Countersurveillance technologies
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SEL DSR - 3E multi-channel board for call logging from E1 trunks

The logging board provides recording of 3 ?1 line (90 channels) via PCI slot of PC. Up to 3 boards can be installed on a normal PC.

Distinctive features:
- parallel connection to lines;
- possibility to use a separate matching unit SEL COUPLER for connection to lines at a distance of up to 300 m;
- complete electric isolation from lines;
- complete analysis and decoding of D-channel
- autodiagnostics and functional check of a board;
- possibility to connect SMDR (STATION MESSAGE DETAIL RECORDING SYSTEM) port of P.B.X.;
- capability to support MS SQL databases;
- possibility to log fax messeges when SEL FAX software module is installed.
- full analysis and decoding of D-channel.

Delivery set:

  • SEL DSR - 3E board,
  • Software,
  • User manual.
Signal source E1 trunk
Number of E1 trunks (G.703) 3
Input signal G.703, 2.048 MHz (ISDN PRI)
Input connector RJ45
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
Operation system Windows 2000/XP/Vista/7/8
SELENA software size (32-bit) not more than 20 MB
PCI bus PCI 32 bit, 33 MHz
Dimensions 20 x 87 x 145 mm