Cisco Systems 1520 User Manual
CHAP T E R
1
Overview
The Cisco Aironet 1520 Series Outdoor Mesh Access Point (hereafter called the access point) is a
modularized wireless outdoor access point designed for use in a mesh network. The access point also
supports wireless client access, point-to-point bridging, point-to-multipoint bridging, and
point-to-multipoint mesh wireless connectivity. The access point is a standalone unit that can be
The LAP1522 model supports two radios (2.4-GHz and 5-GHz) and the LAP1524 model supports up to
4 radios (2.4-GHz, 5.8-GHz, and 4.9-GHz public safety band). Both models provide client access
without the need for a license. The 5-GHz radios are dedicated to backhaul operations to reach a wired
network and the 2.4-GHz radio is used for wireless clients. The 4.9-GHz public safety band radio is used
for backhaul and access. The access point can support 6 to 54 Mb/s data rates.
The access point is manufactured in three configurations: cable, pole mount, and mesh. The cable
configuration has three antenna connectors on the top of the unit, can be mounted to a cable strand, and
supports power-over-cable (POC). The pole mount configuration supports two antennas on the top and
bottom of the unit. It can be mounted to a pole or building wall and supports fiber-optic networks and
several power options. The Mesh configuration has two antennas on the top and bottom of the unit. It
can be powered by AC and only supports wireless backhaul communications to reach the wired network.
It does not support hard-wired communications (cable, fiber-optic, or Ethernet) to a wired network.
The access point is also available as a hazardous location option. When configured, the access point
complies with safety standards for Class I, Division 2, Zone 2 hazardous locations in which ignitable
concentrations of flammable gases, vapors, or liquids are not likely to exist under normal operation
conditions). When you select the hazardous location option as part of the ordering process, Cisco
configures the system to contain the new components. Two conduit adaptors and assembly instructions
placed in the shipping box provide information and assembly procedures.
The access point can also operate as a relay node for other access points not directly connected to a wired
network. Intelligent wireless routing is provided by the patented Adaptive Wireless Path Protocol
(AWPP). This enables each access point to identify its neighbors and intelligently choose the optimal
path to the wired network by calculating the cost of each path in terms of signal strength and the number
of hops required to get to a controller.
The access point is configured, monitored, and operated through a Cisco wireless LAN controller
(hereafter called a controller) as described in the Cisco Wireless LAN Controller Configuration Guide.
The Deployment Guide: Cisco Mesh Networking Solution describes how to plan and initially configure
the Cisco mesh network, which supports wireless point-to-point, point-to-multipoint, and mesh
deployments. The controllers use a browser-based management system, a command-line interface (CLI),
or the Cisco Wireless Control System (WCS) network management system to manage the controller and
the associated access points. The access point supports hardware-based advanced encryption standard
(AES) encryption between wireless nodes to provide end-to-end security.
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Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide
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Hardware Features
This chapter provides information on the following topics:
• Hardware Features, page 1-2
• Network Deployment Examples, page 1-11
Hardware Features
This section describes the hardware features of the access point. Figure 1-1, Figure 1-2, and Figure 1-3
show the access point connectors.
Note The illustrations in this document show all available connections for the access point. Unused
connections are capped with a connector plug to ensure the access point’s watertight integrity. Liquid
tight adapters are provided for connector openings, which can be installed before or after deploying the
access point.
Figure 1-1 Access Point Bottom Connectors
Chapter 1 Overview
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203822
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1 Antenna port 4 7 AC input connector
2 Antenna port 5 8 Fiber port
3 Antenna port 6 9 PoE out port
4 Fiber port (optional) 10 LEDs
5 Cable POC port (optional) 11 PoE in port
6 Aux/console port
Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide
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Chapter 1 Overview
Hardware Features
Figure 1-2 Cable, Fiber-Optic, and Antenna Connector Locations
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1 Cable POC connector (optional)
2 Fiber-optic connector3 (optional)
3 Antenna port 3
1. Stinger connector shown is user supplied.
2. Antenna locations depend upon access point configuration (see the “Antenna Connector Locations” section on page 1-5).
3. Liquid tight adapter not shown.
2
(Type N)
Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide
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4 Antenna port 22 (Type N)
5 Antenna port 12 (Type N)
1-3
Hardware Features
Chapter 1 Overview
Figure 1-3 DC Power Connector and Ground Screw Holes
1-4
1 Ground screw holes 2 DC power connector
Figure 1-4 shows the antenna port locations for all models. The ports used depend on the model ordered.
Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide
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Chapter 1 Overview
Hardware Features
Figure 1-4 Antenna Port Locations
1 Antenna port 1 5 Hinge
2 Antenna port 2 6 Antenna port 5
3 Antenna port 3 7 Antenna port 6
4 Antenna port 4
Antenna Connector Locations
The access point is manufactured in three configurations, cable, mesh, and pole mount. These
configurations support specific locations for the access point antennas, as shown in Tab le 1-1.
Table 1-1 Antenna Locations per Access Point Configuration
Antenna
Port
1 2.4-GHz antenna connector (RX) 5-GHz antenna connector (TX/RX)
2 5-GHz antenna connector (TX/RX) –
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Access Point Configurations
Cable Mesh and Pole Mount
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Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide
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