Audio Systems 341A-Touchtone Telephone Interface Multimode Fibre | Single-Mode Fibre Features Specifications Diagram Back to Audio Systems Index Features Two-Way Transmission Over One or Two Multimode Fibres. Meets FCC Regulations-Part 68 (FCC Version). AGC Circuitry. Diagnostic Indicators: Level/LossTM LED at the Receiving End. True 90 V RMS AC ring Voltage. Modular or Rack-Mount Units. Operates Over Distances Up To 10,000 Feet (3048 Meters). Architect and Engineer Specifications Audio Audio Bandwidth: 150 Hz to 5 kHz. Signal-to-Noise Ratio: > 50 dB @ maximum optical attenuation. I/O Impedance: 600 ohms balanced. I/O Standard Touchtone Telephone Connectors: Optical, AT&T Type ST; Audio (Phone Line) Connector, RJ11C. Power/Temperature/Size 12 VAC @ 1 amp; + 14~16 VDC. Operates at 32° to 122° F (0° to 50° C). Storage at -40° to 185° F (-40° to 85° C). Two-Fibre Modular units: 4.5" W x 4.0" D x 1.8" H (11.56 x 10.2 x 4.95 cm). One-Fibre Rack units: Occupy two rack slots. Two-Fibre Rack units: Occupy one rack slot. Single-mode fibre version of this product is available. The model number is 2210D. For more information on this system, please complete our enquiry form.
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