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Cisco Aironet 1550 Series Outdoor Mesh Access Point Hardware Installation Guide
OL-24247-01
Chapter 1 Overview
Hardware Features
Figure 1-21 Cisco Aironet 5-GHz 8-dBi Omnidirectional Antenna - Installed Only on Models
AIR-CAP1552EU-x-K9 and AIR-CAP1552CU-x-K9
Multiple Power Sources
The 1550 series access point supports these power sources:
• AC power—100 to 480 VAC, models 1552E and 1552EU access points, pole-mount configuration
• AC power—100 to 277 VAC, model 1552I access point
• Power-over-Cable (POC)—40 to 90 VAC, quasi-square wave AC, models 1552C and 1552CU
(standard power source for the cable modem configuration)
• External 12 VDC
• Power-over-Ethernet (PoE)—56 VDC power injector (AIR-PWRINJ1500-2=), only on models
1552E and 1552EU access points
• Internal 6 ampere-hour battery backup—only for the 1552E and 1552EUaccess point
Warning
Connect the unit only to DC power source that complies with the safety extra-low voltage (SELV)
requirements in IEC 60950 based safety standards.
Statement 1033
The 1552 access point can be connected to more than one power source. The access point detects the
available power sources and switches to the preferred power source using the following default
prioritization:
• AC power or POC power
• External 12-VDC power
• Power injector PoE power
• Internal battery power
Warning
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
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