4-18
Cisco Aironet 1570 Series Outdoor Access Point Hardware Installation Guide
OL-32138-01
Chapter 4 Installing Other Components
Powering the Access Point
–
If no SFP device is detected at startup and the cable modem is connected, then the cable modem
will be used as the uplink. The SFP will not be disabled. However, if an SFP device is plugged
in later, the AP will require a reboot to choose the SFP port as the uplink.
•
You cannot disable any Ethernet ports.
•
The power available on the PoE output port can be 802.3at, 802.3af, or disabled depending on other
configuration options.
•
PoE-Output is disabled when PoE-Input voltage is present.
•
If the AP is powered by other means and then switches to UPOE, the AP will automatically
reconfigure itself as required.
•
The access point has protection mechanisms to prevent overheating by reducing certain
functionalities, if internal temperatures exceed factory-defined limits. Protection measures include
reducing the number of active transmit paths on one or more radios. The number of active transmit
paths will return to the user’s selected configuration when the overheating condition subsides.
However, if the protection measures do not sufficiently reduce the temperature, then the AP will
ultimately power down, with the LEDs flashing yellow at flashes per second. When the overheating
condition subsides, the AP will power up automatically.
The following tables show the maximum radio transmission paths for various versions of the AP
depending on the kind of input power, cable modem status, and SFP port status.
Note
The AP supports all modes described in the following tables, in ambient temperatures of -40°C to +45°C
in all supported orientations, with a solar loading of 753 Watts/m2. For details on the operating
temperature ranges of the access point, see
Access Point Operating Temperature Specifications,
.
Table 4-1
Radio Transmission Paths on AP1572IC powered by PoC or DC
Maximum 5G TX Paths
Maximum 2.4G TX Paths Cable Modem Active?
SFP Device Inserted?
4
4
Yes
No
4
4
No
Yes
Table 4-2
Radio Transmission Paths on AP1572EC powered by PoC or DC
Maximum 5G TX Paths
Maximum 2.4G TX
Paths
Cable Modem Active?
SFP Device Inserted?
802.3 PoE Output Mode
4
4
Yes
No
AF
4
0 (Disabled)
Yes
No
AT
2
2
Yes
No
AT
0 (Disabled)
4
Yes
No
AT
4
4
No
Yes
AF
4
0 (Disabled)
No
Yes
AT
Содержание Aironet 1570 Series
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