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Eddystone E2075

Broadcast Audio Fail & Changeover Unit

SKU: 119801 Brand: Eddystone Broadcast

The Eddystone E2075 Broadcast Audio Fail & Changeover Unit provides seamless automatic and manual transmitter or drive changeover capabilities with both local and remote control. Here’s a detailed overview of its features and specifications:

Features:

  1. Versatile Changeover Functionality: Capable of automatic and manual operation, with controls for both local and remote control. Internal changeover relays can handle a maximum power of 200W at 100MHz.
  2. On/Off (Mute) Outputs and Status Monitoring: Equipped with on/off (mute) outputs and status monitoring inputs for connection to two transmitters/drives and two receivers (in re-broadcast systems), enabling effective control.
  3. Wide Range of Transmitter Configurations: Supports various transmitter configurations, including Tx1 or Tx2 to Antenna or Load, Tx1 or Tx2 to Antenna system only, and Tx1 + Tx2 to Antenna systems or Load.
  4. Internal Option Switches: Allows for selection of digital or analogue status monitoring, adjustment of the “good” status level, polarity settings for input status and output controls, and customization of associated delays.
  5. Automatic Failover: Utilizes micro-controller based software control with up-datable ‘flash’ memory. In case of a software fault, comprehensive hardware/software ‘watchdogs’ illuminate a front panel CPU ALARM LED and switch off other LED indications to prevent erroneous readings.

Specifications:

  • RF Interface Ports: 50Ω nominal with four TNC Connectors for Tx1, Tx2, Antenna (output), and dummy load.
  • Power Level: 200W maximum up to 100MHz, de-rating to 100W maximum at 500MHz, using internal relays. External relays/switches can be fitted to meet system requirements.
  • Controls: Eight tactile momentary switches for selecting Operational Mode, Tx1/2 On/Off, and Tx1/2 to Antenna or Load.
  • Remote Control and Monitoring: Rear panel 25-way D socket for parallel control and monitoring of major functions and status.
  • Transmitter and Receiver Control and Monitoring: Connections provided for mute line and status line from each transmitter/receiver, with internally adjustable polarities.
  • External Switch/Relay Control and Monitoring: Parallel control and monitoring connections for external switches or relays.
  • Power Supply (AC): 85-264V AC (universal input, switched mode, power supply).
  • Ambient Temperature (Operating): 0°C to +45°C.
  • Relative Humidity (Operating): ≤90% RH, non-condensing.
  • Altitude (Operating): Up to 3000m a.s.l.
  • Dimensions: 1U with 280mm intrusion into rack (including connectors).
  • Weight: Approx. 3.5kg.
  • Warranty: Limited 5 Years.

This unit provides reliable and flexible failover capabilities for broadcast systems, ensuring continuous operation and seamless transitions in case of equipment failure or maintenance.