Thiết Bị Mạng Wifi Cisco AIR-AP1852E-S-K9
Thiết Bị Mạng Wifi Cisco AIR-AP1852E-S-K9
Overview
AIR-AP1852E-S-K9 is one of the Cisco Aironet 1850 Series Access Points. Cisco 1850 AP series is ideal for small and medium-sized networks. This
series supports enterprise-class 4×4 MIMO, four-spatial-stream access points that support the IEEE’s new 802.11ac Wave 2 specification. The
1850 Series extends support to a new generation of Wi-Fi clients, such as smartphones, tablets, and high-performance laptops that have
integrated 802.11ac Wave 2 support. The model AIR-AP1852E-S-K9 provides S Regulatory Domain and External antennas.
Quick Specs
Table 1 shows the quick specs of AIR-AP1852E-S-K9.
Part Number | AIR-AP1852E-S-K9 |
Description | 802.11ac Wave 2 Access Point, 4×4:4, External-Ant, S Regulatory Domain |
Features | – 4×4 MIMO with four spatial streams, single-user MIMO – 4×4 MIMO with three spatial streams, multiuser MIMO – MRC – 802.11ac beamforming (transmit beamforming) – 20-, 40-, and 80-MHz channels – PHY data rates up to 1.7 Gbps (80 MHz in 5 GHz) – Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx) – 802.11 DFS – CSD support |
Regulatory Domain | S (S regulatory domain): – 2.412 to 2.472 GHz; 3 channels – 5.180 to 5.320 GHz; 8 channels – 5.500 to 5.700 GHz;, 11 channels – 5.745 to 5.825 GHz; 5 channels |
Antenna | External Antenna |
Interfaces | – 1 x 10/100/1000BASE-T autosensing (RJ-45), Power over Ethernet (PoE) – 1 x 10/100/1000BASE-T autosensing (RJ-45), AUX (used for Link Aggregation) – Management console port (RJ-45) – USB 2.0 (enabled via future software) |
Dimensions (W x L x H) | 8.3 x 8.3 x 2 in. (210.8 x 210.8 x 50.8 mm) |
Weight | 3.12 lb (1.41 kg) |
Product Details
Figure 1 shows the AIR-AP1852E LED Indicator Position.
Note:
(1) | LED indicator position |
(2) | External Antenna |
There are four external antennas installed with the AP.
Table 2 shows the AP LED indicators’ descriptions.
Message Type | LED State | Message Meaning |
Association status | Chirping Green | Normal operating condition, but no wireless client associated |
Green | Normal operating condition, at least one wireless client association | |
Boot loader status | Green | Executing boot loader |
Boot loader error | Red | Boot loader signing verification failure |
Access point regulatory domain priming status |
Blinking Amber | AP priming to a new regulatory domain by Neighbor Discovery Protocol (NDP), in progress |
Cycling Red, Green and off | AP waiting to be primed | |
Chirping Red | AP primed to a wrong regulatory domain | |
Operating status | Blinking amber | Software upgrade in progress |
Cycling through green, red, and amber | Discovery/join process in progress | |
Rapidly cycling through red, green, amber, and off. |
Access point location command invoked from controller web interface. | |
Access point operating system errors |
Cycling through red, green, amber, and off | General warning; insufficient inline power |
Thiết Bị Mạng Wifi Cisco AIR-AP1852E-S-K9
Figure 2 shows AIR-AP1852E Ports and Connections.
Note:
(1) | Mode button | (4) | AUX (Auxiliary) port. |
(2) | RJ-45 console port | (5) | PoE-In port (Ethernet Uplink port) |
(3) | USB 2.0 port | (6) | 48 V DC input power port |
AUX (Auxiliary) port appears in the wireless controller user interface as GigabitEthernet1. This port, along with the PoE-In port, is used for Link
Aggregation. This port is disabled when using 802.3af (15.4W) power.
