RTS RM325/A5F

2-Channel Headset User Station with A5F Connector

OUR PART #:  RM325/A5F Write the First Review.

Our Price: $628.00
  • Talk Features: There is a separate talk button with talk-on indicator for each channel. Talk buttons feature dual-action, momentary/latching talk operation: a button may be pressed and held to talk, then released when finished, or the button may be tapped once to turn talk on and then tapped again to turn talk off. Latching operation may be independently deactivated for each channel via an internal DIP switch. The channel 1 and 2 talk buttons may also be independently disabled via internal DIP switches. Additionally, there is a an external talk switch input (for footswitch etc.) for each channel via the Aux connector.
  • Listen Features and Headsets: There is a separate listen volume control for each channel, and a listen volume control for the program input. The RM- 325 accepts a stereo, dynamic-mic headset or a monaural, carbon-mic headset. Default operation is set for stereo listen, with channel 1 assigned to left headphone, channel 2 to right headphone, and program input to both headphones. Internal jumpers permit all signals to be combined for monaural listening. Internal jumpers also permit the program audio to be assigned left or right when using a stereo headset.
  • Microphone and Microphone Switch Features: The Dynamic-mic headset connector features a balanced, dynamic mic input, and a mic on/off switch input. A remote mic on/off switch may also be connected via the Aux connector. There is an internal mic-sensing circuit for the carbon-mic headset jack, which activates the mic circuit when the carbon mic is on. An internal jumper can configure the carbon mic input exclusively for use as a mic on/off switch input (monaural headphone output is supported in either case). The microphone audio is available as an unswitched (hot, or always on) unbalanced output at the Aux connector.
  • Talk-off (Mic Kill) Signaling: The RM-325 can send and receive Talk-off signals. Talk-off send and receive can be independently enabled/disabled via internal DIP switches.
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RTS' RM-325 is a two-channel intercom user station for the RTS-TW Intercom System. It is designed for use with a headset, and it can be placed on a desktop, or rackmounted with optional rackmount hardware.

Features:

  • Talk Features: There is a separate talk button with talk-on indicator for each channel. Talk buttons feature dual-action, momentary/latching talk operation: a button may be pressed and held to talk, then released when finished, or the button may be tapped once to turn talk on and then tapped again to turn talk off. Latching operation may be independently deactivated for each channel via an internal DIP switch. The channel 1 and 2 talk buttons may also be independently disabled via internal DIP switches. Additionally, there is a an external talk switch input (for footswitch etc.) for each channel via the Aux connector.
  • Listen Features and Headsets: There is a separate listen volume control for each channel, and a listen volume control for the program input. The RM- 325 accepts a stereo, dynamic-mic headset or a monaural, carbon-mic headset. Default operation is set for stereo listen, with channel 1 assigned to left headphone, channel 2 to right headphone, and program input to both headphones. Internal jumpers permit all signals to be combined for monaural listening. Internal jumpers also permit the program audio to be assigned left or right when using a stereo headset.
  • Microphone and Microphone Switch Features: The Dynamic-mic headset connector features a balanced, dynamic mic input, and a mic on/off switch input. A remote mic on/off switch may also be connected via the Aux connector. There is an internal mic-sensing circuit for the carbon-mic headset jack, which activates the mic circuit when the carbon mic is on. An internal jumper can configure the carbon mic input exclusively for use as a mic on/off switch input (monaural headphone output is supported in either case). The microphone audio is available as an unswitched (hot, or always on) unbalanced output at the Aux connector.
  • Talk-off (Mic Kill) Signaling: The RM-325 can send and receive Talk-off signals. Talk-off send and receive can be independently enabled/disabled via internal DIP switches.
  • Call Signaling: There is a call button and indicator, and the RM-325 can send and receive call signals. There is also an internal setup switch to disable call send.
  • Program Input: Balanced program audio may be input via the ¼-inch stereo phone jack (PGM) or via the AUX connector.
  • Line/Local Power Options: By default, the RM-325 receives operating power from intercom channel 1. Alternatively it may be configured to receive power from channel 2 or from a local, 24 VDC power source connected to the AUX connector.
  • Sidetone: There is a separate sidetone control for each intercom channel. These adjust the level of the station operator’s own voice in the headphones when talking.

