Appendix A Technical Specifications
Dimensions
440×44×200 mm
3
Weight
2.7 kg (Excluding hard disk and accessories)
Environment
Operating temperature: 0
℃
—40
℃
Storage temperature: -20
℃
—85
℃
Humidity: 8%— 90% non-condensing
Storage humidity: 8%— 90% non-condensing
Input/output Interface
Telephone line jack: 8/16/24 2-pin RJ11 jacks
Audio Specifications
Codec: CCITT A/
μ
-Law 64kbps
IMA ADPCM 32kbps
Distortion:
≤
2%
Frequency response: 300-3400Hz(±3dB)
Signal-to-noise ratio:
≥
38dB
Maximum System Capacity
Up to 24 channels
Power Requirements
+19V DC
:
1A
Maximum power consumption:
≤
19W
Impedance
Input impedance:
≥
1M
Ω
/500V DC;
≥
8k
Ω
/1000V AC
Insulation resistance of telephone line from PC:
≥
2M
Ω
/500V DC
Telephone line impedance: Compliant with the
national standard impedance for three-component
network
Audio Encoding & Decoding
A-Law 64kbps
μ
-Law 64kbps
ADPCM 32kbps
G.729A
8kbps
Sampling Rate
8kHz
Safety
Lightning resistance: Level 4
ATP2410 User Manual (Version 4.0.0.0)
Page 54