Eaton ExResistTel ZB, Руководство по эксплуатации

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Foreword
Our explosion-proof, weather-resistant telephone is a captivating
product on account of its precision, convenience, long service life and
reliability. It is freely programmable and the optimum choice for adverse
ambient conditions. Be it seawater, high atmospheric humidity, dust or
the toughest mechanical strains, the weather-resistant telephone
accomplishes its aim in any conditions. The reason for this is the robust
keypad made of stainless steel and an extremely solid housing made of
impact-resistant and shockproof cast-moulding material. All of the
components utilised are even resistant to leeches and lubricants. The
21-component stainless steel keypad – which can be operated by a user
wearing gloves – and the easily readable alphanumeric display as well
as the uncomplicated menus all ensure simple operation – thus fulfilling
the requirements for a leading-edge and operationally reliable means of
communication. As a telephone suitable for connecting to the public
telephone network and to private automatic branch exchanges, the
ExResistTel always ensures reliable connections.
ExResistTel ZB is designed for telephone exchange operation and
corresponds to the ExResistTel, except for keypad and display.