Specifications:

  • Power Requirements, Channel Powered RM-325: 30 VDC nominal (standard TW line), 45 to 75 mA
  • Power Requirements, Locally Powered RM-325: 24 VDC nominal, 45 to 75 mA
  • Environmental Requirements:
    • Storage: -40°C to 125°C; 0% to 95% humidity, non-condensing
    • Operating: 0°C to 50°C; 0% to 95% humidity, non-condensing
  • Dimensions: 1.72" (44 mm) high, 8.2" (208 mm) wide, 8' (203 mm) deep
  • Weight: 2 lbs 12 oz (1.23 kg)
  • Noise Contribution: Less than -75 dB on the line
  • Common Mode Rejection Ratio: Greater than 40 dB from the line
  • Program Input:
    • Maximum Input Level: 20 dBu
    • Nominal Input Level: -10 to +8 dBu
    • Frequency Response: 100 Hz to 12 kHz ±3 dB
  • Headphone Amplifier:
    • Voltage Gain: 30 ±3 dB from the line
    • Maximum Output: 150 mW into 50W
    • Frequency Response: 100 Hz to 8 kHz ±3 dB nominal
    • Output Voltage Level: 8 volts peak-to-peak
    • Headphone Impedance: 50 to 600W
  • Sidetone: 20 dB minimum range, adjustable
  • Microphone Preamplifier: Maximum Voltage Gain: 54 dB
  • Frequency Response: 100 Hz to 8 kHz, nominal
  • Input Impedance: 1,000W, balanced
  • Limiter Range: 30 dB
  • Total Harmonic Distortion: Less than 0.2% nominal at Channel output
  • Auxiliary Connector
    • Type: DB-15F
    • Pin 1: Program input low
    • Pin 2: Program input high
    • Pin 3: Unswitched mic output high
    • Pin 4: Foot switch in, channel 1
    • Pin 5: Foot switch in, channel 2
    • Pin 6: Local power (+24 VDC)
    • Pin 7: Remote mic switch in
    • Pin 8: Not Used
    • Pin 9: Common
    • Pin 10: Common
    • Pin 11: Common
    • Pin 12: Foot switch channel 1 common
    • Pin 13: Foot switch channel 2 common
    • Pin 14: Local power common
    • Pin 15: Remote mic switch common
  • CARB MIC Headset Connector:
    • Type: 1/4", 3-Conductor Phone Jack
    • Tip: Microphone input high (or mic switch contact
    • Ring: Headphone high
    • Sleeve: Common
  • DYN-MIC Headset Connector:
    • Type: XLR-6F 6-Pin Female Audio Connector
    • Pin 1: Headset dynamic microphone low
    • Pin 2: Headset dynamic microphone high
    • Pin 3: Headphone and mic switch common
    • Pin 4: Headphone left high
    • Pin 5: Headphone right high
    • Pin 6: Remote microphone switch contact
  • Intercom Line Input Connector:
    • Type: XLR-3F 3-Pin Female Audio Connector
    • Pin 1: Common
    • Pin 2: Intercom channel 1 audio and power
    • Pin 3: Intercom channel 2 audio
  • Intercom Line Loop Connector:
    • Type: XLR-3M 3-Pin Male Audio Connector
    • Pin 1: Common
    • Pin 2: Intercom channel 1 audio and power
    • Pin 3: Intercom channel 2 audio
  • Program Input Connector:
    • Type: 1/4", 3-Conductor Phone Jack
    • Tip: Program input high
    • Ring: Program input low
    • Sleeve: Common
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