Polycom C12, SR12, C16, C8 manual Telco

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Specifications

•THD+N: < 0.005%, -20 dB FS input signal

•Common mode rejection ratio: <-61 dB, 20-20,000 Hz, no weighting

•Cross talk: <-110 dB, 20-20,000 Hz, 1kHz, channel-to-channel

•Latency: Mic/Line inputs to outputs: 20 ms, AEC and NC processing enabled

•Acoustic echo cancellation span: 200 ms

•Total cancellation: >65 dB

•Convergence rate: 40 dB/second

•Noise cancellation: 0-20 dB, software selectable

•Control inputs: contact closure

•Status outputs: open collector 60 V and 500 mA maximum total per outputs

•All signal ground pins connected to chassis ground through low impedance planes

Telco

•Input gain: -100 to +20 dB in 1 dB steps, software adjustable

•Nominal transmit level: 0 dBu in SoundStructure device yields -15 to -17 dBm to phone (country code dependent)

•Off hook loop current: 10 mA (minimum) to 120 mA (maximum)

•Output gain: -100 to +20 dB in 1 dB steps, software adjustable

•Frequency response: 250-3300 Hz

•Dynamic range: >70 dB FS, 250-3300 Hz, "A" weighted

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Contents Revision a Trademark Information Contents Logic Examples Accessories -1 Regulatory Notices And Warranty InformationOverview Preparing For InstallationProduct Features Installation OverviewPackage Contents Page Safety Recommendations Tools Needed For InstallationGeneral Site Requirements Power Supply ConsiderationsPanel Diagrams Installing The SoundStructure C16, C12, C8, And SR12Front-panel LEDs are interpreted as follows Front-PanelRear Panel Installing The HardwarePlug-in Card Installation Phone Line Rack-Mounting The Polycom SoundStructure Device Connecting To Other Polycom Equipment With Conference Link2 Connecting To The LAN InterfaceLINK2 Obam OUT Device ID’s SoundStructureTM C8 IR Port RS-232 Making Audio Connections Balanced Audio Connections Unbalanced Audio Connections Connecting Logic PortsRemote Control Pin Signal Logic Inputs Logic Outputs Logic Output High On Low Off Powering Up The SystemConfiguring The SoundStructure Devices Technical Specifications SpecificationsThermal Telco Conference Link2 Pin Out SummaryWhite Obam LinkRS-232 IR ReceiverLogic Interface Audio Connections Balanced Audio Connections Unbalanced Audio Connections Page Contact Closure Logic InputSoundStructure Powered Relay Externally Powered RelayLogic Output Driving An LED Push To Talk Microphones Logic Input And OutputAnalog Gain Control Page Accessories Page USA And Canada Regulatory NoticesExhibit J Customer Information Canada Data EquipmentČesky Czech EEA European Economic Area Including SwitzerlandΕλληνική Greek Polish Center for Testing and Certification Notice Dyrektywy 1999/5/WE Japan Vcci AustraliaRest Of World KoreaWarranty Information Regulatory Notices And Warranty Information