Synway FXM-16A/PCIe, Руководство по оборудованию

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Appendix B Technical Specifications of FXM-16A/PCIe
Up to 10 boards concurrently per system;
up to 16 channels per board
Dimensions
280×111mm
2
(excluding L-bracket)
Power Requirements
Weight
+3.3V DC: 3A
≈ 200g (Excluding modules and external
power supply) +12V DC: 0.5A
Maximum power consumption: ≤ 12W (PC
power only)
Environment
Operating temperature: 0 ℃ —55 ℃
Impedance
Storage temperature: -20 ℃ —85 ℃
Input impedance: ≥ 1M Ω /500V DC;
≥ 10k Ω /1000Hz AC
Humidity: 8%—90% non-condensing
Storage humidity: 8%—90%
non-condensing
Insulation resistance for PC isolation from
telephone line:
≥ 2M Ω /500V DC
Input/output Interface
Telephone line impedance:
Telephone line jack: Four 8-pin RJ45
Compliant with the national standard
impedance for three-component network
Ringing current & battery feed power
supply jack: One 4-pin MPC-4
Audio Encoding & Decoding
Audio Specifications
A-Law 64kbps
CODEC: CCITT A/µ-Law 64kbps
μ -Law 64kbps
Distortion: ≤ 3%
Sampling Rate
Frequency response: 300-3400Hz (±3dB)
8kHz
Signal-to-noise ratio: ≥ 38dB
Safety
Echo suppression: ≥ 40dB
Lightning resistance: Level 4
Maximum System Capacity
Synway FXM series Hardware Manual （ Version 1.0 ） Page 14