Telex MS-2002 2 Channel Main Station and Power Supply for Wired Intercom System, 1000Ohms Output Impedance, 200Hz to 8 kHz Speaker Frequency Response

SKU: TEMS2002

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Telex MS-2002 Specifications

  • Power Requirements: AC Input

    100-240V AC, 50/60Hz

  • Channel Power

    24V DC nominal (12 to 30V DC), 65 to 150mA MS-2002 is capable of supplying 1 amp per channel overall

  • Storage Temperature

    -20 deg. C to 80 deg. C / -4 deg. F to 176 deg. F; 0% to 95% humidity, non-condensing

  • Operating Temperature

    -15 deg. C to 60 deg. C / 5 deg. F to 140 deg. F; 0% to 95% humidity, non-condensing

  • Dynamic-Mic: Microphone

    50 to 200Ohms, dynamic (balanced or unbalanced)

  • Dynamic-Mic: Headphones

    150 to 600Ohms, monaural

  • Dynamic-Mic Headset: Connector Type

    XLR-4M

  • Dynamic-Mic Headset: Pin Type

    Pin 1: Microphone low
    Pin 2: Microphone high
    Pin 3: Headphone high
    Pin 4: Headphone low

  • Panel Microphone Input Type

    Electret condenser

  • Panel Microphone Input Power

    Phantom (+5V DC)

  • Panel Microphone Input Nominal Level

    -42dBu

  • Panel Microphone Input maximum Level

    -25dBu

  • Panel Microphone Input Connector Type

    IKP12 (MCP-90 series, stereo plug connector)

  • Program Input Level

    2.3VrmsmAximum, 1.0Vrms nominal

  • Program Input Voltage Gain

    25 +/-3dB

  • Program Input Output Level

    2.3VrmsmAximum, 1.0Vrms nominal

  • Program Input Impedance

    75k

  • Program Input Common Mode Rejection

    Greater than 50dB

  • Program Input Connector Type

    9-pin female D-sub (DE9S)

  • Program Input Pin Type

    Pin 1: Ground
    Pin 2: Program 1 input low
    Pin 3: Program 2 input low
    Pin 4: NC
    Pin 5: NC
    Pin 6: Program 1 input high
    Pin 7: Program 2 input high
    Pin 8: NC
    Pin 9: NC

  • Output Level

    Balanced Mode: 1 Vrms nominal
    Unbalanced Mode: 1 Vrms +/-10%

  • Input Impedance

    Balanced Mode: 300Ohms
    Unbalanced Mode: 150Ohms

  • Bridging Impedance

    Balanced Mode: greater than 10000Ohms
    Unbalanced Mode: greater than 10000Ohms

  • Sidetone

    Balanced Mode: -40dB, 35dB adjustable range

  • Call Signaling: Send

    Balanced Mode: 20kHz +/-100Hz, 0.5 Vrms +/-10%
    Unbalanced Mode: 11 +/-3 VDC

  • Call Signaling: Receive

    Balanced Mode: 20kHz +/-800Hz, 100 mVrms
    Unbalanced Mode: 4 VDC minimum

  • Mic-Kill Frequency: Send

    Balanced Mode: 24kHz +/-300Hz, 0.5 Vrms +/-10%

  • Mic-Kill Frequency: Detect

    Balanced Mode: 24kHz +/-800Hz, 100 mVrms

  • Noise Contribution

    Balanced Mode: less than -70dB

  • Common Mode Rejection Ratio

    Balanced Mode: greater than 50dB

  • Connector Type

    Balanced Mode: One XLR-3M and XLR-3F pair, wired in parallel, for each channel (permits "loop-thru" connection)
    Two XLR-6M (Neutrik) connectors for 2-channel connection
    Unbalanced Mode: Uses same connectors as for balanced mode, above but with pinouts modify ed by BAL/UNBAL switch on back panel as follows:

  • XLR-3 Configuration Pinouts

    Balanced Mode: Pin 1: Common
    Balanced Mode: Pin 2: Intercom audio low and +24V DC input
    Balanced Mode: Pin 3: Intercom audio high and +24V DC input
    Unbalanced Mode: Pin 1: Common
    Unbalanced Mode: Pin 2: +24 VDC input
    Unbalanced Mode: Pin 3: Intercom audio high

