Synway SHD-120E-CT/PCI, Руководство по оборудованию

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Appendix A Technical Specifications
Dimensions (excluding L-bracket)
Mainboard: 218.6×174.5mm
2
Full-length outlet board: 180×115.1mm
2
Half-length outlet board: 90×115.1mm
2
Weight
Main board: ≈ 250g
Full-length outlet board: ≈ 175g
Half-length outlet board: ≈ 75g
Environment
Operating temperature: 0 ℃ —55 ℃
Storage temperature: -20 ℃ —85 ℃
Humidity: 8%—90% non-condensing
Storage humidity: 8%—90% non-condensing
Input/output Interface
E1 physical ports: Compliant with G.703,
including 75 Ω unbalanced
interface and 120 Ω balanced
interface
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
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
Up to 8 digital trunk boards concurrently per
system; up to 240 channels per board
Echo Cancellation
SHD-30E/60E-CT/PCI/EC(SSW): 64ms
SHD-30E/60E-CT/PCI/FAX(SSW): 64ms
SHD-120E/240E-CT/PCI/EC(SSW): 64ms
SHD-120E-CT/PCI/FAX(SSW): 64ms
Power Requirements
Maximum power consumption: ≤ 10W
Signaling
SS1: compliant with DL and MFC
standards stipulated in GF002-9002;
supports D4 and ESF framing
SS7: compliant with Q771-Q795
DSS1: compliant with Q.933
Audio Encoding & Decoding
16Bit PCM 128kbps
8Bit PCM 64kbps
A-Law 64kbps
µ-Law 64kbps
IMA ADPCM 32kbps
GSM 13.6kbps
MP3 8kbps
Safety
Lightning Resistance: Level 4
Synway SSW Series E-type Digital Trunk Boards Hardware Manual
(Version 1.1) Page 19