The Line Isolation Unit series of products have outstanding and versatile features to suit all of today’s demanding safety telecommunication applications, from voice calls to data transfer. Designed specifically for situations where there is a possibility of Earth Potential Rise (EPR) or high potential differences between the customer premises and the Public Switched Telephone Network (PSTN). The LIU series also offers highly secure lines for confidential conversations and data transfer. Fibre optic lines cannot be tapped, hi-jacked or tampered with making it the ideal choice for private lines.
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