SEL DTR - 4 - audio&call logging board

SEL DTR - 4 - audio&call logging board



 4-channel logging board for recording from analogue linear inputs or telephone lines for installation into PCI slot of computer. Up to 6 boards can be installed on a normal PC.

4 telephone lines and 4 microphones can be connected to the board in the same time. The selection of the required signal source is made via software. 

Distinctive features:

    • active and passive automatic number identification; 
    • complete electric isolation of the inputs;
    • parallel connection to lines;
    • possibility to connect two-wire microphones with phantom power supply from a board;
    • continuous adjustment of sensitivity for each channel;
    • possibility to combine two mono signals into a stereo signal;
    • soft&hardware MPEG-3 compression;
    • 4 additional alarm inputs for external triggers;
    • automatic analysis of telephone lines and signal levels;
    • autodiagnostics and functional self-test of the board;
    • soft&hardware forming of ANI request signal;
    • automatic detection of the ring signal;
  • autimatic detection and decoding of facsimile messages (when SEL FAX software module is installed).
Number of channels 4 mono (can be combined in 2 stereo)
Type of channels analogue telephone, differential, linear
Sampling rate 8, 16, 32 kHz, 16 bit sampling
Voice compression MPEG-3
Recording density per channel  
- without compression (at 8 kHz 16 bit) 57.6 MB per hour
- MPEG-3 up to 8.2 MB per hour
Input connector RJ45
Operation system Windows 2000/XP/Vista
RAM 256 MB for Windows2000/XP, 512 MB for Windows Vista
PCI bus PCI 32 bit, 33 MHz
Dimensions 20 x 105 (125) x 162 mm

Delivery set: 

  • SEL DTR - 4 board, 
  • Software, 
  • User manual.


Other Items of Interes: Плата записи c аналоговых телефонных линий SEL DTR-6

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