Cisco Aironet 1570 Series, Руководство по установке

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4-25
Cisco Aironet 1570 Series Outdoor Access Point Hardware Installation Guide
OL-32138-01
Chapter 4 Installing Other Components
Powering the Access Point
Warning A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Statement 1022
Caution
Before connecting or disconnecting a power cord, you must remove AC power from the power cord using
a suitable service disconnect.
2.
You must protect any AC power plugs and AC receptacles from water and other outdoor elements.
You can use a UL-listed waterproofing enclosure suitable for covering the AC receptacle and AC
power plug that supplies power to the unit as described in Article 406 of the NEC.
3. When you install the access point outdoors or in a wet or damp location, the AC branch circuit that
powers the access point should have ground fault protection (GFCI), as required by Article 210 of
the National Electrical Code (NEC).
Warning Be very careful when connecting the streetlight adapter to Category 3 pole-top power. If you are not
careful, you may electrocute yourself or fall.
Statement 363
To install an access point on a streetlight pole, follow these steps:
Step 1
Before beginning the installation, ensure the AC power to the streetlight pole is turned off.
Step 2 Turn off power to the AC power source at the designated circuits.
Warning This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
Caution
For your safety, when connecting the access point AC power connector, always connect the access point
end of the cable FIRST. When removing the AC power connector, always disconnect the access point
end of the cable LAST.
Step 3
When using the streetlight power tap adapter (AIR-PWR-ST-LT-R3P=), ensure that the access point is
mounted within 3 feet (1 m) of the outdoor light control.
Step 4 Ensure that a 6-AWG ground wire is attached to the access point and connected to the streetlight pole
(for instructions see
Grounding the Access Point, page 4-12 ).
Step 5 Ensure that the streetlight power tap adapter, which uses a 3-pronged LC-10 twist-lock adapter, is placed
between the outdoor light control and its fixture. The LC-10 twist-lock adapter is designed to be used
with LC-10 listed outdoor light controls operating at 100 to 277 VAC, 50 to 60 Hz.
Step 6
Disconnect the outdoor light control from its fixture.
Step 7 Verify that the voltage available at the fixture is between 100 and 277 VAC, 50 to 60 Hz.
Step 8
Turn off power to the fixture at the designated circuits.