Ringing Generators; Regulatory Approvals - Black Box Compact T1 MT850A User Manual

Multi-service delivery terminal
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Power Supply
Technical Specifications

Ringing Generators

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Nominal 85 V rms (108 V rms max)
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Referenced to -54 VDC (-60 VDC max) output
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Supports three jumper-selectable ringer waveform shapes
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Drives 25 REN indefinitely with minimum output voltage of 65 V rms at normal
ringer cadence
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Ringer frequency is selectable, 20 25 or 50 Hz
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Overload protected

Regulatory Approvals

USA
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UL60950
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FCC Part 15, Class A
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NEBS Level 3 certified for type 2 and 4 equipment
GR-1089-CORE, GR-63-CORE
Canada
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CSA C22.2 No. 60950-00
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ICES-003, Class A
Mexico
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NOM 19, Safety of Data Processing Equipment
11-4
± 15%
Compact T1 - Release 6.1

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