Audio Systems 347A-Two-Way Audio (Four-Wire) Multimode Fibre | Single-Mode Fibre Features Specifications Diagram Back to Audio Systems Index Features Two-Way Transmission Over One or Two Multimode Fibres. AGC Circuitry. Diagnostic Indicators: Level/LossTM and Audio Status. Wideband Transmission. Modular or Standalone Units or Rack Cards. Operates Over Distances Up To 10,000 Feet (3048 Meters). Architect and Engineer Specifications Audio Bandwidth: 20 Hz to 15 kHz. Signal-to-Noise Ratio: > 50 dB @ maximum optical attenuation. I/O Level: 6 V p-p (+ 10 dBm maximum). I/O Impedance: 600 Ohms balanced or unbalanced. Connectors: Optical, AT&T Type ST; Audio, 9-pin sub D. Power/Temperature/Size + 12~16 VAC @ 400 mA. Operates at 32° to 122° F (0° to 50° C). Storage at -40° to 185° F (-40° to 85° C). One-fibre standalone units are furnished in 502R Miniature Rack: 9.25" D x 6.33" W x 2.05" H (23.5 x 16.08 x 5.2 cm). Two-Fibre modular (can) units: 4.5" W x 4.0" D x 1.1" H (11.56 x 10.2 x 2.79 cm). One-Fibre rack units occupy two rack slots; two-fibre rack units occupy one slot. Single-mode fibre version of this product is available. The model number is 2347A. For more information on this system, please complete our enquiry form.
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