Telex MS-2002 user manual Speaker Output Output Level

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Connector Type: Uses same connectors as for balanced mode, above, but without pinouts modified by BAL/UNBAL switch on back panel as follows

XLR-3 Unbalanced Configuration Pinouts

Pin 1 Common

Pin 2 +24 VDC input

Pin 3 Intercom audio high

XLR-6 Unbalanced Configuration Pinouts

Pin 1 Common

Pin 2 Local Power (12 to 15 VDC, 65 to 150mA)

Pin 3 Channel 1 +24 VDC input

Pin 4 Channel 1 Intercom audio high and DC call

Pin 5 Channel 2 +24 VDC input

Pin 6 Channel 1 Intercom audio high and DC call

PA Output

Output Level:

235 mVRMS nominal

Connector Type: 3.5mm Stereo Phone Jack

Tip: PA output high

Ring: Not used

Sleeve: Common

Speaker Output

Output Level:

0dB nominal (1.0VRMS)

Output Impedance:

1000 Ohm nominal

Frequency Response:

200Hz to 8kHz +1/-3dB

Connector Type: RCA Phono Jack

Tip: Speaker output high

Sleeve: Common

Expansion Input/Output

Type:

3.5mm stereo phone jack

Tip: Tip Output

Ring: Listen input

Sleeve: Common

Headphone Amplifier

Voltage Gain:

30±3dB Maximum Output:

250mW ±10% into 150 Ohm, 65mW ±10% into 600 Ohm Frequency Response:

200Hz to 8kHz +1/-3dB Incoming Call Beep Tone:

2kHz, at the headphones Total Harmonic Distortion:

Less than 0.2% at 200mW Sidetone:

18±dB, adjustable

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Contents Master Station and Power Supply MS-2002See the enclosed warranty card for further details Important Safety Instructions Page Contents Page Introduction DescriptionFeatures MS-2002 Reference ViewInstallation Configuration Pre-checkSwitch # Description Settings Default Headset Microphone Type Selection DIP Switch Mic Kill Send Enable DIP SwitchProgram Interrupt DIP Switches Incoming Call Beep DIP SwitchesMonaural or Binaural Operation DIP Switches Balanced Unbalance SwitchesDirect Program Listen Enable / Disable Jumpers Settings for JumpersConnections MountingExternal Program Input and PA Output Cables Page MS-2002 Binaural Master Speaker Station Configuration MS-2002 Typical Speaker Station and Belt Pack Connections Page Audiocom Intercom Cables Page Power-Up Check Operation and SpecificationsTest Tone Sidetone Adjustment MS-2002 Bottom ViewVoice-Activated Microphone VOX Setup OperationTo check and set the VOX level, do the following Tap the Mic Kill keyTo call an intercom channel, do the following To mute the microphone during talk, do the followingUsing Mic Kill Public AddressTo use the public address system, do the following To turn the program inputs on and off, do the followingTo enable incoming call beep, do the following Using Voice-Activated Microphone VOXIncoming Call Beep on / OFF Specifications General Power RequirementsSpeaker Output Output Level Quick Reference Description Action