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User Instructions

9350-7713-000  Rev. B, 3/2005

Model EMS-4001
Expansion Master Station

Audiocom

®

 Intercom Systems

Summary of Contents for Audiocom EMS-4001

Page 1: ...1 User Instructions 9350 7713 000 Rev B 3 2005 Model EMS 4001 Expansion Master Station Audiocom Intercom Systems...

Page 2: ...s the sole and exclusive express warranty given with respect to Audiocom products It is the responsibility of the user to determine before purchase that this product is suitable for the user s intende...

Page 3: ...le Disable Jumpers 6 Sidetone Trimmers 6 Mounting Configurations 8 Connection Notes 8 Cables 8 Power Up 9 Sidetone Adjustments 9 Operation 10 Specifications 10 General 10 Program Input Connectors 10 I...

Page 4: ...then be turned off from the MS 2001 Features Figure 1 EMS 4001 Front and back features 1 Intercom Talk Keys Momentary or latching hands free operation possible 2 Call Keys used to call intercom chann...

Page 5: ...m channel connector pin outs channel power requirements and call signaling requirements 11 Configuration switches Jumpers and Sidetone Controls These let you customize the operation of the EMS 4001 to...

Page 6: ...while the MS 2001 EMS 4001 station operator is talking Audiocom Call Send and Receive DIP Switches By default all channels of the EMS 4001 can send and receive Audiocom call signals You can disable ca...

Page 7: ...7 Table 1 EMS 4001 configuration switch settings...

Page 8: ...wires connected to pin 1 ME 25 25 7 6 m cable with male and female 3 pin XLR connectors ME 50 50 15 2 m cable with male and female 3 pin XLR connectors ME 100 100 30 4 m cable with male and female 3...

Page 9: ...MS 2001 Refer to the MS 2001 User Instructions for all power up information The MS 2001 and EMS 4001 can be powered up in any order Sidetone Adjustments Use the sidetone adjustment procedure as descri...

Page 10: ...ctors Input Level 100mV maximum Voltage Gain 25 3 dB Output Level to intercom channel 1 0Vrms nominal 2 3Vrms max Input Impedance 75k ohms Common Mode Rejection Greater than 50 dB Connector type DB9F...

Page 11: ...audio Common Pin 2 Intercom audio low and 24 VDC output Pin 3 Intercom audio high and 24 VDC output Intercom Channel Unbalanced Mode BAL UNBAL switch set to UNBAL Output Level 2 Vp p 750 mVrms Input I...

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