GE A8950CC installation instructions Audio Module Specifications, Product 0rdering

Page 51

Audio Module Specifications

Model

A8920A Audio Module

Mechanical

Size

0.75 in. W x 3.30 in. H x 8.88 in. L (19 x 84 x 226 mm)

Weight

4.0 oz. (113 g)

Connections:

RJ45 or factory-supplied breakout box

Audio

Channels: 4 duplex

Input signal: Maximum +8 dBm or +18 dBm, switch-selectable

Input impedance: > 30 K ohms or 600 ohms, switch-selectable

Frequency response: 20-20 kHz

Output signal level: Maximum +8 dBm or +18 dBm, switch-selectable

Output impedance: < 30 ohms unbalanced; < 60 ohms balanced

Audio sampling rate: > 46.8 kHz

Signal-to-noise ratio: > 90 dB

Total harmonic distortion: < 0.003%

24 bit AD

Test signal: 1 kHz @0 dBu

Product 0rdering

Model

Part number

Audio module

A8920A

49

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Contents Installation instructions Installation Instructions Conventions Used in this Manual Before You BeginIntended Use Customer SupportOverview Installing Power SuppliesModule Installation Getting StartedConnect fiber Installing the Optical Transceiver ModuleInstallation instructions Tools and materials requiredPoint-to-Point Connect Repeater ConnectSelf-Healing Connect Optic LED LED operating statusInstalling the Data Module Configure data moduleSetting Mode Connect Install data moduleFiber Link Data Connections Using the breakout boxPin Signal Data module channel sequence RS-485 4-WIRE InterfaceInstall the Ethernet module Installing the Ethernet ModuleConfigure Installing the Video Module Install video input moduleInstall video output module Connection instructions Video InputsVideo Outputs Video Output module channel sequence Video Input module channel sequenceConfigure audio module Installing the Audio ModuleChannel sequence is as follows Installing audio modulesConnecting to audio modules Terminal Block Pin Assignments Audio module channel sequenceInstall contact closure module Installing the Contact Closure ModuleRJ45 Socket Viewed from the rear of the unit Connect to the moduleContact Input module channel sequence Configuring the Phoenix Fiber Optic Communications System Select the system topology Turn on power and check statusGE Security Set the Node ID Front Panel Menu Tree and Descriptions Main Menu Main LocalMain Local Node Main Local Node Topology Main Local Node IDMain Local Optics Receive Main Local Node Load DefaultsMain Local Optics Main Local Optics TransmitMain Local Optics Info Main Local VideoMain Local Video Input Mapping Main Local Video Output Mapping Video Test Channel Test Off Format Ntsc Main Local Data Input Mapping Main Local DataMain Local Data Output Mapping Main Local Data Format Select Main Local -Ethernet Port Traffic Main Local EthernetMain Local Ethernet Port Status Main Local -Ethernet Port ControlMain Local Audio Main Local Audio Input MappingMain Local Audio Output Mapping Main Local Audio Test Main Local ContactsMain Local Contacts Input Mapping Main Local Contacts Output Mapping Main Local Contacts ConfigureMain Local Test Main Local PowerMain Local Test Data Main Local Test LED/LCD/AlarmMain Local Test Temp Main Local Test VideoMain About Main RemoteOverview Limited warranty Blank Panel Installation and SpecificationsProduct ordering Optical Transceiver Module SpecificationsData Data Module SpecificationsEthernet Ethernet Module SpecificationsVideo Video Module SpecificationsProduct 0rdering Audio Module SpecificationsContacts / Relays Contact Closure Module Specifications