Synway TEJ-1A/PCI, Руководство по оборудованию, Страница: 13 / 14

Synway Information Engineering Co., Ltd
Appendix A Technical Specifications
Dimensions
160×107mm
2
(excluding L-bracket)
Weight
≈ 100g
Environment
Operating temperature: 0 ℃ —55 ℃
Storage temperature: -20 ℃ —75 ℃
Humidity: 10%—90% non-condensing
Storage humidity: 10%—90%
non-condensing
Input/output Interface
Digital trunk interface:
TEJ-1A/PCI: 1 RJ48C jack
TEJ-2A/PCI: 2 RJ48C jacks
TEJ-4A/PCI: 4 RJ48C jacks
E1 interface: Compliant with G.703,
including 75 Ω unbalanced
interface and 120 Ω balanced
interface
T1/J1 interface: DSX-1 and CSU line
build-outs available for
different extents of signal
losses, including 100
Ω and
110 Ω balanced interfaces
Audio Specifications
CODEC: CCITT A/µ-Law 64kbps
Distortion: ≤ 3%
Frequency response: 300-3400Hz (±3dB)
Signal-to-noise ratio: ≥ 38dB
Echo suppression: ≥ 40dB
Maximum System Capacity
Depends on the system consumption of
Asterisk and the processing capability of
computer.
Power Requirements
+3.3V DC: 1000mA
Maximum power consumption: ≤ 5W
Audio Encoding & Decoding
A-Law 64kbps
μ -Law 64kbps
Sampling Rate
8kHz
Safety
Lightning resistance: Level 4
Synway TEJ Series Hardware Manual （ Version 1.0 ） Page 9