AIR-AP1852E-D-K9C

①

LED indicator position

②

External Antenna

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

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

AIR-AP1852E-D-K9C Specification

Description

802.11ac Wave 2 Access Point, 4x4:4, External-Ant, D Regulatory Domain

★ Model number ending in C is, by default, factory-shipped with a Cisco Mobility Express software image.

Software

Cisco Unified Wireless Network Software Release with AireOS wireless controllers:

• 8.1 MR1 or later for the Cisco Aironet 1850 Series Access Points

Regulatory Domain

D (D regulatory domain):

- 2.412 to 2.462 GHz; 3 channels

- 5.180 to 5.320 GHz; 8 channels

- 5.745 to 5.825 GHz; 5 channels

Deployment modes

Centralized local, Standalone, Sniffer, Cisco FlexConnect, Monitor, OfficeExtend, Mesh

Supported wireless LAN controllers

• Cisco 2500 Series Wireless Controllers, Cisco Wireless Controller Module for ISR G2, Cisco Wireless Services Module 2 (WiSM2) for Catalyst6500 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

802.11n version 2.0 (and related) capabilities

• 4x4 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

802.11ac Wave 1 and 2 capabilities

• 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
• Rogue device detection

External antenna (sold separately)

• 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

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)

Indicators

• Status LED indicates boot loader status, association status, operating status, boot loader warnings, boot loader errors

Dimensions

(W x L x H)

• Access point (without mounting bracket): 8.3 x 8.3 x 2 in. (210.8 x 210.8 x 50.8 mm)

Weight

• 3.12 lb (1.41 kg)

Environmental

Cisco Aironet 1850e

• 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.

System memory

• 1 GB DRAM
• 256 MB Flash

Input power requirements

• AP1850: 44 to 57 VDC
• Power supply and power injector: 100 to 240 VAC; 50 to 60 Hz

Power draw

• 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.

Powering options

• 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 2x3 from 3x4, (2) The USB port and AUX Ethernet port are disabled on both the 1852i and 1852e.

Warranty

Limited lifetime hardware warranty