TC Communications TC1920, Руководство пользователя

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B Safety Power Supply
TC1920 Rev 1.3 User Manual B-2
B.2.3 Recycling
After usage, this product must be disposed of properly as electronic waste in
accordance with the current disposal regulations of your county / state /
country.
B.3 Power Supply
This device is electrically operated. Adhere strictly to the safety
requirements relating to voltages applied to the device as described in the
Specifications, on page 1-6.
B.3.0.1 General Safety Instructions
The TC 3848 is designed for operation with a safety extra-low voltage. It
may only be connected to the supply voltage connections and to the signal
contact with SELV circuits with the voltage restrictions in accordance with
IEC/EN 60950-1. The supply voltage is electrically isolated from the housing.
• Use only undamaged systems! See Installation, on page 2-1.
• Relevant for North America: For Use in Class 2 Circuits. The subject
unit is to be supplied by a Class 2 power source complying with the
requirements of the National Electrical Code, table 11(b). If the power is
redundant supplied (two individual power sources) the power sources
together should comply with the requirements of the National Electrical
Code, table 11 (b).
• Relevant for North America: Use 60/75°C or 75°C copper wire (CU)
only.
• Relevant for North America for devices certified for hazardous
locations: Peripheral equipment must be suitable for the location it is
used in. Power, input and output (I/O) wiring must be in accordance
with Class I, Division 2 wiring methods [Article 501-4(b) of the National
Electrical Code, NFPA 70] and in accordance with the authority having
jurisdiction.
NOTE Appropriate testing has established that this device fulfills the
requirements of a class A digital device in line with part 15 of
the FCC regulations.
These requirements are designed to provide sufficient
protection against interference where the device is being used
in a business environment. The device creates and uses high
frequencies and can radiate same, and if it is not installed and
used in accordance with this operating manual, it can cause
radio transmission interference. The use of this device in a
living area can also cause interference, and in this case the
user is obliged to cover the costs of removing the interference.