Section 1:Introduction; Specifications - DSC MAXSYS PC4936 Instruction Manual

Section 1: Introduction

1.1 Specifications

NOTE: In order for the PC4936 module to operate properly, the power
output capability from the AUX terminals combined must not be
exceeded. Use the data presented below to ensure that the PC4936
module is not overloaded when connecting audio stations.
PC4936 Audio Interface Module
• Standby current draw - 65 mA
• Maximum current draw - 100 mA
• Total current-providing capability between AUX terminals - 500 mA
• Input impedance at any microphone input - 25kΩ
• Maximum music input signal level amplitude - 200 mV peak to peak
• Connect up to 7 audio stations (interior or exterior)
• Page function
• Monitor function
• Answer incoming calls
• Alarm output follower
PC4937 Eight-Port Expansion Module
• Current draw - 5 mA
• Connect up to 8 audio stations (interior or exterior)
• Total current providing capability between AUX terminals - 500 mA
• Input impedance at any microphone input - 25kΩ
• Maximum music input signal level amplitude - 200 mV peak to peak
PC5921 Interior Audio Station
• Standby current draw - 20 mA
• Maximum current draw - 50 mA
• Built-in speaker and microphone
PC5921EXT Exterior Audio Station
• Standby current draw - 20 mA
• Maximum current draw - 50 mA
• Built-in speaker and microphone
PC5921EXT/R Exterior Audio Station
• Standby current draw - 20 mA
• Maximum current draw - 50 mA
• Built-in speaker and microphone
• Relay output for doorbell circuit connection
PC5904 Central Station Talk/Listen Module
• Standby current draw - 30 mA
• Maximum current draw - 175 mA
• Built-in microphone and 8.9 cm (3.5 inch) speaker
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