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TC8928

Analog Broadcaster/Bridge

TC8928
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Features

The TC8928 Analog Broadcaster/Bridge is designed for public safety and SCADA communications applications. It receives a single 4-wire 600 ohm analog signal and broadcasts it to up to 7 remote analog lines and can be used in conjunction with the TC3846-6 Analog IP Gateway to broadcast over Ethernet networks.

The TC8928 provides one host port, up to seven analog ports and operates in two modes:

  • In NORMAL mode, channel 1 (host port) can receive all analog signals from channels 2 to 8. The analog signal from channel 1 will be broadcast to all channels 2 to 8; however, the analog signals from channels 2 to 8 can only go to channel 1.
  • In BRIDGE mode, all of the analog signals from all channels 1 to 8 can communicate at the same time.
  • Broadcasts Up to 7 Remote Ports
  • 4-Wire Analog
  • Operates in Normal and Bridge Mode
  • 12VDC Power Supply, Optional 24VDC, -48VDC, 125VDC or 115/230VAC
  • Built-In Power Redundancy
  • Rackmount or Standalone
  • Hi Temp or Extreme Temp Options

The TC 8928 is most often used to broadcast single source radio messages to multiple remote audio devices (e.g. radio consoles, speakers & repeaters) and analog SCADA computer signals out to multiple sites or Remote Terminal Units (RTUs) with one site responding back to host

Applications

Broadcasts single source radio messages to multiple remote audio devices (e.g. radio consoles, speakers & repeaters)

Broadcasts analog SCADA computer signals out to multiple sites or Remote Terminal Units (RTUs) with one site responding back to host

Often used with TC3846-6 IP Gateway to multicast analog signals over Ethernet/IP

TC8928 - Analog Broadcaster
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Specifications

Audio Bandwidth
  1. 4-Wire Analog300 Hz to 3.4 Khz
Channel Capacity
  1. 4 or 84 (1 Host + 3 Remotes)
  2.  8 (1 Host + 7 Remotes)
Electrical
  1. ConnectorRJ11 Female
  2. Analog Interface (2 or 4 Wire)600 Ohm Isolated Transformer
System
  1. Bit Error Rate1 in 109 or Better
Visual Indicators
  1. System StatusAlarm, Power A, Power B, Vcc
  2. Channel StatusIN/OUT
Power
  1. Standard12VDC @1.2A
  2. Optional24VDC, -48VDC, 125VDC
  3.  or 115/230VAC for Rackmount unit
  4.  or 115/230VAC w/ power adapter for Wallmount unit
Temperature
  1. Operating-10°C to 50°C
  2. Hi-Temp (optional)-20°C to 70°C
  3. Extreme (optional)-40°C to 80°C
  4. Storage-40°C to 90°C
  5. Humidity95% non-condensing
Physical (4-ch Standalone)
  1. Height(3.53 cm) 1.39"
  2. Width(18.13 cm) 7.14"
  3. Depth(24.89 cm) 9.80"
  4. Weight(887 gm) 1.96 lb

Ordering

For more information

For assistance with this product or to request a user manual please contact Technical Support.