Countersurveillance technologies
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SEL DSR NET - 1E - external IP device for logging from E1 digital trunks

External IP network device is designed to capture information from one ?1 line (30 channels) and transmit it over TCP/IP for recording to a remote computer where SELENA software is installed.

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 (external power supply is needed);
- complete optical isolation from lines;
- complete analysis and decoding of D-channel
- 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.

Delivery set:

  • SEL DSR NET- 1E device,
  • Software,
  • User manual.
Signal source E1 trunk
Number of E1 trunks (G.703) 1
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
LAN TCP/IP Ethernet 100/1000 Mbps
Power supply 220 V
Dimensions 40 x 135 x 190 mm
Weight 480 g