18 Matrix ETERNITY NE System Manual
Installation Site
The ETERNITY NE maybe be mounted on a table or on the wall. Select an appropriate site to install the ETERNITY
NE taking into consideration the following recommendations and precautions:
• The site of installation should be well-ventilated, moisture and dust free, and not exposed to direct sunlight,
heat or excessive cold.
• The site should not be near any source of electromagnetic noise such as any radio equipment, heavy
transformers, faulty electric chokes of tube-lights, any device having faulty coil, etc.
• The site should be at equidistant from all the extensions to simplify cabling network and reduce cabling
costs.
• The site should allow installation of the system at a clearance of at least 3.5 feet off the ground. Installation
at this height makes preventive or corrective maintenance tasks easy.
• If the system has GSM/UMTS module, the site should have sufficient network coverage available.
For more details, refer “Protecting ETERNITY NE and Yourself”.
Cables
• Select standard, good quality telephone cables with 0.5 mm conductor diameter for the internal as well as
over-head cabling.
• Use twisted pair wires to reduce interference.
• Use separate cable conduits for electrical and telephone cables.
• The length of the cables must not be too long. They must have minimum number of joints. This will help
you detect cable faults easily.
Extension Telephones
Select appropriate telephone instruments to be connected to the SLT ports. You may connect any standard
telephone instrument like rotary phone, Pulse/Tone switchable push-button phone, Feature phone or Cordless
phone. So, you can also use your existing telephone instruments.
Provide Power Supply
• The DC Adapter (24VDC-2 Amp) provided with ETERNITY NE works with input voltage ranging between
100-240VAC.
• Arrange for a separate power point and switch, close to the system.
• Power supply for the system must be separate from other heavy electrical loads like Air-conditioners,
heaters, welding machines, electrical motors, etc.
• The use of a UPS is recommended in case you experience frequent power failures.
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