Telex MS2002 manual Output Level 1 Vrms nominal Input Impedance 300 ohms

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 ohms

Bridging Impedance: greater than 10,000 ohms

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

Send: 20 kHz ±100 Hz, 0.5 Vrms ±10%

eceive: 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). Two 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 150 mA)

Pin 3: Intercom channel 1 audio low and +24 VDC phantom power

Pin 4: Intercom channel 1 audio high and +24 VDC phantom power

Pin 5: Intercom channel 2 audio low and +24 VDC phantom power

Pin 6: Intercom channel 2 audio high and +24 VDC phantom power

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 ohms

Bridging Impedance: greater than 10,000 ohms 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:

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