Table Of Contents
Cisco Aironet 1524SB Outdoor Mesh Access Point Hardware Addendum
This addendum provides fundamental installation and troubleshooting information pertaining to the Cisco Aironet 1524SB Outdoor Mesh Access Point.
The following information is included in this section:
The Cisco Aironet 1524SB Series Outdoor Mesh Access Point is a modular design that supports up to four radios: two 802.11a (5.4 to 5.8-GHz) radios for backhaul and access and one 802.11b/g (2.4-GHz) radio for access.
The project access point features include:
•Improved radio performance (5 levels of transmit power)
•High-gain antennas to maximize EIRP
•Fiber (SFP) and Gigabit Ethernet interfaces
•PoE-capable Ethernet ports for connecting peripheral devices
•LEDs for troubleshooting
•Ruggedized paintable enclosure
This section provides basic safety, installation, and troubleshooting information pertaining to the 1524SB outdoor mesh access point. Specific information and procedures are contained in other user documents and are not covered here. See the "Additional Documentation" section for a list of additional documents you will need in order to install, configure, and troubleshoot the access point and mesh network.
Note The view must be identified when viewing an illustration in order to determine correct antenna port location. This section refers to a "radio side" view in some of the illustrations. The access point has two covers: a radio cover and a power/cable/fiber cover. The non-hinged cover is the radio side.
Figure 1 identifies the access point bottom connectors (radio side view)
Figure 1 Access Point Bottom Connectors (radio side view)
Antenna port 4
AC input connector
Antenna port 5
Antenna port 6
PoE out port
Fiber port (optional)
Cable POC port (optional)
PoE in port
Figure 2 shows the access point top connections (radio cover view)
Figure 2 Access Point Top Connectors (radio cover view)
Table 1 identifies the antennas that can be used with the access point.
Table 1 Antenna Compatibility Chart
Part Number Description Gain (dBi)
5-GHz compact omnidirectional
2.4-GHz compact omnidirectional
Figure 3 shows the antenna port numbers. Table 2 describes locations, antenna type, and antenna function. The antenna port numbers are labeled at the port as part of the chassis casting. Note that the hinges are to the rear of the access point chassis.
Figure 3 Antenna Port Locations (hinges to rear of chassis)
Antenna port 1
Antenna port 2
Antenna port 5
Antenna port 3
Antenna port 6
Antenna port 4
Installing the Access Point
Translated versions of all safety warnings are available in the safety warning document that shipped with your access point or on Cisco.com. To browse to the document on Cisco.com, refer to the "Additional Documentation" section for instructions.
Warning Do not operate the unit near unshielded blasting caps or in an explosive environment unless the device has been modified to be especially qualified for such use. Statement 364
Warning Read the installation instructions before connecting the system to the power source. Statement 1004
Warning Ultimate disposal of this product should be handled according to all national laws and regulations. Statement 1040
Follow the guidelines in this section to ensure proper operation and safe use of the access point.
This system has been evaluated for RF exposure for Humans in reference to the ICNIRP (International Commission on Non-Ionizing Radiation Protection) limits. The minimum separation distance from the antenna to the user is 7.9 inches (20 centimeters).
Additional information on EMF / RF exposure is discussed in the Cisco white paper Wireless Systems and RF Safety Issues. The paper is on cisco.com at the following link:
Warning In order to comply with FCC radio frequency (RF) exposure limits, antennas should be located at a minimum of 7.9 inches (20 cm) or more from the body of all persons. Statement 332
Warning The AC power supply has double pole/neutral fusing. Statement 188
Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement 1001
Warning Class 1 laser product. Statement 1008
Warning A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Warning To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord. Statement 1023
Warning This unit might have more than one power supply connection. All connections must be removed to de-energize the unit. Statement 1028
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030
Warning Connect the unit only to DC power source that complies with the safety extra-low voltage (SELV) requirements in IEC 60950 based safety standards. Statement 1033
Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046.
Caution Before connecting or disconnecting a power cord, you must remove AC power from the power cord using a suitable service disconnect.
