Telex MS-2002 user manual Specifications, General Power Requirements

Specifications

General

Power Requirements:

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

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

MS2002 is capable of supplying 2 amps overall (1 Amp per channel)

Dimensions:

1.75” (44.5mm) high x 19” (483mm) wide x 10.31” (261.9mm) deep

Weight:

Approximately 4.5lb. (2kg)

Environmental Requirements:

Storage: -20°C to 80°C (-4°F to 176°F) 0% to 95% humidity, non-condensing

Operating: -15°C to 60°C (5°F to 140°F) 0% to 95% humidity, non-condensing

Dynamic-mic Headset

Microphone:

50 to 200 Ohm, dynamic (balanced or unbalanced)

Headphones:

150 to 600 Ohm, 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 (+5VDC)

Nominal Level:

-42dBu

Maximum Level:

-25dBu

Connector Type:

IKP12 (MCP-90 series, stereo plug connector)

Program Input

Input Level:

100mV maximum

Voltage Gain:

25 ±3dB

Output Level (to intercom channel):

1.0VRMS nominal, 2.3VRMS max.

Input Impedance:

75k Ohm

Common Mode Rejection:

Greater than 50dB

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 the same setting)

Output Level:

1VRMS nominal

Input Impedance:

300Ohm Bridging Impedance:

Greater than 10,000 Ohm Sidetone:

-40dB, 35dB, adjustable range Call Signaling:

Send: 20kHz ±100 Hz, 0.5VRMS ±10%

Receive: 20kHz ±800 Hz, 100mVRMS

Mic-Kill Frequency:

Send: 24kHz ±300Hz, 0.5VRMS ±10%

Detect: 24kHz ±800Hz, 100mVRMS

Noise Contribution:

Less than -70dB

Common Mode Rejection Ratio:

Greater than 50dB

Connector Type: One (1) XLR-3M and XLR-3F pair, wired in parallel, for each channel (permits “loop-thru” connection). Two (2) XLR-6M (Neutrik) connectors for 2-channel 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 XLR-6 Balanced Configuration Pinouts

Pin 1 Audio and DC Common

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

Pin 3 Intercom channel 1 audio low and +24VDC phantom power Pin 4 Intercom channel 1 audio high and +24VDC phantom power Pin 5 Intercom channel 2 audio low and +24VDC phantom power Pin 6 Intercom channel 2 audio high and +24VDC phantom power

Intercom Channel, Unbalanced Mode (Both Back Panel and Internal Switches (BAL / UNBAL) have to be set to the same setting).

Output Level:

1VRMS ±10%

Input Impedance:

150Ohm Bridging Impedance:

Greater than 10,000 Ohm

Call Signaling:

Send: 11 ±3VDC

Receive: 4VDC minimum

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