Telex BP-1002, BP-2002 operating instructions Printed Circuit Board

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Figure 3. Printed Circuit Board

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Contents Telex Page Introduction End-User License Agreement for Telex Software Initial BP-1002/BP-2002 Setup System PowerBP-2002 & BP-1002 Connections and Controls Connections and Controls External Connections & ControlsIntercom Channel Connectors On the BP-2002 Operating Modes Changing Modes of Operation Internal SWITCHES, Jumpers and Adjustments Side Tone Adjustment R145 Internal Switches and Jumpers Headset Connector Connector PIN ConfigurationsBP-2002 Interface Requirements GeneralHeadphone Amplifier Electret Microphone Amplifier Dynamic Microphone AmplifierBoard Number Eliminating MIC-KILL and Call Signal Restoring MIC-KILL and Call SignalGeneral Description Printed Circuit Board Factory Service