LS-E1-USB 30-channels E1 Digital Trunk logging board TECHNICAL SPECIFICATION: • Number of ports:30 • Max Boards/System:3 • Digital signal processors: Two Motorola DSP563xx @100MHz, one with 384 Kbytes private, 0 wait state SRAM HOST ITERFACE:  • Bus Type: USB.1 • Bus speed:10Mb/s • Shared memory: None • I/O ports: None • Hot Plug & Play   POWER REQUIREMENTS: • +5V DC 1.0 A max • operating temperature: 0C to +50C • storage temperature:-20C to +70C • Humidity:8% to 80% non-condensing TONE DTECTION: • DTMF Digits: 0 to 9, #, A,B,C,D per Bell core LSSGR Sec-6 Dynamic range -36dbm to +3dbm per tone • Dynamic range -36 dBm to +3 dBm per tone • Minimum tone duration : 40ms , can be increased with software configuration • Interdigit timing Detects: like digits with a> 40ms inter digit delay

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