Power Requirements
The following Cisco-approved power adaptors must be used with the Cisco IP Phone 7800 Series:
• Phihong adapter (PSC18U-480); Rating: 48 VDC 0.38A
• Delta adapter (EADP-18VB B); Rating: 48 VDC 0.375A
Energy Savings
Your administrator can reduce the amount of power that the phone screen uses when you're not using your
phone. Level of energy-saving that your administrator can set up:
• Power Save—The backlight or screen turns off when the phone has been inactive for a period of time.
You can manage the backlight.
Related Topics
Adjust the Phone Screen Backlight, on page 110
Additional Help and Information
If you have questions about the functions available on your phone, contact your administrator.
The Cisco website (https://www.cisco.com) contains more information about the phones and call control
systems.
• For quick start guides and end-user guides in English, follow this link:
https://www.cisco.com/c/en/us/support/collaboration-endpoints/
ip-phone-7800-series-multiplatform-firmware/products-user-guide-list.html
• For guides in languages other than English, follow this link:
https://www.cisco.com/c/en/us/support/collaboration-endpoints/
ip-phone-7800-series-multiplatform-firmware/tsd-products-support-translated-end-user-guides-list.html
• For licensing information, follow this link:
https://www.cisco.com/c/en/us/support/collaboration-endpoints/
ip-phone-7800-series-multiplatform-firmware/products-licensing-information-listing.html
Accessibility Features
Cisco IP Phones provide accessibility features for the vision impaired, the blind, and the hearing and mobility
impaired.
For detailed information about the accessibility features on these phones, see http://www.cisco.com/c/en/us/
support/collaboration-endpoints/unified-ip-phone-7800-series/products-technical-reference-list.html.
You can also find more information about accessibility at this Cisco website:
Cisco IP Phone 7800 Series Multiplatform Phones User Guide
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Your Phone
Power Requirements
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