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Technic parameter
Dismensions: 29.5cm*18cm*7.5cm |
Board size: 18cm*11.2cm |
Channels: 30channels |
Module compression : 250v |
Single maximum capacity: 8 pcs (32 channels) |
Temperature ::5℃-40℃ |
Humidity : 5%-85% |
Requency : 300-3400HZ(±3dB) |
Clock and data recovery: accord CCITT,Rec.G.823-1988 |
Ddta rate : 64KBPS,32KBPS,16KBPS |
Interface: RJ11 |
Calling number: FSK,DTMF |
Call Monitoring: signal sound,voice,polarity reversal |
DTMF NO.: 0~9\*\#\A\B\C\D |
Switching capacity: 256channels direct |
Weight : about 510g |
Board weight: about 300g |
Multiple compression: 2/5comperession |
Tc-pam : HDB3/AMI |
Consume power maximum: ≤15W |
SNR(signal to noise ratio) : ≥30dB |
Storage Temperature: :-20℃ — 70℃ |
Input Impedance: 600Ω |
Structure: CCITT G.704-1988 |
Storage : 32K~256K Byte |
Recording the extent of distortion:≤2% |
FSK Modulation: 2200Hz±1% ,1200Hz±1% |
Ddta send style: binary |
Voice document: WAV,VC2,VC5.AGC functions |
Shaking limit: Complied to CCITT Rec.G.823,G.737,G.739,G.742-1988 |
Phone Status Judge Voltage: 70-100V(Ring), 20-48V(Idle) , 5-17V(Hang up), 3.2V(Power off) |
PC Requirement
Operation System:WIN98/xp/2000/2003 |
CPU : PIII900 above |
Memory :256M above |
Monitor: VGA resolution recommended 1024*768 |
Main Functions
30 channels telephone voice recording card/system |
Recording telehone conversations for all the times |
playback through PC Speakers |
able to convert to standard wave or MP3 file Format |
control by PC interface |
query by date, time file size comments. |
user definable right for administraion purpose |
Real time Monitoring phone conversation |
Record all incoming and outgoing telephone number |
support incoming phone number display if appropriate |
filtering some specify phone call for recording option |
automatic gain control of record and play to ensure the volume |
balance of two speakers. |
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