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Беспроводная точка доступа The Cisco® 521 работает по стандарту 802.11g и поддерживает управление, безопасность и масштабируемость. Эта точка доступа предоставлюет высокую скоросто беспроводного доступа в офисах и аналогичных средах.
• Самостоятельный режим: точка доступа подключается напрямую к проводной инфраструктуре (коммутатор) и предоставляет высокоскоростное беспроводное подключение пользователям в зоне покрытия. Конфигурирование и управление производится на каждой точке индивидуально.
• Режим совместно с контроллером: Точка доступа подключается напрямую к проводной инфраструктуре через свич и ассоциируется с Cisco 500 Series Wireless Express Mobility Controller. Контроллер устанавливает конфигурацию всех подключенных к нему точек доступа через единый интерфейс, и предоставляет платформу для организации безопасного гостевого беспроводного доступа и голоса поверх Wi-Fi.
Особенности и преимущества
Спецификации
Product Specifications for the Cisco 521 Wireless Express Access Point
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Item |
Specification |
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Part number |
• AIR-AP521G-x-K9 (Standalone mode; Cisco IOS® Software)
• AIR-LAP521G-x-K9 (Controller mode; requires the Wireless Express Mobility Controller)
• Regulatory domains: (x = regulatory domain) A = FCC, E = ETSI, P = Japan2
• Customers are responsible for verifying approval for use in their individual countries. To verify approval and to identify the regulatory domain that corresponds to a particular country, please visit: //www.cisco.com/go/aironet/compliance
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Data rates supported |
802.11g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mbps |
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Network standard |
IEEE 802.11b and 802.11g |
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Uplink |
Autosensing 802.3 10/100BASE-T Ethernet |
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Frequency band and operating channels |
Americas (FCC)-A: 2.412 to 2.462 GHz; 11 channels Europe (ETSI)-E: 2.412 to 2.472 GHz; 13 channels Japan-P (TELEC 2 [Japan2] Cnfg) 2.412 to 2.472 GHz; 13 channels Orthogonal Frequency Division Multiplexing (OFDM) |
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Nonoverlapping channels |
802.11b/g: 3 |
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Receive sensitivity (typical) |
802.11g: • 1 Mbps: -93 dBm
• 2 Mbps: -91 dBm
• 5.5 Mbps: -88 dBm
• 6 Mbps: -86 dBm
• 9 Mbps: -85 dBm
• 11 Mbps: -85 dBm
• 12 Mbps: -84 dBm
• 18 Mbps: -83 dBm
• 24 Mbps: -79 dBm
• 36 Mbps: -77 dBm
• 48 Mbps: -72 dBm
• 54 Mbps: -70 dBm
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Available transmit power settings (maximum power setting will vary by channel and according to individual country regulations) |
802.11b: Complementary Code Keying (CCK): • 20 dBm (100 mW)
• 17 dBm (50 mW)
• 14 dBm (25 mW)
• 11 dBm (12 mW)
• 8 dBm (6 mW)
• 5 dBm (3 mW)
• 2 dBm (2 mW)
• -1 dBm (1 mW)
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802.11g: OFDM: • 17 dBm (50 mW)
• 14 dBm (25 mW)
• 11 dBm (12 mW)
• 8 dBm (6 mW)
• 5 dBm (3 mW)
• 2 dBm (2 mW)
• -1 dBm (1 mW)
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Item |
Specification |
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Range |
Indoor (distance across open office environment) 802.11g: • 100 ft (30 m) at 54 Mbps
• 175 ft (53 m) at 48 Mbps
• 250 ft (76 m) at 36 Mbps
• 275 ft (84 m) at 24 Mbps
• 325 ft (100 m) at 18 Mbps
• 350 ft (107 m) at 12 Mbps
• 360 ft (110 m) at 11 Mbps
• 375 ft (114 m) at 9 Mbps
• 400 ft (122 m) at 6 Mbps
• 420 ft (128 m) at 5.5 Mbps
• 440 ft (134 m) at 2 Mbps
• 450 ft (137 m) at 1 Mbps
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Outdoor 802.11g: • 120 ft (37 m) at 54 Mbps
• 350 ft (107 m) at 48 Mbps
• 550 ft (168 m) at 36 Mbps
• 650 ft (198 m) at 24 Mbps
• 750 ft (229 m) at 18 Mbps
• 800 ft (244 m) at 12 Mbps
• 820 ft (250 m) at 11 Mbps
• 875 ft (267 m) at 9 Mbps
• 900 ft (274 m) at 6 Mbps
• 910 ft (277 m) at 5.5 Mbps
• 940 ft (287 m) at 2 Mbps
• 950 ft (290 m) at 1 Mbps
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Ranges and actual throughput vary based upon numerous environmental factors so individual performance may differ. |
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Compliance |
Safety: • UL 60950-1
• CAN/CSA-C22.2 No. 60950-1
• UL 2043
• IEC 60950-1
• EN 60950-1
• NIST FIPS 140-2 Level 2 validation
Radio Approvals: • FCC Part 15.247, 15.407
• RSS-210 (Canada)
• EN 300.328, EN 301.893 (Europe)
• ARIB-STD 33 (Japan)
• ARIB-STD 66 (Japan)
