Audiocom MS-4002 사양 - 페이지 2

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General

Power Requirements:

AC Input: 100-240 VAC, 50/60 Hz

Channel Power: 24 VDC nominal (12 to 30 VDC), 65 to 150

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-condens-

ing

Operating: -15°C to 60°C; 0% to 95% humidity, non-con-

densing

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 connec-

tor)

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 set-

ting)

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

MS-4002 Specifications

Mic-Kill Frequency:

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 paral-

lel, 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:

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

PA Output

Output Level: 235 mVrms nominal

Connector Type: ⅛-inch Stereo Phone Jack

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

Expansion Input /Output

Type: 2.0 mm stereo phone jack

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

Send: 20 kHz ±100 Hz, 0.5 Vrms ±10%

Receive: 20 kHz ±800 Hz, 100 mVrms

Send: 24 kHz ±300 Hz, 0.5 Vrms ±10%

Detect: 24 kHz ±800 Hz, 100 mVrms

Send: 11 ±3 VDC

Receive: 4 VDC minimum

Pin 1: Common

Pin 2: +24 VDC input

Pin 3: Intercom audio high

Tip: PA output high

Ring: Not used

Sleeve: Common

Tip: Speaker output high

Sleeve: Common

Tip: Talk output

Ring: Listen input

Sleeve: Common

Ordering Information

MS-4002

4 channel user/main station with 4.0 amp power sup-

ply

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.