Cisco 7940G Phone Guide - Page 10
Safety and Performance Information - power
![]() |
UPC - 746320907345
View all Cisco 7940G manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 10 highlights
Safety and Performance Information Installing and Using Your Phone Read the following safety notices before installing or using your Cisco IP Phone: Warning IMPORTANT SAFETY INSTRUCTIONS This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device. SAVE THESE INSTRUCTIONS Warning Read the installation instructions before you connect the system to its power source. Warning Ultimate disposal of this product should be handled according to all national laws and regulations. Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. Warning To avoid electric shock, do not connect safety extra low voltage (SELV) circuits to telephone network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports use RJ-45 connectors. Use caution when connecting cables. Caution Inline power circuits provide current through the communication cable. Use the Cisco provided cable or a minimum 24 AWG communication cable. Warning The power supply must be placed indoors. 2 OL-4637-02
![](/manual_guide/products/cisco-7940g-phone-guide-042c7c7/10.png)