• AS/NZS 4268.2003 (Australia and New Zealand)
EMI and Susceptibility (Class B): • FCC Part 15.107 and 15.109
• ICES-003 (Canada)
• VCCI (Japan)
• EN 301.489-1 and -17 (Europe)
Security: • 802.11i, WPA2, WPA
• 802.1X
• AES, TKIP
• FIPS 140-2 Pre-Validation List
• Common Criteria (when running Cisco IOS Software)
Other: • IEEE 802.11g
• FCC Bulletin OET-65C
• RSS-102
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| Antennas | • 2.4 GHz
• Gain: 3.0o dBi
• Horizontal beam width: 360°
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Item |
Specification |
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Security |
Standalone Access Point |
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Security |
Encryption |
Authentication |
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No security |
None |
Open |
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WEP |
WEP |
Open |
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LEAP |
Dynamic-WEP |
Open-EAP Network-EAP |
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WPA |
TKIP |
Open-EAP Network-EAP |
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WPA-PSK |
TKIP |
WPA-PSK |
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WPA2 |
AES CCMP |
Open-EAP Network-EAP |
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WPA2-PSK |
AES CCMP |
WPA-PSK |
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MAC |
None |
Open, MAC |
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MAC and EAP |
Dynamic WEP |
Open, MAC, Network-EAP |
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Controller-Based Access Point |
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Security |
Encryption |
Authentication |
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No security |
None |
Open |
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WEP |
WEP/Shared |
Open |
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EAP |
WEP |
802.1x |
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WPA |
TKIP/AES |
802.1x |
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WPA-PSK |
TKIP/AES |
WPA-PSK |
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WPA2 |
TKIP/AES |
802.1x |
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WPA2-PSK |
TKIP/AES |
WPA2-PSK |
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MAC |
None |
Open, MAC |
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Status LEDs |
External: Status LED indicates operating state, association status, error/warning condition, boot sequence, and maintenance status Internal: Ethernet LED indicates activity over the Ethernet status, Radio LED indicates activity over the radios status |
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Dimensions (H x W x D) |
7.5 x 7.5 x 1.3 in. (19.1 x 19.1 x 3.3 cm) |
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Weight |
1.5 lb (0.67 kg) |
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Environmental |
• 32 to 104°F (0 to 40°C)
• 10 to 90% humidity (noncondensing)
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System memory |
• 32 MB RAM
• 16 MB flash
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Input power requirements |
• ·100 to 240 VAC; 50 to 60 Hz (power supply)
• ·36 to 57 VDC (device)
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Power draw |
9.9W maximum |
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Warranty |
1 year |
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Wi-Fi certification |
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System Requirements
System Requirements for the Cisco 521 Wireless Express Access Point
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Access Utilizing |
Description |
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Browser |
Using the Web browser management GUI requires a computer running Internet Explorer Version 6.0 or newer, or Netscape Navigator Version 7.0 or newer. |
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Power over Ethernet (PoE) |
Power-sourcing equipment (PSE) compliant with Cisco Inline Power or IEEE 802.3af, and providing at least 10W at 48 VDC. |
Ordering Information
Table 4 provides ordering information for the Cisco 521 Wireless Express Access Point and the Cisco 526 Wireless Express Mobility Controller.
Table 4. Ordering Information for the Cisco 521 Wireless Express Access Point and the Cisco 526 Wireless Express Mobility Controller
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Part Number |
Product Name |
| AIR-AP521G-x-K9 | Cisco 521 Wireless Express Access Point (standalone) |
| AIR-LAP521G-x-K9 | Cisco 521 Wireless Express Access Point (Controller mode) |
| AIR-WLC526-K9 | Cisco 526 Wireless Express Mobility Controller |