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