Because the access point is a radio device, it is susceptible to common causes of interference that can reduce throughput and range. Follow these basic guidelines to ensure the best possible performance:
•For information on planning and initially configuring your Cisco Mesh network, refer to the Deployment Guide: Cisco Mesh Networking Solution.
•Perform a site survey before beginning the installation.
•Install the access point in an area where structures, trees, or hills do not obstruct radio signals to and from the access point.
•The access points can be installed at any height, but best throughput is achieved when all the access points are mounted at approximately the same height. We recommend installing the access points no higher than 40 feet (12.2 meters) to allow support for wireless clients on the ground in the immediate vicinity of the access point; for example, directly below the access point.
Note To calculate path loss and to determine how far apart to install access points, consult an RF planning expert.
Every network application is a unique installation. Before installing multiple access points, you should perform a site survey to determine the optimum use of networking components and to maximize range, coverage, and network performance.
Consider the following operating and environmental conditions when performing a site survey:
•Data rates—Sensitivity and range are inversely proportional to data bit rates. The maximum radio range is achieved at the lowest workable data rate. A decrease in receiver sensitivity occurs as the radio data increases.
•Antenna type and placement—Proper antenna configuration is a critical factor in maximizing radio range. As a general rule, range increases in proportion to antenna height. However, do not place the antenna higher than necessary, because the extra height also increases potential interference from other unlicensed radio systems and decreases the wireless coverage from the ground.
•Physical environment—Clear or open areas provide better radio range than closed or filled areas.
•Obstructions—Physical obstructions such as buildings, trees, or hills can hinder performance of wireless devices. Avoid locating the devices in a location where there is an obstruction between the sending and receiving antennas.
The following documentation will help you install and configure the access point in your mesh network:
•Getting Started Guide: Cisco Aironet 1520 Series Outdoor Mesh Access Points
•Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide
•Cisco Aironet 1520 Series Outdoor Mesh Access Point Mounting Instructions
•Channels and Maximum Power Settings for Cisco Aironet Lightweight Access Points
•Cisco Aironet 1520 Series Outdoor Mesh Access Point Power Injector Installation Instructions
•AC Power Cords for Cisco Aironet 1520 Series Outdoor Mesh Access Points
•Translated Safety Warnings for Cisco Aironet 1520 Series Access Points
•Enterprise Mobility Design Guide
•Mobile Access Router and Mesh Networks Design Guide
•Secure Wireless Design Guide
•CSA for WLAN Security
•Ethernet Bridging in Point-to-Point Wireless Mesh Network Configuration Example
•Cisco Wireless Control System Configuration Guide, Release 5.0
•Troubleshooting a Mesh Network
These documents are available on cisco.com. Follow these steps to download them:
Step 1 Browse to http://www.cisco.com
Step 2 Click Products and Services. A drop-down window appears. Click Wireless. The Wireless Introduction page appears.
Step 3 Scroll down and click the Outdoor Wireless link under the Network Solutions heading (center).
Step 4 Click Cisco Aironet 1520 Series under the Related Products heading (center). The Cisco Aironet 1520 Series Introduction page appears.
Step 5 In the Support window, select the All support information for Cisco Aironet 1520 Series link. The Cisco Aironet 1520 Series Support page appears.
Step 6 Select the category of the documentation you wish to download.
Step 7 Download the document.
Before Beginning the Installation
Before you begin the installation process:
•Ensure that a site survey has been performed.
•Ensure that your network infrastructure devices are operational and properly configured.
•Ensure that your controllers are connected to switch trunk ports.
•Ensure that your switch is configured with untagged access ports for connecting your access points.
•Ensure that a DHCP server with Option 43 configured is reachable by your access points, or manually configure the controller information in the access point (for additional information, refer to Appendix F of the Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide.
•Become familiar with the access point installation components. Refer to Chapter 2 of the Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide.
Unpacking the Access Point
Follow these steps to unpack the access point:
Step 1 Open the shipping container and carefully remove the contents.
