Low Power Condition For Autonomous Access Points; Intelligent Power Management - Cisco Aironet 1130AG Series Hardware Installation Manual

OL-8369-04 OL-8369-04

Low Power Condition for Autonomous Access Points

Low Power Condition for Autonomous Access Points
Note Note
Low Power Condition for Autonomous Access Points Low Power Condition for Autonomous Access Points
Warning Warning
Note Note
Note Note

Intelligent Power Management

Intelligent Power Management
If a wireless client is unable to authenticate with your access point, contact the system administrator for If a wireless client is unable to authenticate with your access point, contact the system administrator for
proper security settings in t he client adapter and for the client adap proper security settings in t he client adapter and for the client adap ter driver and firmware versions that
are compatible with the access point settings. are compatible with the access point settings.
The access point MAC address that appears on the Status page in the Ai ronet Client Utility (ACU) is the The access point MAC address that appears on the Status page in the Ai
MAC address for the access point radio. The MAC address for the access point Ethernet port is printed MAC address for the access point radio. The MAC address for the access point Ethernet port is printed
on the label on the back of the access point. on the label on the back of the access point.
This product must be connected to a Power over Ethernet (PoE) This product must be connected to
or an IEC60950 compliant limited power source. or an IEC60950 compliant limited power s
The access point can be powered from the 48-VDC power module or from an in-line power source. The The access point can be powered from the 48-VDC power module or from an in-line power source. The
access point supports the IEEE 802.3af power standard, Cisco Pre-Standard PoE protocol, and Cisco access point supports the IEEE 802.3af power standard, Cisco Pre-Standard PoE protocol, and Cisco
Intelligent Power Management for in-line power sources. Intelligent Power Management for in-line power
For full operation, the access point requires 12.95 W of power. The power module and Cisco Aironet For full operation, the access point requires 12.95 W of power. The power module and Cisco Aironet
power injectors are capable of supplying the required power for full operation, but some inline power power injectors are capable of supplying the required power for full operation, but some inline power
sources are not capable of supplying 12.95 W. Also, some high-power inline power sources, might not sources are not capable of supplying 12.95 W. Also, some high-power inline power sources, might not
be able to provide 12.95 W of power to all ports at the same time. be able to provide 12.95 W of power to all ports at the same time.
An 802.3af compliant switch (Cisco or non-Cisco) is capable of supplying sufficient power for full An 802.3af compliant switch (Cisco or non-Cisco) is capable of supplying sufficient power for full
operation. operation.
If your access point is conn ected to in-line power, do not connect the power module If your access point is conn ected to in-line power, do not connect the power module to the access point.
Using two power sources on the access point might cause the access point to shut down to protect internal Using two power sources on the access point might cause the access point to shut down to protect internal
components and might cause the switch to shut down the port to which the access point is connected. If components and might cause the switch to shut down the port to which the access point is connected. If
your access point shuts down, you must remove all power and reconnect only a single power source. your access point shuts down, you must remove all power and reconnect only a single power source.
On power up, the access point is placed into low power mode (both radios are disabled), Cisco IOS On power up, the access point is placed into low power mode (both radios are disabled), Cisco IOS
software loads and runs, and power negotiation determines if sufficient power is available. If there is software loads and runs, and power negotiation determines if sufficient power is available. If there is
sufficient power then the radios are turned on; otherwise, the access point remains in low power mode sufficient power then the radios are turned on; otherwise, the access point remains in low power mode
with the radios disabled to prevent a possible over-current condition. In low power mode, the access with the radios disabled to prevent a possible over-current condition. In low power mode, the access
point activates the Status LED low power error ind ication, displays a low power message o point activates the Status LED low power error ind
and serial interfaces, and creates an event log entry (see the and serial interfaces, and creates an event log entry (see the "Checking the Autonomous Access Point
LEDs" sec LEDs" section on tion on page page 3-2 3-2 and and "Inline Po
The access point requires 12.95 W of power for full power operation with both radios, but only needs The access point requires 12.95 W of power for full power operation with both radios, but only needs
6.3 W of power when operating in low power mode with both radios disabled. To help avoid an 6.3 W of power when operating in low power mode with both radios disabled. To help avoid an
over-current condition with low power sources and to optimize power usage on Cisco switches, Cisco over-current condition with low power sources and to optimize power usage on Cisco switches, Cisco
developed Intelligent Power Management, which uses Cisco Discovery Protocol (CDP) to allow developed Intelligent Power Management, which uses Cisco Discovery Protocol (CDP) to allow
powered devices (such as your access point) to negotiate with a Cisco switch for sufficient power. powered devices (such as your access point) to negotiate with a Cisco switch for sufficient power.
Cisco Aironet 1130AG Series Access Point Hardware Installation Guide Cisco Aironet 1130AG Series Access
Chapter 3 3 Chapter
a Power over Ethernet (PoE) IEEE 802.3af compliant power source
ource.
Statement 353 Statement 353
sources.
ication, displays a low power message o n the browser
"Inline Power Status Message wer Status Messages" section on page
Point Hardware Installation Guide
Troubleshooting Autonomous Troubleshooting Autonomous Access
ter driver and firmware versions that
ronet Client Utility (ACU) is the
IEEE 802.3af compliant power source
to the access point.
"Checking the Autonomous Access Point
s" section on page 3-7). ). 3-7
3-5 3-5
Access Points Points
n the browser