User's Manual
Table Of Contents
- Cisco Aironet 1200 Series Access Point Hardware Installation Guide
- Contents
- Preface
- Overview
- Installing the Access Point
- Configuring the Access Point for the First Time
- Using the Web-Browser Interface
- Using the Command-Line Interface
- Mounting Instructions
- 2.4-GHz Radio Upgrade
- 5-GHz Radio Module Upgrade
- Troubleshooting
- Translated Safety Warnings
- Declarations of Conformity and Regulatory Information
- Access Point Specifications
- Channels and Antenna Settings
- Console Cable Pinouts
- Glossary
- Index
First Draft - CISCO CONFIDENTIAL
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Cisco Aironet 1200 Series Access Point Hardware Installation Guide
OL-4310-02
Chapter 9 Troubleshooting
Checking Basic Settings
Table 9-1 Top Panel LED Signals
Checking Basic Settings
Mismatched basic settings are the most common causes of lost connectivity with wireless clients. If the
access point does not communicate with client devices, check the following areas.
Message
type
Ethernet
LED
Status
LED
Radio
LED
Meaning
Boot loader
status
Green – Green DRAM memory test.
– Amber Red Board initialization test
– Blinking
green
Blinking
green
Flash memory test.
Amber Green – Ethernet initialization test.
Green Green Green Starting IOS.
Association
status
– Green – At least one wireless client device is
associated with the unit.
– Blinking
green
– No client devices are associated; check the
unit’s SSID and WEP settings.
Operating
status
– Green Blinking
green
Transmitting/receiving radio packets.
Green ––Ethernet link is operational.
Blinking
green
––Transmitting/receiving Ethernet packets.
Boot Loader
Errors
Red – Red DRAM memory test failure.
– Red Red File system failure.
Red Red – Ethernet failure during image recovery.
Amber Green Amber Boot environment error.
Red Green Red No IOS image file.
Amber Amber Amber Boot failure.
Operation
Errors
– Green Blinking
amber
Maximum retries or buffer full occurred on
the radio.
Blinking
amber
- – Transmit/receive Ethernet errors.
– Blinking
amber
– General warning.
Configuration
Reset
– Amber – Resetting the configuration options to
factory defaults.
Failure Red Red Red Firmware failure; try disconnecting and
reconnecting unit power.
Firmware
Upgrade
– Red – Loading new firmware image.