Multiplexer - Voice Transcoder E1-XLC
The E1-XLC device has two E1 ports (link 0 and link 1) and a digital port (serial or Ethernet). E1 stream from link 1, containing 64 kbit/s PCM coded voice timeslots, is encoded to 16, 24, 32, or 40 kbit/s ADPCM data of link 0. The rest of band is used for transmission of data from digital port. E1-XLC device is transparent to signaling. The ADPCM coding type is selectable from 14 possible variants.
The digital port can be equipped with V.35, RS-530, RS-232 or X.21 interface with the standard connectors, or multi-standard digital interface. The multi-standard interface is switchable by adapter cable to RS-232, RS-530, RS-449 or V.35 standards.
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