Compare to Similar Items
8.1 MR1 or later for the Cisco Aironet 1850 Series Access Points Cisco Unified Wireless Network Software Release with AireOS wireless controllers: |
Software |
Cisco 2500 Series Wireless Controllers, Cisco Wireless Controller Module for ISR G2, Cisco Wireless Services Module 2 (WiSM2) for Catalyst 6500 Series Switches, Cisco 5500 Series Wireless Controllers, Cisco Flex 7500 Series Wireless Controllers, Cisco 8500 Series Wireless Controllers, Cisco 5760 Series Wireless Controllers, Cisco Catalyst 3650/3850 Series switch with integrated controller Cisco Mobility Express |
Supported wireless LAN controllers |
4×4 MIMO with four spatial streams Maximal ratio combining (MRC) 20- and 40-MHz channels PHY data rates up to 600 Mbps (40 MHz with 5 GHz) Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx) 802.11 dynamic frequency selection (DFS) Cyclic shift diversity (CSD) support |
802.11n version 2.0 (and related) capabilities |
AIR-AP1852E-S-K9 Specifications | |
Description | 802.11ac Wave 2 Access Point, 4×4:4, External-Ant, S Regulatory Domain |
Regulatory Domain |
S (S regulatory domain): – 2.412 to 2.472 GHz; 3 channels – 5.180 to 5.320 GHz; 8 channels – 5.500 to 5.700 GHz;, 11 channels – 5.745 to 5.825 GHz; 5 channels |
Deployment modes |
Centralized local, Standalone, Sniffer, Cisco FlexConnect, Monitor, OfficeExtend, Mesh |
Thiết Bị Mạng Wifi Cisco AIR-AP1852E-S-K9
Table 3 shows the comparison between two AP.
Part Number | AIR-AP1852E-S-K9 | AIR-AP1852E-S-K9C |
Description | 802.11ac Wave 2 Access Point, 4×4:4 |
802.11ac Wave 2 Access Point, 4×4:4 ★ Model number ending in C is, by default, factory-shipped with a Cisco Mobility Express software image. |
External Antenna |
Yes | Yes |
Regulatory Domain |
S (S regulatory domain): – 2.412 to 2.472 GHz; 3 channels – 5.180 to 5.320 GHz; 8 channels – 5.500 to 5.700 GHz;, 11 channels – 5.745 to 5.825 GHz; 5 channels |
S (S regulatory domain): – 2.412 to 2.472 GHz; 3 channels – 5.180 to 5.320 GHz; 8 channels – 5.500 to 5.700 GHz;, 11 channels – 5.745 to 5.825 GHz; 5 channels |
Specification
4×4 MIMO with four spatial streams, single-user MIMO 4×4 MIMO with three spatial streams, multiuser MIMO MRC 802.11ac beamforming (transmit beamforming) 20-, 40-, and 80-MHz channels PHY data rates up to 1.7 Gbps (80 MHz in 5 GHz) Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx) 802.11 DFS CSD support Rogue device detection |
802.11ac Wave 1 and 2 capabilities |
Certified for use with antenna gains up to 6 dBi (2.4 GHz and 5 GHz) Cisco offers the industry’s broadest selection of antennas, delivering optimal coverage for a variety of deployment scenarios |
External antenna (sold separately) |
1 x 10/100/1000BASE-T autosensing (RJ-45), Power over Ethernet (PoE) 1 x 10/100/1000BASE-T autosensing (RJ-45), AUX (used for Link Aggregation) Management console port (RJ-45) USB 2.0 (enabled via future software) |
Interfaces |
Status LED indicates boot loader status, association status, operating status, boot loader warnings, boot loader errors | Indicators |
Access point (without mounting bracket): 8.3 x 8.3 x 2 in. (210.8 x 210.8 x 50.8 mm) | Dimensions (W x L x H) |
3.12 lb (1.41 kg) | Weight |
Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C) Nonoperating (storage) altitude test: 25˚C, 15,000 ft. Operating temperature: -4° to 122°F (-20° to 50°C) Operating humidity: 10% to 90% (noncondensing) Operating altitude test: 40˚C, 9843 ft. Cisco Aironet 1850e |
Environmental |
1 GB DRAM 256 MB Flash |
System memory |
AP1850: 44 to 57 VDC Power supply and power injector: 100 to 240 VAC; 50 to 60 Hz |
Input power requirements |
20.9W Note: When deployed using a Power over Ethernet (PoE) specification, the power drawn from the power sourcing equipment will be higher by some amount, depending on the length of the interconnecting cable. |
Power draw |
802.3at Enhanced PoE Cisco power injector, AIR-PWRINJ4= Cisco local power supply, AIR-PWR-C= Cisco power injector, AIR-PWRINJ5= (Note: this injector supports 802.3af only) 802.3af Note: If 802.3af PoE is the source of power, (1) the 1852e 2.4-GHz radio will shift to 2×3 from 3×4, (2) The USB port and AUX Ethernet port are disabled on both the 1852i and 1852e. |
Powering options |
Warranty | Limited lifetime hardware warranty |
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