Synway Information Engineering Co., Ltd
Appendix A Technical Specifications
Up to 8 boards concurrently per system;
up to 16 channels per board
Dimensions
2
270x64 mm (excluding L-bracket)
Power Requirements
Weight
Total Power Consumption includes the
electricity use of all motherboards and
daughterboards.
Motherboard: about 120g
(excluding modules)
A single motherboard
(with modules fully inserted)
Module: about 15g
Backboard:
≤
10g
+3.3V DC: 1100mA
(power consumption: 3.63W)
Environment
Operating temperature: 0
℃
—55
℃
+12V DC: 1000mA
(power consumption: 12W,
supplied by power socket, all
NT200)
Storage temperature: -20
℃
—85
℃
Humidity: 8%—90% non-condensing
+5V DC: 1000mA
Storage humidity: 8%—90%
non-condensing
(power consumption: 5W,
supplied by power socket)
Input/output Interface
A single daughterboard
(with modules fully inserted)
4 RJ45 jacks which can be converted into
8 S/T interfaces per signal motherboard or
daughterboard
+12V DC: 1000mA
(power consumption: 12W,
supplied by power socket, all
are NT200)
Interface type: S/T ITU-T I.430
Transmission code: AMI code
+5V DC: 1000mA
Terminating Resistance: 100
Ω
(optional)
(power consumption: 5W,
supplied by power socket)
Output power: 38V±2V (NT only, optional
）
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 BRI16 Full-length Board Hardware Manual (Version 1.0)
Page 14