Download LOOP-AM MODEL 3440 USER`S MANUAL
Transcript
Chapter 2 Installation 2 Installation CAUTION: • Never install telephone wiring during a lightning storm. • Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. • Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface. • Use caution when installing or modifying telephone lines. 2.1 Site Selection The following list indicates a site selection guideline. User need to follow this guideline to select a proper installation site. • Location of the Rack should be part of the central office equipment layout design. Considerations should be given to entrance cable routing and -48 Vdc power. • The installation site should have -48 Vdc power. An optional AC/DC power converter can be used. Use Only with Class 2 power source, -48 Vdc, 100 watts. 2-1