user manual
Table Of Contents
- Cisco Aironet 1300 Series Wireless Outdoor Access Point/Bridge Hardware Installation Guide
- Contents
- Preface
- Overview
- Installation Overview
- Mounting Overview
- Troubleshooting Autonomous Access Points and Bridges
- Checking the LEDs on an Autonomous Access Point/Bridge
- Power Injector
- Checking Power
- Checking Basic Configuration Settings
- Antenna Alignment
- Running the Carrier Busy Test
- Running the Ping or Link Test
- Resetting the Autonomous Access Point/Bridge to the Default Configuration
- Reloading the Access Point/Bridge Image
- Obtaining the Autonomous Access Point/Bridge Image File
- Connecting to the Console Serial Port
- Obtaining the TFTP Server Software
- Troubleshooting Lightweight Access Points
- Translated Safety Warnings
- Declarations of Conformity and Regulatory Information
- Manufacturers Federal Communication Commission Declaration of Conformity Statement
- VCCI Statement for Japan
- Industry Canada
- European Community, Switzerland, Norway, Iceland, and Liechtenstein
- Declaration of Conformity for RF Exposure
- Guidelines for Operating Cisco Aironet Access Points and Bridges in Japan
- Administrative Rules for Cisco Aironet Access Points and Bridges in Taiwan
- Operation of Cisco Aironet Access Points in Brazil
- Declaration of Conformity Statements
- Access Point Specifications
- Channels and Maximum Power Levels
- Console Serial Cable Pinouts
- Priming Lightweight Access Points Prior to Deployment
- Configuring DHCP Option 43 for Lightweight Access Points
- Load-Dump Protection for Transportation Vehicles
- Glossary
- Index
H-1
Cisco Aironet 1300 Series Wireless Outdoor Access Point/Bridge Hardware Installation Guide
OL-5048-06
APPENDIX
H
Load-Dump Protection for Transportation
Vehicles
This appendix describes load-dump protection that is required for autonomous access point/bridge
(model: AIR-BR1310G) operation in some transportation vehicles.
Load-Dump Protection
The autonomous access point/bridge can be installed in vehicles such as automobiles, trucks, and buses.
Electronic equipment in vehicle environments can be subjected to high-energy voltage transients where
the vehicle battery is accidentally disconnected from the alternator charging circuit. In the Society of
Automotive Engineers (SAE) standards SAE J1455 and SAE J1211, this voltage transient is referred to
as a load-dump transient, where the loading of the battery is dumped or removed from the alternator
charging circuits. The access point/bridge does not contain built-in load-dump protection.
Note The power injector LR2T must be used in vehicles providing DC power to the power injector.
Some vehicles contain centralized electronics that are designed to suppress the load-dump transient and
prevent equipment damage. To protect the bridge in vehicles without built-in load-dump suppression,
you must install an external load-dump protection device, such as the IFM-efector EC2015 for nominal
12-VDC operation or the EC2016 for nominal 24-VDC operation. For additional information refer to the
following URLs:
http://www.ifmefector.com/ifmus/web/dsfs!EC2015.html
http://www.ifmefector.com/ifmus/web/dsfs!EC2016.html
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Warning
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Statement 1022