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Line Isolation Unit 10B

The Line Isolating Unit 10B provides high voltage isolation where primary-rate ISDN2 circuits are delivered to sites such as high voltage electricity sub-stations that are subject to a rise of earth potential

 

Specifications

Isolation
20kV AC
U interface specifications U interface coding
ETSI ETR 080 2B1Q
Characteristics to Line Characteristics to Equipment
Input voltage 18 to 99V DC Deactivated power <250 mW Activated power <650 mW Powered down current <10 uA Output voltage 90 to 9V DC Current limited to 40 mA
Power Reach
-40 to –60V DC @ 180 mA max 4 km
Size Weight
225 x 180 x 60mm 1 kg
Meets the requirements of
EMC Directive 89/336/EEC: emissions to BS EN 55022: 1998 class B, immunity to BS EN 55024: 1998. Low Voltage Directive 73/23/EEC: safety to BS EN 60950: 1998 BT specRC9042A, RC7355E (as regenerator)