Cisco Systems OL-21035-01 사용자 설명서
6-10
Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.0
OL-21035-01
Chapter 6 Troubleshooting and Maintenance
Cleaning the ATA 187
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Cisco Products and Services (Technical Support and Documentation):
Cleaning the ATA 187
To clean your ATA 187, use a soft, dry cloth to wipe the surface. Do not apply liquids or powders directly
on the device. As with all non-weather-proof electronics, liquids and powders can damage the
components and cause failures.
on the device. As with all non-weather-proof electronics, liquids and powders can damage the
components and cause failures.