Telex RTS IFB-1000 - Single-Channel Listen-Only Intercom Beltpack

Telex RTS IFB-1000 - Single-Channel Listen-Only Intercom Beltpack

Portable, single-channel, listen-only belt pack. It has a high-quality audio receiving circuit, and it comes in a rugged, low-profile metal case with a sturdy belt clip. The belt pack also features a recessed volume control, power-on indicator, one 3-pin XLR connector for party-line connection, and a ¼" phone jack for earphone or earset. It uses the same cables and wall plates as the BP-1002 and is powered from the party line

Features

• Volume Control –Use this control to adjust the
  headphone/earset listen level.
• On Indicator–This LED glows green when the belt pack
  is connected to an intercom channel that is functioning.
• Headphone/Earset Connector–This connector accepts
  a wide-response earset, such as the RTS EMV-2, with a
  ¼” monaural phone plug.
• Intercom Channel Connectors –The IFB-1000 intercom
  channel is connected via a 3-pin female connector. The
  IFB-1000 is powered from the intercom system power
  supply and will turn on with the intercom system.

General
Channel Supplied Power Requirements: +24 VDC nominal (standard Audiocom line), 50 to 80 mA
Environmental Requirements: Storage: -20°C to 80°C; 0% to 95% humidity, non-condensing
Operating: 0°C to 50°C; 0% to 95 % humidity, non-condensing
Dimensions: 3.25” (82.6 mm) high, 3.5” (88.9 mm) wide, 1.8” (45.7 mm) deep
Weight: 1.0 pounds (0.45 kg)
Interface Requirements
Earset: 150 to 600 Ω headphones
Balanced Intercom Channel Level & Impedance: 1 Vrms nominal; 300 Ω ±5%
Noise Contribution: < -60 dB on the line
Headphone Amplifier
Voltage Gain: 27 ±3 dB from the line
Maximum Output: 60 mW into 150 Ω
Frequency Response: 200 Hz to 8 kHz +1/-3 dB
Connector Pin Configurations
Headphone Connector: Type: ¼” Monaural Plug
Sleeve: Headset audio low
Tip: Headset audio high