Cisco 7905 Phone Manual - Page 9
Browse online or download pdf Phone Manual for IP Phone Cisco 7905. Cisco 7905 46 pages. Ip talk series
Also for Cisco 7905: User Manual (19 pages), User Manual (10 pages), Quick Reference Manual (7 pages), Reference Manual (20 pages), User Manual (8 pages), Quick Reference Manual (7 pages)
Using an External Power Supply
The following warnings apply when you use the external power supply with the Cisco IP Phone:
Warning
This product relies on the building's installation for short-circuit (over current)
protection. Ensure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S. (240 VAC,
10A international) is used on the phase conductors (all current-carrying conductors).
Warning
The device is designed to work with TN power systems.
Warning
The plug-socket combination must be accessible at all times because it serves as the
main disconnecting device.
Use only a Cisco-approved power supply.
Caution
Cisco IP Phone 7905G and 7912G for Cisco CallManager
Getting Started
3