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Checking the Lightweight Access Point LEDs Chapter 4 Troubleshooting 1250 Series Lightweight Access Points The LED signals for lightweight access points are listed in Table 4-1. Note Regarding LED status colors, it is expected that there will be small variations in color intensity and hue from unit to unit. This is within the normal range of the LED manufacturer's specifications and is not a defect. Table 4-1 LED Signals for Lightweight Access Points Message type Ethernet LED Radio LED Status LED Meaning Boot loader status Green Amber Off DRAM test in progress. Green Green Green DRAM memory test ok. Off Red Off Board initialization in progress. Off Blinking green Blinking green Initialize Flash file system. Off Green Green Flash memory test ok. Amber Off White Initialize Ethernet. Green Off Blinking blue Ethernet test ok. Green Green Blinking green Starting Cisco IOS. Off Off Off Initialization ok. Association status - - Green Normal operating condition, but no wireless client devices are associated with the unit. - - Blue Normal operating condition, at least one wireless client device is associated with the unit. Operating status Green - - Ethernet link is operational. Blinking green - - Transmitting or receiving Ethernet packets. - Blinking green - Transmitting or receiving radio packets. - - Blinking blue Software upgrade in progress. Blinking green Blinking green Blinking green Access point location command. Slow blinking - - Hybrid-REAP standalone mode. green Boot loader Off Off warnings Red Off Blinking red Ethernet link not operational. Red Ethernet failure. Amber Off Blinking blue Configuration recovery in progress (Mode button pressed for 2 to 3 seconds). Off Red Red Image recovery (Mode button pressed for 20 to 30 seconds). Blinking green Blinking red Blinking pink Image recovery in progress and Mode button is released. Cisco Aironet 1250 Series Access Point Hardware Installation Guide 4-4 OL-8247-03

Section	Page
Cisco Aironet 1250 Series Access Point Hardware Installation Guide	1
Contents	3
Preface	9
Audience	9
Purpose	9
Organization	9
Conventions	10
Related Publications	12
Locating the Product Serial Number	13
Obtaining Documentation, Obtaining Support, and Security Guidelines	14
Overview	15
Product Terminology	15
Autonomous Access Points	15
Lightweight Access Points	16
Guidelines for Using Cisco Aironet Lightweight Access Points	16
Hardware Features	17
Radio Module Slots	19
Single or Dual-Radio Operation	19
Operating Modes	19
Spatial Multiplexing	19
Maximum Ratio Combining	20
Antennas Supported	20
LEDs	21
Ethernet Port	21
Console Port	22
Power Sources	22
UL 2043 Compliance	22
Anti-Theft Features	23
Network Examples with Autonomous Access Points	24
Root Unit on a Wired LAN	24
Repeater Unit that Extends Wireless Range	25
Central Unit in an All-Wireless Network	26
Workgroup Bridge Network	26
Network Example with Lightweight Access Points	27
Installing the Access Point	29
Safety Information	30
FCC Safety Compliance Statement	30
General Safety Guidelines	30
Warnings	30
Unpacking the Access Point	31
Package Contents	31
Basic Installation Guidelines	32
Before Beginning the Installation	32
Access Point Bottom Connector Access Openings	32
Installation Summary	33
Mounting Overview	33
Mounting on a Horizontal or Vertical Surface	35
Mounting Below a Suspended Ceiling	37
Mounting Above a Suspended Ceiling	39
Installing Option One	41
Installing Option Two	43
Installing Option Three	44
Mounting to a Network Cable Box	46
Mounting on a Desktop or Shelf	47
Connecting the Ethernet and Power Cables	48
Connecting to an Ethernet Network with an Inline Power Source	49
Connecting to an Ethernet Network with Local Power	50
Powering Up the Access Point	50
Installing or Removing the Mounting Plate Latch	51
Installing the Mounting Plate Latch	51
Removing the Mounting Plate Latch	51
Installing the Access Point to the Mounting Plate	52
Mounting Plate Not Attached to a Surface	52
Mounting Plate Attached to a Surface	54
Securing the Access Point	55
Securing the Access Point to the Mounting Plate	55
Using a Security Cable to Secure the Access Point	57
Removing the Access Point From the Mounting Plate	58
Removing a Radio Module	60
Inserting a Radio Module	62
Troubleshooting 1250 Series Autonomous Access Points	65
Checking the Autonomous Access Point LEDs	66
Checking the Power Injector LEDs	68
Checking Basic Settings	69
Default IP Address Behavior	69
Enabling the Radio Interfaces	69
SSID	70
WEP Keys	70
Security Settings	70
Low Power Condition on Autonomous Access Points	71
Intelligent Power Management	71
Inline Power Status Messages	72
Configuring Power Using the CLI	75
Issuing the Cisco IOS Command Using the CLI	77
Configuring the Access Point System Power Settings Using a Browser	77
Running the Carrier Busy Test	80
Running the Ping Test	81
Resetting to the Default Configuration	82
Using the MODE Button	82
Using the Web Browser Interface	83
Reloading the Access Point Image	83
Using the MODE Button	83
Web Browser Interface	84
Browser HTTP Interface	84
Browser TFTP Interface	85
Obtaining the Access Point Image File	86
Connecting to the Access Point Locally	86
Obtaining the TFTP Server Software	88
Troubleshooting 1250 Series Lightweight Access Points	89
Guidelines for Using Cisco Aironet Lightweight Access Points	90
Using DHCP Option 43	90
Checking the Lightweight Access Point LEDs	91
Checking the Power Injector LEDs	94
Low Power Condition for Lightweight Access Points	95
Intelligent Power Management	95
Inline Power Status Messages	96
Configuring Power Using Controller CLI Commands	99
Manually Configuring Controller Information Using the Access Point CLI	100
Configuring Controller Information	101
Clearing Manually Entered Controller Information	101
Manually Resetting the Access Point to Defaults	101
MODE Button Setting	101
Connecting to the Access Point Locally	102
Obtaining the TFTP Server Software	103
Translated Safety Warnings	105
Declarations of Conformity and Regulatory Information	107
Manufacturers Federal Communication Commission Declaration of Conformity Statement	108
VCCI Statement for Japan	109
Industry Canada	109
Canadian Compliance Statement	109
European Community, Switzerland, Norway, Iceland, and Liechtenstein	110
Declaration of Conformity with Regard to the R&TTE Directive 1999/5/EC	111
Declaration of Conformity for RF Exposure	113
Guidelines for Operating Cisco Aironet Access Points in Japan	114
Japanese Translation	114
English Translation	114
Administrative Rules for Cisco Aironet Access Points in Taiwan	115
Access Points with IEEE 802.11a Radios	115
Chinese Translation	115
English Translation	115
All Access Points	116
Chinese Translation	116
English Translation	116
Chinese Translation	117
English Translation	117
Operation of Cisco Aironet Access Points in Brazil	118
Access Point Models	118
Regulatory Information	118
Portuguese Translation	118
English Translation	118
Declaration of Conformity Statements	119
Declaration of Conformity Statements for European Union Countries	119
Access Point Specifications	121
Channels and Power Levels	125
Console Cable Pinouts	127
Overview	128
Console Port Signals and Pinouts	128
Configuring DHCP Option 43 for Lightweight Access Points	129
Overview	130
Configuring Option 43 for 1000 and 1500 Series Access Points	131
Configuring Option 43 for 1100, 1130, 1200, 1240, 1250, 1300, and 1520 Series Lightweight Access Points	132
Glossary	133

