Cisco Aironet 1520 Series Mounting Instructions page 68

What to Do Next
Additional maintenance information can be found in Chapter 3 of the Cisco Aironet 1520 Series Outdoor
Mesh Access Point Hardware Installation Guide and Troubleshooting a Mesh Network. These documents
are available at cisco.com at the following URLs:
http://www.cisco.com/en/US/docs/wireless/access_point/1520/installation/guide/1520_ch3.html
http://www.cisco.com/en/US/docs/wireless/access_point/1520/troubleshooting/guide/TrbleshtMesh.ht
ml
Warning Do not disconnect connections to this equipment unless power has been removed or you have verified
that the area is nonhazardous. Secure any external connections that mate to this equipment by using
screws, sliding latches, threaded connectors, or other means provided with this product. Substitution
of components may impair suitability for Class I, Zone 2, Division 2. Statement 1062
If you connect or disconnect the console cable with power applied to the unit or any device on the
Warning
network, an electrical arc can occur. This could cause an explosion in hazardous location
installations. Be sure that power is removed or the area is nonhazardous before proceeding.
To verify unit operation, perform POST on the device in a nonhazardous location before installation.
Statement 1080
When installing or replacing the unit, the ground connection must always be made first and
Warning
disconnected last. Statement 1046
Removing the Access Point from Service
When removing an access point from service, make sure you remove power from the access point before
opening the cover and disconnecting the AC input wiring. When removing the AC wiring, the ground
connection should be the last to be disconnected.
Conducting Periodic Inspections
The access point should be inspected periodically to ensure normal and airtight operation in the
hazardous location environment.
Table 5
Inspection Routine
Inspect O-ring seals and exterior electrical connections for aging, corrosion, and low
ground resistance.
Inspect cover and liquid tight adapter gaskets for airtightness
What to Do Next
When you power up a MAP that is not connected to a wired Ethernet, fiber-optic, or cable network to
the controller, the access point uses the Cisco Adaptive Wireless Path Protocol to bind to another MAP
with the best path to a RAP connected to the wired network to a controller. The access point sends a
Cisco Aironet 1520 Series Outdoor Mesh Access Point Mounting Instructions
68
Table 5 lists the inspection routines and their periodicity.
Periodic Inspection Table
Periodicity
Every 3 years
Every 5 years
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