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IP LDK-20 Installation Manual KSU Installation
8
SECTION 2. KSU INSTALLATION
2.1 Pre-Installation
Please read the following guidelines concerning installation and connection before installing the IP LDK-20 System.
Be sure also to comply with applicable local regulations.
2.1.1 Safety installation instructions
When installing the telephone wiring, basic safety precautions should always be followed to reduce the risk of fire,
electric shock and personal injury, including the following:
• Never install the telephone wiring during a lightning storm.
• Never install the telephone jack 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.
• Anti-static precautions should be taken during installation.
2.1.2 Installation precautions
The IP LDK-20 System is designed for wall mounting or a free-standing rack. Avoid installing in the following places.
• In direct sunlight and hot, cold, or humid places. Temperature range : 0 to 40℃
• Places where shocks or vibrations are frequent or strong.
• Dusty places, or places where water or oil may come into contact with the system.
• Near high-frequency generating devices such as sewing machines or electric welders.
• On or near computers, fax machines, or other office equipment, as well as microwave ovens or air conditioners.
• Do not obstruct the area around the IP LDK-20 System (for reasons of maintenance and inspection)
• Do not block the openings on the top of the IP LDK-20 System.
• Do not stack up the optional service boards.
2.1.3 Wiring precautions
Be sure to follow these precautions when wiring.
• Do not wire the telephone cable in parallel with an AC power source, such as a computer, fax machine, etc. If the
cables are run near those wires, shield the cables with metal tubing or use shielded cables and ground the shields.
• If the cables are run on the floor, use protectors to prevent the wires from being stepped on. Avoid wiring under
carpets.
• Avoid using the same power supply outlet for computers, fax machines, and other office equipment to avoid
induction noise interruption when using the IP LDK-20 near other machines.
• The power and battery switches of the IP LDK-20 System must be OFF during wiring. After the wiring is
completed, the power switch may be turned ON.
• Incorrect wiring may cause the IP LDK-20 System to operate improperly.
• If an extension does not operate properly, disconnect the telephone from the extension line and then re-connect,
or turn the power of the IP LDK-20 System OFF and ON again.
• Use twisted pair cable for CO line connection.