Telex US2002 manual General, Dynamic-mic Headset, Panel Microphone or Electret-mic Headset

Specifications

General

Power Requirements:

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

Local Power: 12 to 15 VDC, 65 to 150 mA

Dimensions: 1.75" (44.5 mm) high x 8.25" (209.5 mm) wide x 10.31" (261.9 mm) deep

Weight: approximately 2lb (0.9 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 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 or Electret-mic Headset

Microphone: 5k ohm, electret (-57 dB)

Headphones: 150 to 600 ohm, monaural

Connector Type: IKP12 (MCP-90 series, stereo plug connector)

Program Input

Input Level: 100mV maximum

Voltage Gain: 25 ±3 dB

Output Level :1.0 Vrms nominal, 2.3 Vrms maximum

Input Impedance: 75k ohm

Common Mode Rejection: Greater than 50 dB

Connector Type: DB9F

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 User Station US2002 - 34