CLEARCOM RS-703

Descriptions détaillées

• 2-Channel Beltpack with XLR-3 Connector
• Visual LED indicators on top of keypad
• Tactile buttons for Call and Talk
• Recessed rotary controls for Volume with end stops
• Concealed, programmable DIP switches
• XLR-3 line connectors with 2-channel connectivity
• 3.5mm Program Audio Input jack
• RTS-TW compatible
• Fully compatible with current and previous Clear-Com analog partyline systems
• Low operating current for more beltpack daisy-chaining
• Rugged and strong construction
• “Clear-Com Sound” for intelligible audio

Technical Specifications
dBu is an absolute measurement. 0 dBu is referenced to 0.775 volts RMS

• Microphone Pre-Amplifier
  • Mic to Line (without limiter acting)
  • Frequency Response: 280 – 15kHz ± 3dB
  • Microphone output to line – Audio Level (-50dBm Electret input): -9dBm
  • Microphone output to line – Distortion: <0.1%
  • Microphone output to line – Signal to Noise: >65dB
  • Clear-Com Sound: Yes
• Headphone Amplifier
  • Frequency Response – Line to Headphone: 150 – 20k Hz ± 3dB
  • Headphone input from line – Audio Level (-9dBm Electret input): 7dBm
  • Headphone input from line – Distortion: <0.5%
  • Headphone input from line – Signal to Noise: >50dB
  • Earphone to Mic – Crosstalk: >80dB
  • Sidetone – Adjustment Range (-80db mic input): >45dB
• Keypad Indicators
  • Power: Green LED
  • Talk A and B: Green LED
  • Call A and B: Orange LED
• Connectors
  • Intercom Line: (2) 3-pin XLR–M–F
  • Ch. 1 2-Wire
• Intercom Channel
  • Pin 1: Common
  • Pin 2: PL Power (+28VDC)/PL
  • Ch-A
  • Pin 3: PL Ch-B
  • Headset: 4-pin XLR–M
• Headset Connector
  • Pin 1: Mic – (Mic Common)
  • Pin 2: Mic +
  • Pin 3: Spkr-
  • Pin 4: Spkr+ (and 0.5*VCC DC, supply between Pin 4 and Pin 1)
  • Program Audio Input: 3.5mm TRS jack
• Power
  • Input Voltage Range: 12-30 VDC
  • Input Current (Idle): <=25mA
  • Input Current (Max): <=40mA
• Call Voltage
  • 16.5 VDC
  • Minimum Voltage Needed: 3.3V
• Environmental
  • 32?F – 158?F (0?C – 70?C)