  • XLR-6 Balanced Configuration Pinouts

    Pin 1- Audio and DC Common
    Pin 2- Local power (12 to 15V DC, 65 to 150mA)
    Pin 3- Intercom channel 1 audio low and +24V DC phantom power
    Pin 4- Intercom channel 1 audio high and +24V DC phantom power
    Pin 5- Intercom channel 2 audio low and +24V DC phantom power
    Pin 6- Intercom channel 2 audio high and +24V DC phantom power

  • 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 2 Intercom audio high and DC call

  • PA Output Level

    235 mVrms nominal

  • PA Output: Connector Type

    1/8" Stereo Phone Jack

  • PA Output: Tip

    PA output high

  • PA Output: Ring

    Not used

  • PA Output: Sleeve

    Common

  • Speaker Output: Level

    0dB nominal (1.0 Vrms)

  • Speaker Output: Impedance

    1000Ohms nominal

  • Speaker Output: Frequency Response

    200Hz to 8kHz +1/-3dB

  • Speaker Output: Connector Type

    RCA Phono Jack

  • Speaker Output: Tip

    Speaker output high

  • Speaker Output: Sleeve

    Common

  • Expansion Input /Output: Type

    2.0 mm stereo phone jack

  • Expansion Input /Output: Tip

    Talk output

  • Expansion Input /Output: Ring

    Listen input

  • Expansion Input /Output: Sleeve

    Common

  • Headphone Amplifier: Voltage Gain

    30 +/-3dB

  • Headphone Amplifier: Maximum Output

    250mW +/-10% into 150Ohms, 65mW +/-10% into 600Ohms

  • Headphone Amplifier: Frequency Response

    200Hz to 8kHz +1/-3db

  • Headphone Amplifier: Call Beep Tone

    2kHz, at the headphones

  • Headphone Amplifier: Harmonic Distortion

    Less than 0.2% at 200mW

  • Dimensions (H x W x D)

    1.75 x 19 x 10.31" / 44.45 x 482.6 x 261.87mm

  • Weight

    Approximately: 4.5lbs / 2.04kg

About Telex MS-2002

The MS-2002 is a complete 2-channel master station and system power supply (24 V DC, 2 Amps total power) in a single unit. You simply plug it into any AC power outlet from 100 to 240 volts, add a microphone or headset, connect intercom stations to the back panel and you're ready to communicate. It has combined 1-channel and 2-channel connectors, so you don't have to add a separate breakout box if you want to mix 1-channel and 2-channel intercom stations. It fits in a standard 19-inch equipment rack and is one (1) rack unit high. It can communicate with two (2) intercom channels.

Speaker Station or Headset Station uses the Built-In Speaker for listening and add an optional RTS MCP- 90 series Gooseneck Panel Microphone for talkback. You can also turn off the speaker volume and plug in headsets for private communication. Voice Activated Microphone (VOx) separate controls adjust the voice activation level for the headset microphone and panel microphone inputs. Public Address (PA) Output, with PA key uses your intercom microphone to talk over a PA system. Back-lit Keys improves visibility in low-light Incoming Call Indications with red flashing call light, with beep tone if desired. Instantaneous Auto-Reset technology in performance and safety, which uses a revolutionary new circuitry that dynamically monitors line fault conditions. Then, when the fault is removed, automatically brings individual power supply channels up.

Mic Kill Key can turn off all microphones on a channel to quickly clear the channel. Program Input for Each Channel connect any line-level audio source for monitoring in the speaker or headset, or for routing to the intercom channel. The program audio to the channel can be set to interrupt while the MS-2002 operator is talking on the channel. Binaural (Stereo) Listening with External powered speakers can connect external powered speakers and then monitor channel 1 and 2 as separate right and left audio. Expand channels by connecting optional EMS-4001 Expansion Stations. It is clear-com compatible.

What's in the box:

  • Telex MS-2002 2 Channel Main Station and Power Supply for Wired Intercom System
  • Telex 1 Year Warranty