Synway Information Engineering Co., Ltd
SMG Series Analog Gateway User Manual (Version 1.5.3)
Page 93
Appendix A Technical Specifications
Dimensions
440×44×267 mm
3
Weight
About 4 kg
Environment
Operating temperature: 0
℃
—45
℃
Storage temperature: -20
℃
—85
℃
Humidity: 8%— 90% non-condensing
Storage humidity: 8%— 90% non-condensing
LAN
Amount: 2 (10/100 BASE-TX (RJ-45))
Self-adaptive bandwidth supported
Auto MDI/MDIX supported
FXS/FXO Port
Amount: 8/16/32
Type: RJ11, RJ21, RJ45
Maximum transmission distance: 1500m
Impedance
Input impedance:
≥
1M
Ω
/500V DC;
≥
10k
Ω
/1000V AC
Insulation resistance of telephone line from PC:
≥
2M
Ω
/500V DC
Telephone line impedance: Compliant with the
national standard impedance for three-component
network
Console Port
Amount: 1 (RS-232)
Baud rate: 115200bps
Connector: RJ45 to DB-9 Connector
Data bits: 8 bits
Stop bit: 1 bit
Parity unsupported
Flow control unsupported
Note: Follow the above settings to configure the serial
port; or it may work abnormally.
Power Requirements
Input power: 100~240V AC
Maximum power consumption
:
≤
50W
Signaling & Protocol
SIP signaling
Supported protocol: SIP V1.0/2.0, RFC3261
Audio Encoding & Decoding
G.711A 64
kbps
G.711U 64
kbps
G.729A/B 8
kbps
G723 5.3/6.3
kbps
G722 64
kbps
AMR 4.75/5.15/5.90/6.70/7.40/7.9
5/10.20/12.20 kbps
iLBC 13.3/15.2
kbps
Sampling Rate
8kHz