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4-4

Cisco Aironet 1250 Series Access Point Hardware Installation Guide

OL-8247-03

Chapter 4

Troubleshooting 1250 Series Lightweight Access Points

Checking the Lightweight Access Point LEDs

The LED signals for lightweight access points are listed in

Table 4-1

Note

Regarding LED status colors, it is expected that there will be small variations in color intensity and hue

from unit to unit. This is within the normal range of the LED manufacturer’s specifications and is not a

defect.

Table 4-1

LED Signals for Lightweight Access Points

Message type

Ethernet LED

Radio LED

Status LED

Meaning

Boot loader status

Green

Amber

Off

DRAM test in progress.

Green

DRAM memory test ok.

Off

Red

Off

Board initialization in progress.

Off

Blinking green

Initialize Flash file system.

Off

Green

Flash memory test ok.

Amber

Off

White

Initialize Ethernet.

Green

Off

Blinking blue

Ethernet test ok.

Green

Blinking green

Starting Cisco IOS.

Off

Initialization ok.

Association status

—

Green

Normal operating condition, but no wireless client

devices are associated with the unit.

—

Blue

Normal operating condition, at least one wireless client

device is associated with the unit.

Operating status

Green

—

Ethernet link is operational.

Blinking green

—

Transmitting or receiving Ethernet packets.

—

Blinking green

—

Transmitting or receiving radio packets.

—

Blinking blue

Software upgrade in progress.

Blinking green

Access point location command.

Slow blinking

green

—

Hybrid-REAP standalone mode.

Boot loader

warnings

Off

Blinking red

Ethernet link not operational.

Red

Off

Red

Ethernet failure.

Amber

Off

Blinking blue

Configuration recovery in progress

(Mode button pressed for 2 to 3 seconds).

Off

Red

Image recovery

(Mode button pressed for 20 to 30 seconds).

Blinking green

Blinking red

Blinking pink

Image recovery in progress and Mode button is

released.