Fast & Secure
AIR-AP1852I-E-K9 Overview
AIR-AP1852I-E-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 IEEEs 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-AP1852I-E-K9 provides E Regulatory Domain and internal antennas.
Quick Specs
Table 1 shows the quick specs of AIR-AP1852I-E-K9.
| Part Number | AIR-AP1852I-E-K9 |
| Description | 802.11ac Wave 2 Access Point, 4×4:4, Internal-Ant, E 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 | E (E regulatory domain):
– 2.412 to 2.472 GHz; 3 channels – 5.180 to 5.320 GHz; 8 channels – 5.500 to 5.700 GHz; 8 channels (excludes 5.600 to 5.640 GHz) |
| Antenna | Internal 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-AP1852I LED Indicator Position.
Note: LED indicator position
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 |
Figure 2 shows AIR-AP1852I 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-AP1852I-E-K9 |
AIR-AP1852I-E-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. |
| Antenna | Internal Antennas | Internal Antennas |
| Regulatory Domain | E (E regulatory domain):
– 2.412 to 2.472 GHz; 3 channels – 5.180 to 5.320 GHz; 8 channels – 5.500 to 5.700 GHz; 8 channels (excludes 5.600 to 5.640 GHz) |
E (E regulatory domain):
– 2.412 to 2.472 GHz; 3 channels – 5.180 to 5.320 GHz; 8 channels – 5.500 to 5.700 GHz; 8 channels (excludes 5.600 to 5.640 GHz) |
Support & Resources
[PDF] Cisco Indoor Access Points Comparison Chart
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