Ethernet (Poe) Ports - Cisco AIR-CAP1552H-x-K9 Installation Manual

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Chapter 1 Overview
Warning
Caution
Caution
Note
Caution

Ethernet (PoE) Ports

Note
Note
Warning
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This unit might have more than one power supply connection. All connections must be removed
to de-energize the unit. Statement 1028
To provide inline PoE, you must use the 1500 power injector (AIR-PWRINJ1500-2=). Other power
injectors, PoE switches, and 802.3af/at power sources cannot provide adequate power, which can cause
the access point to malfunction and cause over-current conditions at the power source.
The 1500 power injector (AIR-PWRINJ1500-2=) must be used in an indoor environment only.
The Ethernet cable from the power injector to the access point (PoE-in port) must be not less than 10 ft
(3.1 m).
When the access point is installed outdoors or in a wet or damp location, the AC branch circuit that is
powering the access point should be provided with ground fault protection (GFCI), as required by
Article 210 of the National Electrical Code (NEC). (1552H and 1552SA, not for 1552SD and 1552WU)
The 1552SA, 1552SD, and 1552WU access points do not support the PoE-In port.
The 1552 hazardous location access points support an Ethernet uplink port and a downlink port
(POE-Out). The 1552H access point also supports POE-In. The access point Ethernet ports use RJ-45
connectors (with a liquid tight adapter) to link the access point to the 10/100/1000BASE-T network. The
Ethernet cable is used to send and receive Ethernet data and to optionally supply inline 56-VDC power
from the power injector.
When a 1552H access point is powered by PoE, the PoE-Out port is not active.
The access point PoE-out (10/100/1000BASE-T) port uses an RJ-45 connector to provide LAN
connectivity and IEEE 802.3af power to a single peripheral customer device, such as a camera or sensor
gateway. The PoE-out port should not be connected to a switch or hub. The Ethernet MAC addresses are
printed on the bottom of the access point under the LEDs.
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord. Statement
1023
The Ethernet cable must be a shielded outdoor rated Category 5e (CAT5e) or better cable. The access
point senses the Ethernet and power signals and automatically switches internal circuitry to match the
cable connections.
Cisco Aironet 1550 Series for Hazardous Locations Installation Guide
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Hardware Features
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