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Описание
AIR-AP1852E-C-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 4x4 MIMO, four-spatial-stream access points that support the IEEEТs 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-C-K9 provides C Regulatory Domain and External antennas.
Quick Specs
Table 1 shows the quick specs of AIR-AP1852E-C-K9.
| Part Number | AIR-AP1852E-C-K9 |
| Description | 802.11ac Wave 2 Access Point, 4x4:4, External-Ant, C Regulatory Domain |
| Features | - 4x4 MIMO with four spatial streams, single-user MIMO - 4x4 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 | C (C regulatory domain): - 2.412 to 2.472 GHz; 3 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:
| ? | LED indicator position |
| ? | External Antenna |
There are four external antennas installed with the AP.
Table 2 shows the AP LED indicatorsТ 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 |
Figure 2 shows AIR-AP1852E Ports and Connections.
Note:
| ? | Mode button | ? | AUX (Auxiliary) port. |
| ? | RJ-45 console port | ? | PoE-In port (Ethernet Uplink port) |
| ? | USB 2.0 port | ? | 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
Table 3 shows the comparison between two AP.
| Part Number | AIR-AP1852E-C-K9 | |
| Description | 802.11ac Wave 2 Access Point, 4x4:4 | 802.11ac Wave 2 Access Point, 4x4:4 ? Model number ending in C is, by default, factory-shipped with a Cisco Mobility Express software image. |
| External Antenna | Yes | Yes |
| Regulatory Domain | C (C regulatory domain): - 2.412 to 2.472 GHz; 3 channels - 5.745 to 5.825 GHz; 5 channels | C (C regulatory domain): - 2.412 to 2.472 GHz; 3 channels - 5.745 to 5.825 GHz; 5 channels |
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