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476-XXX - M4x Interface Modules
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476-XXX - M4x Interface Modules

The Raven M4x products offer the flexibility you need to create a solution to your application.

Mix and match any of the following modules:

476-777, 1-network port and 1 4-wire Analog interface VoIP Interface

This module has an Ethernet port/VoIP interface supporting Unicast, Multicast, ROIP & SIP and a 2 or 4-Wire Analog VF/VOX Audio interface (input can be 600 ohm or  high impedance and output is always 600 ohm). The most flexible module available.

476-150, 2-port 4-wire Analog Interface

This module has two channels in and out, can do DTMF detection, VOX detection with relay output, voice delay up to 1 second on each channel, M-lead (PTT) relay outputs and E-Lead (COR) inputs. The input and output are 600 ohm.

476-151, 2 port 4-wire Analog Interface

This module can do DTMF detection, VOX detection with relay output, voice delay up  to 1 second on each channel, M-lead (PTT) relay outputs and E-Lead (COR) inputs.  The input can be 600 ohm or high impedance, and output is always 600 ohm. This  module is designed for very low frequency signals.

476-153, 2 port 4/2-wire Analog Interface

This module is similar to a 476-151 module with a 2-wire option.  It also includes the added feature of automatic gain control. 

475-155, Conference Interface

This module is a conference bridge for large multi-blade systems that need conferencing capabilities.  This is used in our MediLink product.

476-170, Telephone Interface

Two channels for 2-wire and 4-wire telephones, restricted to two modules per single blade.

476-175, PSTN (or SNI) Interface

Two channels for connecting to 2-wire circuits with telephone battery voltage applied.

476-180, I/O Interface

This module has the capability of monitoring or control of up to 16 control points.  Each line can be programmed as either an input or an output.

If you don't see what you need, please ask us about it. However unique or complex your requirement, Raven has either already accomplished the task or will apply our flexibility and capability to do so, quickly and competitively.

Raven is an engineering factory focused on providing specialized communications. 

You might want to think about these products...
  1. M4x Blade (47800 Series)

    You might want to consider Raven’s newest product, the M4x Blade.  It can function in all the same ways as bridges, but can offer many more features and capabilities that the bridges cannot.  In addition to bridging the Blade can offer applications, such as:

    -          Voter/Comparator

    -          DTMF controlled cross patch switching matrix

    -          Radio interoperability

    -          Multi-User cross patch

    -          800 MHz re-banding

    Features include:

    -          Tone remote control

    -          SNR Voter/Comparator

    -          Wireline control (e.g. COR and PTT)

    -          VOX (Voice-activated switch)

    -          Audio delay (avoids speech clipping)

    -          Notch Filtering

    -          Conferencing

    -          Tone Detection/generation

    -          DSP Filters


     - More Product Detail

  2. M4x Mini-Blade (47800-003-X)


    The versatile and economical M4x Mini-Blade quickly connects to your laptop via USB to provide voice communication solutions. It has two ports and offers the same easy-to-use software as the eight port M4x Blade for added flexibility. In addition to functioning in all the same ways as a bridge, it provides many more features and capabilities, such as: tone remote control, 2175 notch filter, voice frequency switch.

     - More Product Detail

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