/ETSI band (5.47 –
5.725 GHz), and the upper ISM band (5.725 – 5.850 GHz). It has two transmitters with a maximum total
output power of 26 dBm for UNII-2 and Extended/ETSI bands. The total maximum output power for the
upper ISM band is 28 dBm. Output power is configurable for 5 power levels in 3 dB steps. The three
receivers enables maximum-ratio combining (MRC).
The 1552SA/1552SD, 1552H and 1552WU models must always be operated with all the external
antennas attached.
Figure
Cisco Aironet Dual-Band Omnidirectional Antenna Supported Models and configuration information
Part Number
Description
AIR-ANT2547V-N-HZ
Dual Band 2.4/5 GHz
Omnidirectional WiFi Antenna
AIR-ANT2450V-N-HZ
Single Band 2.4 GHz
Omnidirectional ISA100
Antenna
AIR-ANT2480V-N
Single Band 2,4 GHz
Omnidirectional WiFi Antenna
AIR-ANT5180V-N
Single Band 5 GHz
Omnidirectional WiFi Antenna
AIR-ANT5114P2M-N=
Single Band 5 GHz Directional
Dual Polarized Patch Antenna
(Supplied)
Single Band 2.4 GHz
Omnidirectional WirelessHART
Antenna
* One of the two optional antenna configurations must be installed for 5 GHz operation.
The WirelessHART Antenna must be installed a minimum of 3 feet from any other antenna,
•
including the other WiFi antennas attached to the Access Point.
Follow all safety precautions when installing the antennas. For information on safety, refer to
•
"Safety Precautions" section on page
1-6,
Figure
1-7, and
Figure
1-8show the antenna port locations.
Gain
2.4 GHz: 4 dBi
5 GHz: 7 dBi
5 dBi
8 dBi
8 dBi
14 dBi
1-13.
Cisco Aironet 1550 Series for Hazardous Locations Installation Guide
DC diskontcomputer.com GmbH
Traunuferstrasse 110
4052 Ansfelden, Austria
Hardware Features
Number of Antennas
1552SA/
1552H
1552SD
1552WU
3
3
2
3
3
(Optional*)
1
(Optional*)
1
1-11