AI-MS900 Master Station Connection and Adjustment | Aiphone AI-900

12.4. AI-MS900 Master Station Connection and Adjustment

12.4.1. External speaker connection

Follow the procedures below when connecting an external speaker (8Ω).

Step 1. Remove the AI-MS900's rear terminal cover and set the internal slide switch to the [EXT. SP] position.

Internal/External speaker selection switch

Terminal cover

EXT.SP terminal

Microphone sensitivity control

Internal speaker volume control

Step 2. Connect the speaker cable to EXT.SP terminal.

Speaker cable

Step 3. Replace the removed terminal cover in place.

12.4.2. Internal speaker volume and microphone sensitivity adjustment

The AI-MS900's internal speaker volume and microphone sensitivity can be adjusted by means of their respective controls located under the terminal cover described above. Both controls are factory-preset to their maximum positions.

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Aiphone AI-900 installation manual AI-MS900 Master Station Connection and Adjustment, External speaker connection

Contents

Installation Manual Voice Security System Table of Contents Speech and Function Tests When mounted on a wall Safety PrecautionsSafety Symbol and Message Conventions When the Unit is in Use Applicable to the exchange Applicable to the exchange FCC Requirements Industry Canada Requirements General Description FeaturesInstallation Precautions System Configuration and Equipment Functions System Configuration Equipment Functions AI-900MF Main Frame Nomenclature and Functions Installation and Connection Procedures Rack mounting Equipment InstallationAI-900MF Main Frame 55.2 AI-PU200 Power Transformer Unit Wall mounting Dimensional diagram AI-RS150, AI-RS160, AI-RS170 and AI-RS180 Substations Master Station Desk-top mounting Battery replacement AI-900MF Card InstallationBackup Battery Installation Card Installation Wiring Wiring from the Station or Outside Line Supplied Connector Connection View a Station Address SettingAI-900MS Master Station Interface Card Connection Master Station and AI-900MS connection Connection AI-900MS and AI-MS900 connection External recording device and AI-900MS connection CN3 CN4 AI-MS900 Master Station Connection and Adjustment External speaker connection AI-900AL Telephone Interface Card Connection Telephone and AI-900AL connection Setting telephones talking volume levels Setting of telephone volume switches on the AI-900AL card External recording device and AI-900AL connection AI-900RS Substation Interface Card Connection Substation and AI-900RS connection External amplifier and AI-900RS connection AI-900CO Outside Line Interface Card Connection Outside line and AI-900CO connection External recording device and AI-900CO connection External amplifier and AI-900AF connection AI-900AF Audio Function Card ConnectionAmplifier and AI-900AF connection External sound source and AI-900AF connection External sound sources and AI-900AF connection Termination resistance setting AI-900TI Tie-Line Interface Card Exchange Interconnection Exchange interconnection by means of AI-900TI Exchange Number Setting Exchange No. setting AI-900MF and power supply connection Direct connection by means of RS-232C Main Frame and PC ConnectionProgramming PC Connection Direct connection by means of RS-232C Programming PC Connection via modem Connection via modem Programming PC Operation Log PC Connection Direct connection by means of RS-232C Operation log PC System Programming Connection via modem Operation log PC Function Test Speech and Function TestsSpeech Test Calls from the substation AI-900MS Master Station Interface Card SpecificationsAccessories AI-900AL Telephone Interface Card AI-900RS Substation Interface Card AI-900CO Outside Line Interface Card AI-900AF Audio Function Card AI-900TI Tie-Line Interface Card AI-YC303 Main Frame Wall Mounting Bracket