Synway TEJ100P, Руководство по оборудованию

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Synway Information Engineering Co., Ltd
Appendix A Technical Specifications
Dimensions (excluding L-bracket) Audio Specifications
Mainboard: 218.6×174.5mm
2
CODEC: CCITT A/µ-Law 64kbps,
Full-length outlet board: 180×115.1mm
2
Distortion: ≤ 3%
Half-length outlet board: 90×115.1mm
2
Frequency response: 300-3400Hz (±3dB)
Weight
Signal-to-noise ratio: ≥ 38dB
Main board: ≈ 250g Echo suppression: ≥ 40dB
Full-length outlet board: ≈ 175g
Maximum System Capacity
Half-length outlet board: ≈ 75g Depends on the system consumption of
Asterisk and the processing capability of
computer.
Environment
Operating temperature: 0 ℃ —55 ℃
Power Requirements
Storage temperature: -20 ℃ —85 ℃
Maximum power consumption: ≤ 10W
Humidity: 8%—90% non-condensing
Audio Encoding & Decoding
Storage humidity: 8%—90% non-condensing
A-Law 64kbps
Input/output Interface
µ-Law 64kbps
E1 physical ports: Compliant with G.703,
including 75 Ω unbalanced
interface and 120 Ω balanced
interface
Sampling Rate
8kHz
Safety
T1 /J1 physical ports ： DSX-1 and CSU line
build-outs available for different
extents of signal losses,
including 100 Ω and 110 Ω
balanced interfaces
Lightning Resistance: Level 4
Special-for-Switch TEJ Digital Trunk Interface Boards Hardware Manual
(Ver 1.0) Page 16