Voice Adapters


Applications for the AVA-01

Utility substations
Office to home analog extensions
Audio over data links for remote voice logging
Two-way radio audio over slow speed data links or IP
Gas and oil production, pipelines
Replacement of analog multi-drop private circuits with IP based networks
Phone extensions over wireless links
“Hoot ‘n Holler” remote public address/ intercom systems using data connections

Analog voice over serial

  • Voice over Ethernet using the -E Ethernet model
  • Network port may be synchronous or asynchronous
  • RS232 serial network
  • User serial port plus voice
  • Simple, low cost analog phone device
  • FXS/FXO, 4-wire E&M or Push-to-Talk interface
  • Very high quality low bit rate voice
  • ADPCM or PCM for highest quality voice rates
  • One to one or one to many configuration
  • Industrial temperature -40 to +70 C
  • DC power options: 12, 24, 48 VDC
  • USB serial port or RS232 port for configuration
  • Easy to setup and maintain

DV-1D 56/64K DSU, one data, one voice

AVA-1 Analog Voice Adapter

AVA-1-E Analog Voice Adapter with Ethernet WAN port