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Беспроводные точки доступа Cisco Aironet 1550 используются для создания городской беспроводной инфраструктуры и покрытия значительных территорий бесперебойной связью. Устройства Cisco Aironet 1550 серии поддерживают как однодиапазонные 2.4GHz, так и двухдиапазонные 2.4GHz - 5GHz точки доступа.
Точки доступа семейства Cisco Aironet 1550 являются частью технологии Unified Wireless network и управляются специальными wireless-контроллерами для загрузки корпоративных политик, централизованного обеспечения безопасности, сквозного качества обслуживания всех подключенных клиентов беспроводной сети. Точки доступа серии Cisco 1550 поддерживают питание по технологии PoE (Power Over Ethernet), потребляя при этом всего 12.95W.
Технические характеристики точки доступа Cisco AIR 1550 (AIR-CAP1552SA-E-K9):
802.11n Capabilities |
● 2 x 3 multiple-input multiple-output (MIMO) with two spatial streams ● Legacy beamforming ● 20- and 40-MHz channels ● PHY data rates up to 300 Mbps ● Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx) ● 802.11 dynamic frequency selection (DFS) ● Cyclic shift diversity (CSD) support |
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802.15.4 Dual Purpose Radio |
● 802.15.4 radios with diversity receivers (1 Tx, 2 Rx) ● Radio diversity helps to improve the packet transmission reliability compared to single radio solution ● Designed to meet ISA100 Wireless and WirelessHART specifications ● External IR receiver for receiving secure network keys from IrDA-compatible device |
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Frequency Band and 20-MHz Operating Channels |
-A Domain: ● 2.400 to 2.4835 GHz; 11 channels ● 5.250 to 5.850 GHz; 14 channels -B Domain: ● 2.400 to 2.4835 GHz; 11 channels ● 5.280 to 5.320 GHz; 3 channels ● 5.500 to 5.700 GHz; 11 channels ● 5.745 to 5.825 GHz; 5 channels -C Domain: ● 2.400 to 2.4835 GHz; 13 channels ● 5.725 to 5.850 GHz; 5 channels -E Domain: ● 2.401 to 2.4835 GHz; 13 channels ● 5.470 to 5.725 GHz; 8 channels -K Domain: ● 2.400 to 2.4835 GHz; 11 channels ● 5.250 to 5.825 GHz; 14 channels -M Domain ● 2.400 to 2.4835 GHz; 13 channels ● 5.470 to 5.850 GHz; 12 channels -N Domain: ● 2.400 to 2.4835 GHz; 11 channels ● 5.725 to 5.850 GHz; 5 channels -Q Domain: ● 2.400 to 2.4835 GHz; 13 channels ● 5.470 to 5.725 GHz; 11 channels -R Domain: ● 2.400 to 2.4835 GHz; 13 channels ● 5.250 to 5.725 GHz; 11 channels -S Domain: ● 2.400 to 2.4835 GHz; 13 channels ● 5.725 to 5.850 GHz; 5 channels -T Domain: ● 2.400 to 2.4835 GHz; 11 channels ● 5.470 to 5.850 GHz; 13 channels |
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Frequency range (802.15.4 radio) |
● 2.405 to 2.475 GHz |
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Maximum Number of Nonoverlapping Channels |
2.4 GHz ● 802.11b/g: ◦ 20 MHz: 3 ● 802.11n: ◦ 20 MHz: 3 |
5 GHz ● 802.11a: ◦ 20 MHz: 19 ● 802.11n: ◦ 20 MHz: 19 ◦ 40 MHz: 11 |
Maximum Transmit Power |
2.4 GHz ● 802.11b (Complementary Code Keying [CCK]) ◦ 28 dBm with 2 antennas ● 802.11g (non HT duplicate mode) ◦ 28 dBm with 2 antennas ● 802.11n (HT20) ◦ 28 dBm with 2 antennas ● 802.15.4 ◦ 18 dBm with 1 antenna |
5 GHz ● 802.11a ◦ 28 dBm with 2 antennas ● 802.11n non-HT duplicate (802.11a duplicate) mode ◦ 28 dBm with 2 antennas ● 802.11n (HT20) ◦ 27 dBm with 2 antennas ● 802.11n (HT40) ◦ 27 dBm with 2 antennas |
Network Interface |
● 10/100/1000BASE-T Ethernet, autosensing (RJ-45) ● Fiber SFP |
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Dimensions (W x L x H) |
12.0 in. x 7.8 in. x 6.4 in. (30.48 cm x 19.81 cm x 16.26 cm) (including antenna mount) |
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Weight |
1552S: 17.6 lb (8 kg) Pole mounting bracket: 6.1 lb (2.8 kg) |
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Environmental |
Operating temperature: -40 to 55°C (-40 to 131°F) plus Solar Loading Storage temperature: -50 to 85°C (-58 to 185°F) Humidity: 0-100% (condensing) Wind resistance: ● Up to 100 MPH sustained winds ● Up to 165 MPH wind gusts |
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Environmental Ratings |
● IP67 ● NEMA Type 4X |
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Antenna Gain |
● External Dual-Band Omnidirectional Antennas (AIR-ANT2547V-N-HZ) ◦ 4 dBi (2.4 GHz), 7 dBi (5 GHz) ● External 2.4 GHz Omnidirectional Antennas (AIR-ANT2450V-N-HZ) ◦ 5 dBi |
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Powering Options |
1552SA ● 100-240 VAC, 47-63 Hz ● 12 VDC ● 47 W |
1552SD ● 19-30 VDC ● 12 VDC ● 39 W |