Cisco Aironet 1850 Series User Manual

Cisco Aironet Series 1850 Access Point Deployment Guide
Channel Rail Adapters – Cisco Part Number AIR-CHNL-ADAPTER 5
Physical Hardware and Mounting Options of an AP 7
Wall Mounting the AP 11
Above the Ceiling Tiles 12
Stadium / Harsh Environments 14
Ethernet Cable Recommendation 15
Antenna Cable Recommendation 16
Access Point Spacing Recommendations 17
Installations in IDF Closets (Telecommunications or Other Electrical Equipment) 18
Installations Inside and Around Elevators 19
Understanding AP 1850 Powering Options 20
PoE Negotiation 21
Approved antennas and Radiation Patterns 23
Antennas for Outdoor Deployments 25
General Considerations – WLAN Best Practice Guidelines 35
802.11ac Wave-2 primer and the AP 1850 37
Clients Supporting 3 and 4 Spatial Streams 37
Understanding Channel Plans and Bonded Channels 38
Understanding Channels and How They Relate to the Client 40

Cisco Aironet 1850 Series Specifications

General

Wi-Fi Standards	802.11a/b/g/n/ac Wave 2
Frequency Bands	2.4 GHz and 5 GHz
Maximum Data Rate	1.7 Gbps
USB Port	1 x USB 2.0
Ethernet Ports	10/100/1000BASE-T autosensing (RJ-45)
PoE Support	802.3af/at
Mounting	Ceiling, Wall
Operating Temperature	0°C to 40°C (32°F to 104°F)
Weight	2.6 lb (1.2 kg)
MIMO	4x4

Summary

Channel Rail Adapters

Physical Hardware and Mounting Options

Wall Mounting the AP

Provides guidance on mounting the AP to walls, considering signal propagation.

Above the Ceiling Tiles Installation

Stadium and Harsh Environment Deployments

Ethernet Cable Recommendation

Antenna Cable Recommendation

Access Point Spacing Recommendations

IDF Closet Installation Guidelines

Elevator Installation Considerations

Understanding AP 1850 Powering Options

PoE Negotiation Process

Approved Antennas and Radiation Patterns

Antennas for Outdoor Deployments

Lists approved dual-band antennas for the AP 1850e series, suitable for outdoor use.

WLAN Best Practice Guidelines

802.11ac Wave-2 Primer and AP 1850

Introduces 802.11ac Wave-2 technology and its relevance to the AP 1850.

Clients Supporting 3 and 4 Spatial Streams

Discusses client support for 3 and 4 spatial streams and their impact on performance.

Understanding Channel Plans and Bonded Channels

Explains channel allocation plans and the concept of channel bonding in Wi-Fi.

Channels and Client Relationship

Details how channel selection and bonding affect client connectivity and speed.

802.11ac and Legacy Client Recommendations

802.11ac Devices on the Market

Variables Impacting Wireless Performance

Non-Optimal Installation Examples

New Features Overview

Auxiliary Ethernet Port

Describes the AUX port for LAG connection or downstream traffic.

Link Aggregation for AP 1850

Explains Link Aggregation for achieving higher throughput on the AP 1850.

Cisco Switches Supporting Link Aggregation

Lists Cisco switch series that support Link Aggregation with the AP 1850.

Enabling Link Aggregation on AP 1850

Provides the procedure for enabling link aggregation on the AP 1850.

Downstream Device Connection for AP 1850

Details the function of the AUX port for downstream devices and potential issues.

USB Port Functionality

Understanding Multi-User MIMO

MU-MIMO Protocol Advertisement

Shows how to check for SU and MU beamformer capabilities in protocol advertisements.

Access Point LED Status Indicators