Countersurveillance technologies
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SEL DSR NET - 6 - external IP device for logging from digital PBX lines

External IP network device is designed to capture information from 6 digital PBX lines and transmit it over TCP/IP for recording to a remote computer where SELENA software is installed.

Distinctive features:
- complete analysis and decoding of D-channel;
- parallel connection to lines;
- optical isolation from lines
- capability to support MS SQL databases;
- channels setup indication.

Delivery set:
  • SEL DSR NET - 6 device,
  • Software,
  • User manual.
Number of channels 6 two-wire digital PBX lines
Type of channels digital PBX lines
Signal sources Avaya Definity, Ericsson MD 110, LG LDK, NEC 2000, MERIDIAN 21.11, Siemens Hicom (Optiset-E Standart and Comfort), etc.
Maximum number of devices per 1 system unit 10
Channel synchronization set-up manual
D-channel decoder software
Telephone interface:
Interface type two-wire channel
Connection to lines in parallel
Connection type optical isolation for data pickup, transformer galvanic decoupling for power supply of signal amplifier
Galvanic isolation of input interfaces not less than 1000 V
DC input impendance 1 MOhm
Input connector RJ45
Sound processing:
AGC type software
Sound without compression WAV
Voice compression MPEG-3
Recording density per channel:
- without compression (at 8 kHz 16 bit) 57.6 MB/hour
- MPEG-3 up to 8.2 MB/hour
Operating conditions:
Power supply 220 V
Operating temperature from 0 ° C to +50 °C
Relative humidity 8 to 80 %
System requirements:
Operation system Windows 2000/XP/Vista/7/8
SELENA software size (32-bit) not more than 20 MB
RAM 512 MB for Windows2000/XP, 2 GB for Windows Vista/7/8
LAN TCP/IP Ethernet 100/1000 Mbps
Dimensions 40 x 135 x 190 mm
Weight 500 g