Telex Ms 4002 Users Manual Audiocom Technical Data Sheet
MS-4002 to the manual 96cacd80-3153-4677-b876-662ad9edd057
MS-4002 Technical Data Sheet
2015-02-02
: Telex Telex-Ms-4002-Users-Manual-449698 telex-ms-4002-users-manual-449698 telex pdf
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MS-4002 Master Station and Power Supply The MS-4002 is a complete 4-channel, balanced audio master station and 4-amp system power supply 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. The MS-4002 is now equipped with an Advanced programming Mode on the front panel, eliminating the need for internal DIP switches. It also has a feature that automatically senses the type of headset attached to the unit, either dynamic or electret. The MS-4002 fits in a standard 19-inch equipment rack and is 1 rack unit high. The MS-4002 is Clear-Com compatible, with the ability to run in unbalanced mode. Features Auto-Sensing Headset Connector The MS-4002 has a built-in autosensing headset connector that will determine automatically whether a dynamic or electret headset is connected to the system. Speaker Station or Headset Station Use the built-in speaker for listening and add an optional Telex MCP-90 series Gooseneck Panel Microphone for talkback. You can also turn off the speaker volume, and plug in a headset 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 Use your intercom microphone to talk over a PA system. Back-lit Keys Improves visibility in low-light Incoming Call Indications Red flashing call light, with beep tone if desired. Mic Kill Key You can turn off all microphones on a channel to quickly clear the channel. Line Drawing 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-4002 operator is talking on the channel. Listening with External Powered Speakers You can connect external powered speakers and then monitor channels 1, 2, 3 and 4. Expandable Add more channels by connecting optional EMS-4001 Expansion Stations. Each EMS-4001 adds four additional powered channels (up to twenty channels). Instantaneous Auto-Reset Instantaneous Auto Reset (IAR), the newest 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. Clear-Com Compatible Can run in unbalanced mode. MS-4002 Specifications General Power Requirements: AC Input: 100-240 VAC, 50/60 Hz Channel Power: 24 VDC nominal (12 to 30 VDC), 65 to 150 mA MS-4002 is capable of supplying 4 amps overall Dimensions: 1.75” (44.5 mm) high, 19” (483 mm) wide, 10.31” (261.9 mm) deep Weight: approximately 4.5 lb (2 kg) Environmental Requirements: Storage: -20°C to 80°C; 0% to 95% humidity, non-condensing Operating: -15°C to 60°C; 0% to 95% humidity, non-condensing Dynamic-mic Headset Microphone: 50 to 200 Ω, dynamic (balanced or unbalanced) Headphones: 150 to 600 Ω, monaural Connector Type: XLR-4M Pin 1 Microphone low Pin 2 Microphone high Pin 3 Headphone high Pin 4 Headphone low Panel Microphone Input Microphone Type: Electret condenser Power: Phantom (+5 VDC) Nominal Level: -42 dBu Maximum Level: -25 dBu Connector Type: IKP12 (MCP-90 series, stereo plug connector) Program Input Input Level: 100mV maximum Voltage Gain: 25 ±3 dB Output Level (to intercom channel) :1.0 Vrms nominal, 2.3 Vrms max. Input Impedance: 75 k Common Mode Rejection: Greater than 50 dB Connector Type: 9-pin female D-sub (DE9S) 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 Intercom Channels, Balanced Mode (Both Back Panel and internal switches (BAL/UNBAL) must be set to same setting) Output Level: 1 Vrms nominal Input Impedance: 300 Ω Bridging Impedance: greater than 10,000 Ω Sidetone: -40 dB, 35 dB adjustable range Call Signaling: Contact Information Telex Communications, Inc. 12000 Portland Avenue South Burnsville, Minnesota 55337 Telephone: (800) 392-0498 Fax: (800) 323-0498 Form Number: 38110-426B Date: February, 2006 Send: 20 kHz ±100 Hz, 0.5 Vrms ±10% Receive: 20 kHz ±800 Hz, 100 mVrms Mic-Kill Frequency: Send: 24 kHz ±300 Hz, 0.5 Vrms ±10% Detect: 24 kHz ±800 Hz, 100 mVrms Noise Contribution: less than -70 dB Common Mode Rejection Ratio: greater than 50 dB Connector Type: One XLR-3M and XLR-3F pair, wired in parallel, for each channel (permits “loop-thru” connection). XLR-3 Balanced Configuration Pinouts Pin 1: Common Pin 2: Intercom audio low and +24 VDC input Pin 3: Intercom audio high and +24 VDC input Intercom Channel, Unbalanced Mode (Both Back Panel and internal switches (BAL/ UNBAL) have to be set to same setting) Output Level: 1 Vrms ±10% Input Impedance: 150 Ω Bridging Impedance: greater than 10,000 Ω Call Signaling: Send: 11 ±3 VDC Receive: 4 VDC minimum Connector Type: Uses same connectors as for balanced mode, above, but with 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 PA Output Output Level: 235 mVrms nominal Connector Type: ⅛-inch Stereo Phone Jack Tip: PA output high Ring: Not used Sleeve: Common Speaker Output Output Level: 0 dB nominal (1.0 Vrms) Output Impedance: 1000 Ω nominal Frequency Response: 200 Hz to 8 kHz +1/-3dB Connector Type: RCA Phono Jack Tip: Speaker output high Sleeve: Common Expansion Input /Output Type: 2.0 mm stereo phone jack Tip: Talk output Ring: Listen input Sleeve: Common Headphone Amplifier Voltage Gain: 30 ±3 dB Maximum Output: 250 mW ±10% into 150 Ω, 65 mW ±10% into 600 Ω Frequency Response: 200 Hz to 8 kHz +1/-3db Incoming Call Beep Tone: 2 kHz, at the headphones Total Harmonic Distortion: Less than 0.2% at 200 mW Sidetone: 18 ±2 dB, adjustable Ordering Information MS-4002 4 channel user/main station with 4.0 amp power supply Catalog Number: 90007799000 This specifications information is preliminary and is subject to change without notification. Brand names mentioned are the property of their respective companies.
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