Step 2 Return all packing materials to the shipping container, and save it.
Step 3 Ensure that all items listed in "Package Contents" are included in the shipment. If any item is damaged or missing, notify your authorized Cisco sales representative.
Each access point package contains the following items:
•Cisco product documentation and translated safety warnings
•Grounding lug with two screws and lock washers
•Three liquid tight adapters
•Two-pin DC power connector
•Ground lug (Panduit PLCD6-10A-L) and screws with lock washers
Tools and Materials That You Supply
•Ground lug crimping tool (Panduit CT-720 with CD-720-1 die)
•6-AWG copper ground wire
•13-mm box-end wrench or socket set
•Adjustable wrench, 22-mm socket, or Sealcon S-2200-WR socket wrench
•Small flat screwdriver for DC power connector
•Optional power injector (AIR-PWRINJ1500-2=)
•Optional AC power cord
•Antennas, 2.4 and 5 GHz (refer to Table 1)
•Optional pole mount kit (AIR-ACCPMK1520=)
•Optional strand mount kit (AIR-ACCSMK1520=)
•Optional strap hand tool (AIR-BAND-INST-TL=)
•Optional fiber-optic SFP, fiber-optic take-up reels, and liquid tight adapter (GLC-FE-100BX-URGD=)
•Optional outdoor-rated fiber-optic cable with 0.20 to 0.35 in. (0.51 to 0.89 cm) diameter
•Optional shielded outdoor-rated Ethernet (CAT5e or better) cable with 0.20 to 0.35 in.
(0.51 to 0.89 cm) diameter
•Optional Ethernet RJ-45 connector and installation tool
•Optional shielded outdoor-rated DC power cable with 0.20 to 0.35 in. (.0.51 to 0.89 cm) diameter
•Optional cable Stinger connector
•Optional ground rod, as required by local regulations
•Optional ladder, power lift, rope, or other tools as required
Note Refer to the Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide or Cisco Aironet 1520 Series Outdoor Mesh Access Point Mounting Instructions for specific installation and configuration instructions.
The following basic troubleshooting information is provided in this section. Additional troubleshooting information is available in the Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide and in the support section on cisco.com.
Interpreting the LEDs
The access point LEDs are identified in Figure 4.
Figure 4 Access Point LEDs
The access point LED signals are listed in Table 3.
1 If all LEDs are off, the access point has no power.
2 When the access point power supply is initially turned on, all LEDs are amber.
Verifying Controller Association
To verify that your access point is associated to the controller, follow these steps:
Step 1 Log into your controller web interface using a web browser.
You can also use the controller CLI show ap summary command from the controller console port.
Step 2 Click Wireless, and verify that your access point MAC address is listed under Ethernet MAC.
Step 3 Log out of the controller, and close your web browser.
Using the Reset Button
The access point has a reset button located on the bottom of the unit (see Figure 5). The reset button is recessed in a small hole that is sealed with a screw and a rubber gasket. The reset button can be used to perform these functions:
•Reset (power cycle) the access point—press the reset button for less than 10 seconds.The LEDs turn off for 5 seconds and then resume normal indication.
•Disable battery backup power—press the reset button for more than 10 seconds. The LEDs turn off for 5 seconds, turn back on for 5 seconds, then turn off and stay off.
Figure 5 Reset Button Location
Removing and Replacing the Reset Button Cover
The access point reset button is recessed in a small hole, sealed with a Phillips screw cover and rubber gasket. To remove and replace the reset button cover, follow these steps:
Step 1 Use a Phillips screwdriver to remove the reset button cover. Be careful not to lose the screw and rubber gasket.
Step 2 Use a straightened paper clip to perform the intended action (reset the access point or disable the battery).
Step 3 Replace the rubber gasket and start the reset button cover into the threaded hole.
Step 4 Use a Phillips screwdriver to tighten the cover to 22 to 24 in. lbs (2.49 to 2.71 Nm).
Obtaining Documentation, Support, and Security Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
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